Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.sbin/ypserv/ypserv/../common/ypdb.c	Lines:	0	61	0.0 %
Date:	2017-11-07	Branches:	0	12	0.0 %


/*	$OpenBSD: ypdb.c,v 1.12 2015/01/16 06:40:22 deraadt Exp $ */

/*
 * Copyright (c) 1990, 1993
 *	The Regents of the University of California.  All rights reserved.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Margo Seltzer.
 *
 * This code is derived from ndbm module of BSD4.4 db (hash) by
 * Mats O Jansson
 *
 * 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 AUTHOR ``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 AUTHOR 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.
 */

#include <sys/types.h>
#include <stdio.h>
#include <string.h>

#include <rpcsvc/yp.h>

#include "ypdb.h"

/*
 * Returns:
 *	*DBM on success
 *	NULL on failure
 */
extern DBM *
ypdb_open(const char *file, int flags, int mode)
{
	BTREEINFO info;
	char path[PATH_MAX];
	DBM *db;

	memset(&info, 0, sizeof info);
	info.flags = 0;
	info.cachesize = 0;
	info.maxkeypage = 0;
	info.minkeypage = 0;
	info.psize = 0;
	info.compare = NULL;
	info.prefix = NULL;
	info.lorder = 0;
	snprintf(path, sizeof(path), "%s%s", file, YPDB_SUFFIX);
	db = (DBM *)dbopen(path, flags, mode, DB_BTREE, (void *)&info);
	return (db);
}

/*
 * Returns:
 *	*DBM on success
 *	NULL on failure
 */
extern DBM *
ypdb_open_suf(const char *file, int flags, int mode)
{
	BTREEINFO info;
	DBM *db;

	memset(&info, 0, sizeof info);
	info.flags = 0;
	info.cachesize = 0;
	info.maxkeypage = 0;
	info.minkeypage = 0;
	info.psize = 0;
	info.compare = NULL;
	info.prefix = NULL;
	info.lorder = 0;
	db = (DBM *)dbopen(file, flags, mode, DB_BTREE, (void *)&info);
	return (db);
}

extern void
ypdb_close(DBM *db)
{
	(void)(db->close)(db);
}

/*
 * Returns:
 *	DATUM on success
 *	NULL on failure
 */
extern datum
ypdb_fetch(DBM *db, datum key)
{
	datum retval;
	DBT nk, nd;
	int status;

	nk.data = key.dptr;
	nk.size = key.dsize;

	status = (db->get)(db, &nk, &nd, 0);
	if (status) {
		retval.dptr = NULL;
		retval.dsize = 0;
	} else {
		retval.dptr = nd.data;
		retval.dsize = nd.size;
	}
	return (retval);
}

/*
 * Returns:
 *	DATUM on success
 *	NULL on failure
 */

extern datum
ypdb_firstkey(DBM *db)
{
	int status;
	datum retkey;
	DBT nk, nd;

	status = (db->seq)(db, &nk, &nd, R_FIRST);
	if (status) {
		retkey.dptr = NULL;
		retkey.dsize = 0;
	} else {
		retkey.dptr = nk.data;
		retkey.dsize = nk.size;
	}
	return (retkey);
}

/*
 * Returns:
 *	DATUM on success
 *	NULL on failure
 */

extern datum
ypdb_nextkey(DBM *db)
{
	int status;
	datum retkey;
	DBT nk, nd;

	status = (db->seq)(db, &nk, &nd, R_NEXT);
	if (status) {
		retkey.dptr = NULL;
		retkey.dsize = 0;
	} else {
		retkey.dptr = nk.data;
		retkey.dsize = nk.size;
	}
	return (retkey);
}

/*
 * Returns:
 *	DATUM on success
 *	NULL on failure
 */

extern datum
ypdb_setkey(DBM *db, datum key)
{
	int status;
	DBT nk, nd;

	nk.data = key.dptr;
	nk.size = key.dsize;
	status = (db->seq)(db, &nk, &nd, R_CURSOR);
	if (status) {
		key.dptr = NULL;
		key.dsize = 0;
	}
	return (key);
}

/*
 * Returns:
 *	 0 on success
 *	<0 failure
 *	 1 if YPDB_INSERT and entry exists
 */
int
ypdb_store(DBM *db, datum key, datum content, int flags)
{
	DBT nk, nd;

