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/*
* Copyright (c) 1995
* Bill Paul <wpaul@ctr.columbia.edu>. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul 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.
*
* $Id$
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <limits.h>
#include <unistd.h>
#include <db.h>
#include <sys/stat.h>
#include <errno.h>
#include <paths.h>
#include <rpcsvc/yp.h>
#include "ypxfr_extern.h"
#ifndef lint
static const char rcsid[] = "$Id$";
#endif
#define PERM_SECURE (S_IRUSR|S_IWUSR)
/*
* Open a DB database read/write
*/
DB *yp_open_db_rw(domain, map, flags)
const char *domain;
const char *map;
const int flags;
{
DB *dbp;
char buf[1025];
yp_errno = YP_TRUE;
if (map[0] == '.' || strchr(map, '/')) {
yp_errno = YP_BADARGS;
return (NULL);
}
#define FLAGS O_RDWR|O_EXLOCK|O_EXCL|O_CREAT
snprintf(buf, sizeof(buf), "%s/%s/%s", yp_dir, domain, map);
dbp = dbopen(buf,flags ? flags : FLAGS,PERM_SECURE,DB_HASH,&openinfo);
if (dbp == NULL) {
switch(errno) {
case ENOENT:
yp_errno = YP_NOMAP;
break;
case EFTYPE:
yp_errno = YP_BADDB;
break;
default:
yp_errno = YP_YPERR;
break;
}
}
return (dbp);
}
int yp_put_record(dbp,key,data,allow_overwrite)
DB *dbp;
DBT *key;
DBT *data;
int allow_overwrite;
{
int rval;
if ((rval = (dbp->put)(dbp,key,data, allow_overwrite ? 0 :
R_NOOVERWRITE))) {
switch(rval) {
case 1:
return(YP_FALSE);
break;
case -1:
default:
(void)(dbp->close)(dbp);
return(YP_BADDB);
break;
}
}
return(YP_TRUE);
}
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