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/*
* Copyright (c) 1996
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/fcntl.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include <db.h>
#include <unistd.h>
#include <rpcsvc/ypclnt.h>
#include <rpcsvc/ypupdate_prot.h>
#include "ypxfr_extern.h"
#include "ypupdated_extern.h"
static int
yp_domake(char *map, char *domain)
{
int pid;
switch ((pid = fork())) {
case 0:
execlp(MAP_UPDATE_PATH, MAP_UPDATE, map, domain, (char *)NULL);
yp_error("couldn't exec map update process: %s",
strerror(errno));
exit(1);
break;
case -1:
yp_error("fork() failed: %s", strerror(errno));
return(YPERR_YPERR);
break;
default:
children++;
break;
}
return(0);
}
int
ypmap_update(char *netname, char *map, unsigned int op, unsigned int keylen,
char *keyval, unsigned int datlen, char *datval)
{
DB *dbp;
DBT key = { NULL, 0 }, data = { NULL, 0 };
char *yp_last = "YP_LAST_MODIFIED";
char yplastbuf[YPMAXRECORD];
char *domptr;
int rval = 0;
if ((domptr = strchr(netname, '@')) == NULL)
return(ERR_ACCESS);
domptr++;
dbp = yp_open_db_rw(domptr, map, O_RDWR);
if (dbp == NULL)
return(ERR_DBASE);
key.data = keyval;
key.size = keylen;
data.data = datval;
data.size = datlen;
switch (op) {
case YPOP_DELETE: /* delete this entry */
rval = yp_del_record(dbp, &key);
if (rval == YP_TRUE)
rval = 0;
break;
case YPOP_INSERT: /* add, do not change */
rval = yp_put_record(dbp, &key, &data, 0);
if (rval == YP_TRUE)
rval = 0;
break;
case YPOP_STORE: /* add, or change */
rval = yp_put_record(dbp, &key, &data, 1);
if (rval == YP_TRUE)
rval = 0;
break;
case YPOP_CHANGE: /* change, do not add */
if (yp_get_record(domptr, map, &key, &data, 0) != YP_TRUE) {
rval = ERR_KEY;
break;
}
rval = yp_put_record(dbp, &key, &data, 1);
if (rval == YP_TRUE)
rval = 0;
break;
default:
yp_error("unknown update command: (%d)", op);
}
if (rval) {
(void)(dbp->close)(dbp);
return(rval);
}
snprintf(yplastbuf, sizeof(yplastbuf), "%jd", (intmax_t)time(NULL));
key.data = yp_last;
key.size = strlen(yp_last);
data.data = (char *)&yplastbuf;
data.size = strlen(yplastbuf);
if (yp_put_record(dbp, &key, &data, 1) != YP_TRUE) {
yp_error("failed to update timestamp in %s/%s", domptr, map);
(void)(dbp->close)(dbp);
return(ERR_DBASE);
}
(void)(dbp->close)(dbp);
return(yp_domake(map, domptr));
}
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