	if (key.dsize > YPMAXRECORD || content.dsize > YPMAXRECORD)
		return -1;
	nk.data = key.dptr;
	nk.size = key.dsize;
	nd.data = content.dptr;
	nd.size = content.dsize;
	return ((db->put)(db, &nk, &nd,
	    (flags == YPDB_INSERT) ? R_NOOVERWRITE : 0));
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: ypdb.c,v 1.12 2015/01/16 06:40:22 deraadt Exp $ */
2
3			/*
4			* Copyright (c) 1990, 1993
5			* The Regents of the University of California. All rights reserved.
6			* All rights reserved.
7			*
8			* This code is derived from software contributed to Berkeley by
9			* Margo Seltzer.
10			*
11			* This code is derived from ndbm module of BSD4.4 db (hash) by
12			* Mats O Jansson
13			*
14			* Redistribution and use in source and binary forms, with or without
15			* modification, are permitted provided that the following conditions
16			* are met:
17			* 1. Redistributions of source code must retain the above copyright
18			* notice, this list of conditions and the following disclaimer.
19			* 2. Redistributions in binary form must reproduce the above copyright
20			* notice, this list of conditions and the following disclaimer in the
21			* documentation and/or other materials provided with the distribution.
22			* 3. Neither the name of the University nor the names of its contributors
23			* may be used to endorse or promote products derived from this software
24			* without specific prior written permission.
25			*
26			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
27			* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
28			* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
30			* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36			* SUCH DAMAGE.
37			*/
38
39			#include <sys/types.h>
40			#include <stdio.h>
41			#include <string.h>
42
43			#include <rpcsvc/yp.h>
44
45			#include "ypdb.h"
46
47			/*
48			* Returns:
49			* *DBM on success
50			* NULL on failure
51			*/
52			extern DBM *
53			ypdb_open(const char *file, int flags, int mode)
54			{
55			BTREEINFO info;
56			char path[PATH_MAX];
57			DBM *db;
58
59			memset(&info, 0, sizeof info);
60			info.flags = 0;
61			info.cachesize = 0;
62			info.maxkeypage = 0;
63			info.minkeypage = 0;
64			info.psize = 0;
65			info.compare = NULL;
66			info.prefix = NULL;
67			info.lorder = 0;
68			snprintf(path, sizeof(path), "%s%s", file, YPDB_SUFFIX);
69			db = (DBM )dbopen(path, flags, mode, DB_BTREE, (void )&info);
70			return (db);
71			}
72
73			/*
74			* Returns:
75			* *DBM on success
76			* NULL on failure
77			*/
78			extern DBM *
79			ypdb_open_suf(const char *file, int flags, int mode)
80			{
81			BTREEINFO info;
82			DBM *db;
83
84			memset(&info, 0, sizeof info);
85			info.flags = 0;
86			info.cachesize = 0;
87			info.maxkeypage = 0;
88			info.minkeypage = 0;
89			info.psize = 0;
90			info.compare = NULL;
91			info.prefix = NULL;
92			info.lorder = 0;
93			db = (DBM )dbopen(file, flags, mode, DB_BTREE, (void )&info);
94			return (db);
95			}
96
97			extern void
98			ypdb_close(DBM *db)
99			{
100			(void)(db->close)(db);
101			}
102
103			/*
104			* Returns:
105			* DATUM on success
106			* NULL on failure
107			*/
108			extern datum
109			ypdb_fetch(DBM *db, datum key)
110			{
111			datum retval;
112			DBT nk, nd;
113			int status;
114
115			nk.data = key.dptr;
116			nk.size = key.dsize;
117
118			status = (db->get)(db, &nk, &nd, 0);
119			if (status) {
120			retval.dptr = NULL;
121			retval.dsize = 0;
122			} else {
123			retval.dptr = nd.data;
124			retval.dsize = nd.size;
125			}
126			return (retval);
127			}
128
129			/*
130			* Returns:
131			* DATUM on success
132			* NULL on failure
133			*/
134
135			extern datum
136			ypdb_firstkey(DBM *db)
137			{
138			int status;
139			datum retkey;
140			DBT nk, nd;
141
142			status = (db->seq)(db, &nk, &nd, R_FIRST);
143			if (status) {
144			retkey.dptr = NULL;
145			retkey.dsize = 0;
146			} else {
147			retkey.dptr = nk.data;
148			retkey.dsize = nk.size;
149			}
150			return (retkey);
151			}
152
153			/*
154			* Returns:
155			* DATUM on success
156			* NULL on failure
157			*/
158
159			extern datum
160			ypdb_nextkey(DBM *db)
161			{
162			int status;
163			datum retkey;
164			DBT nk, nd;
165
166			status = (db->seq)(db, &nk, &nd, R_NEXT);
167			if (status) {
168			retkey.dptr = NULL;
169			retkey.dsize = 0;
170			} else {
171			retkey.dptr = nk.data;
172			retkey.dsize = nk.size;
173			}
174			return (retkey);
175			}
176
177			/*
178			* Returns:
179			* DATUM on success
180			* NULL on failure
181			*/
182
183			extern datum
184			ypdb_setkey(DBM *db, datum key)
185			{
186			int status;
187			DBT nk, nd;
188
189			nk.data = key.dptr;
190			nk.size = key.dsize;
191			status = (db->seq)(db, &nk, &nd, R_CURSOR);
192			if (status) {
193			key.dptr = NULL;
194			key.dsize = 0;
195			}
196			return (key);
197			}
198
199			/*
200			* Returns:
201			* 0 on success
202			* <0 failure
203			* 1 if YPDB_INSERT and entry exists
204			*/
205			int
206			ypdb_store(DBM *db, datum key, datum content, int flags)
207			{
208			DBT nk, nd;
209
210			if (key.dsize > YPMAXRECORD \|\| content.dsize > YPMAXRECORD)
211			return -1;
212			nk.data = key.dptr;
213			nk.size = key.dsize;
214			nd.data = content.dptr;
215			nd.size = content.dsize;
216			return ((db->put)(db, &nk, &nd,
217			(flags == YPDB_INSERT) ? R_NOOVERWRITE : 0));
218			}