df57947f08
The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. Special thanks to Wind River for providing access to "The Duke of Highlander" tool: an older (2014) run over FreeBSD tree was useful as a starting point. Initially, only tag files that use BSD 4-Clause "Original" license. RelNotes: yes Differential Revision: https://reviews.freebsd.org/D13133
113 lines
3.0 KiB
C
113 lines
3.0 KiB
C
/*-
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* SPDX-License-Identifier: BSD-4-Clause
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*
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* Copyright (c) 1995
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* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <db.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <paths.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <rpcsvc/yp.h>
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#include "ypxfr_extern.h"
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#define PERM_SECURE (S_IRUSR|S_IWUSR)
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/*
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* Open a DB database read/write
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*/
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DB *
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yp_open_db_rw(const char *domain, const char *map, const int flags)
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{
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DB *dbp;
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char buf[1025];
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yp_errno = YP_TRUE;
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if (map[0] == '.' || strchr(map, '/')) {
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yp_errno = YP_BADARGS;
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return (NULL);
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}
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#define FLAGS O_RDWR|O_EXLOCK|O_EXCL|O_CREAT
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snprintf(buf, sizeof(buf), "%s/%s/%s", yp_dir, domain, map);
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dbp = dbopen(buf,flags ? flags : FLAGS,PERM_SECURE,DB_HASH,&openinfo);
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if (dbp == NULL) {
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switch (errno) {
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case ENOENT:
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yp_errno = YP_NOMAP;
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break;
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case EFTYPE:
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yp_errno = YP_BADDB;
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break;
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default:
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yp_errno = YP_YPERR;
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break;
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}
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}
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return (dbp);
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}
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int
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yp_put_record(DB *dbp, DBT *key, DBT *data, int allow_overwrite)
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{
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int rval;
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if ((rval = (dbp->put)(dbp,key,data, allow_overwrite ? 0 :
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R_NOOVERWRITE))) {
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switch (rval) {
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case 1:
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return(YP_FALSE);
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break;
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case -1:
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default:
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(void)(dbp->close)(dbp);
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return(YP_BADDB);
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break;
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}
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}
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return(YP_TRUE);
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}
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