yp_dbwrite.c revision 90298
113007Swpaul/* 213007Swpaul * Copyright (c) 1995 313007Swpaul * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 413007Swpaul * 513007Swpaul * Redistribution and use in source and binary forms, with or without 613007Swpaul * modification, are permitted provided that the following conditions 713007Swpaul * are met: 813007Swpaul * 1. Redistributions of source code must retain the above copyright 913007Swpaul * notice, this list of conditions and the following disclaimer. 1013007Swpaul * 2. Redistributions in binary form must reproduce the above copyright 1113007Swpaul * notice, this list of conditions and the following disclaimer in the 1213007Swpaul * documentation and/or other materials provided with the distribution. 1313007Swpaul * 3. All advertising materials mentioning features or use of this software 1413007Swpaul * must display the following acknowledgement: 1513007Swpaul * This product includes software developed by Bill Paul. 1613007Swpaul * 4. Neither the name of the author nor the names of any co-contributors 1713007Swpaul * may be used to endorse or promote products derived from this software 1813007Swpaul * without specific prior written permission. 1913007Swpaul * 2013007Swpaul * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 2113007Swpaul * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2213007Swpaul * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2313007Swpaul * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE 2413007Swpaul * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2513007Swpaul * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2613007Swpaul * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2713007Swpaul * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2813007Swpaul * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2913007Swpaul * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3013007Swpaul * SUCH DAMAGE. 3113007Swpaul */ 3231626Scharnier 3331626Scharnier#ifndef lint 3431626Scharnierstatic const char rcsid[] = 3550476Speter "$FreeBSD: head/libexec/ypxfr/yp_dbwrite.c 90298 2002-02-06 15:26:07Z des $"; 3631626Scharnier#endif /* not lint */ 3731626Scharnier 3831626Scharnier#include <db.h> 3931626Scharnier#include <errno.h> 4031626Scharnier#include <fcntl.h> 4131626Scharnier#include <limits.h> 4231626Scharnier#include <paths.h> 4313007Swpaul#include <stdio.h> 4413007Swpaul#include <stdlib.h> 4513007Swpaul#include <string.h> 4613007Swpaul#include <unistd.h> 4713007Swpaul#include <sys/stat.h> 4815420Swpaul#include <rpcsvc/yp.h> 4913007Swpaul#include "ypxfr_extern.h" 5013007Swpaul 5113007Swpaul#define PERM_SECURE (S_IRUSR|S_IWUSR) 5213007Swpaul 5313007Swpaul/* 5413007Swpaul * Open a DB database read/write 5513007Swpaul */ 5690298SdesDB * 5790298Sdesyp_open_db_rw(const char *domain, const char *map, const int flags) 5813007Swpaul{ 5913007Swpaul DB *dbp; 6013007Swpaul char buf[1025]; 6113007Swpaul 6213007Swpaul 6313007Swpaul yp_errno = YP_TRUE; 6413007Swpaul 6513007Swpaul if (map[0] == '.' || strchr(map, '/')) { 6613007Swpaul yp_errno = YP_BADARGS; 6713007Swpaul return (NULL); 6813007Swpaul } 6913007Swpaul 7016132Swpaul#define FLAGS O_RDWR|O_EXLOCK|O_EXCL|O_CREAT 7116132Swpaul 7213007Swpaul snprintf(buf, sizeof(buf), "%s/%s/%s", yp_dir, domain, map); 7316132Swpaul dbp = dbopen(buf,flags ? flags : FLAGS,PERM_SECURE,DB_HASH,&openinfo); 7413007Swpaul 7513007Swpaul if (dbp == NULL) { 7690297Sdes switch (errno) { 7713007Swpaul case ENOENT: 7813007Swpaul yp_errno = YP_NOMAP; 7913007Swpaul break; 8013007Swpaul case EFTYPE: 8113007Swpaul yp_errno = YP_BADDB; 8213007Swpaul break; 8313007Swpaul default: 8413007Swpaul yp_errno = YP_YPERR; 8513007Swpaul break; 8613007Swpaul } 8713007Swpaul } 8813007Swpaul 8913007Swpaul return (dbp); 9013007Swpaul} 9113007Swpaul 9290298Sdesint 9390298Sdesyp_put_record(DB *dbp, DBT *key, DBT *data, int allow_overwrite) 9413007Swpaul{ 9515420Swpaul int rval; 9613007Swpaul 9716132Swpaul if ((rval = (dbp->put)(dbp,key,data, allow_overwrite ? 0 : 9816132Swpaul R_NOOVERWRITE))) { 9990297Sdes switch (rval) { 10015420Swpaul case 1: 10115420Swpaul return(YP_FALSE); 10215420Swpaul break; 10315420Swpaul case -1: 10415420Swpaul default: 10515420Swpaul (void)(dbp->close)(dbp); 10615420Swpaul return(YP_BADDB); 10715420Swpaul break; 10815420Swpaul } 10913007Swpaul } 11013007Swpaul 11113007Swpaul return(YP_TRUE); 11213007Swpaul} 113