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freebsd/usr.sbin/named/db_reload.c

126 lines
4.3 KiB
C

#if !defined(lint) && !defined(SABER)
static char sccsid[] = "@(#)db_reload.c 4.22 (Berkeley) 3/21/91";
static char rcsid[] = "$Id: db_reload.c,v 4.9.1.4 1994/07/02 16:28:11 vixie Exp $";
#endif /* not lint */
/*
* ++Copyright++ 1986, 1988
* -
* Copyright (c) 1986, 1988
* The Regents of the University of California. 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 the University of
* California, Berkeley and its contributors.
* 4. 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 REGENTS 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 THE REGENTS 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.
* -
* Portions Copyright (c) 1993 by Digital Equipment Corporation.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies, and that
* the name of Digital Equipment Corporation not be used in advertising or
* publicity pertaining to distribution of the document or software without
* specific, written prior permission.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
* -
* --Copyright--
*/
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <stdio.h>
#include <syslog.h>
#include "named.h"
/*
* Flush and reload data base.
*/
void
db_reload()
{
dprintf(3, (ddt, "reload()\n"));
syslog(LOG_NOTICE, "reloading nameserver\n");
qflush();
sqflush(NULL);
getnetconf();
#ifdef FORCED_RELOAD
reloading = 1; /* to force transfer if secondary and backing up */
#endif
ns_init(bootfile);
time(&resettime);
#ifdef FORCED_RELOAD
reloading = 0;
if (!needmaint)
sched_maint();
#endif /* FORCED_RELOAD */
dprintf(1, (ddt, "Ready to answer queries.\n"));
syslog(LOG_NOTICE, "Ready to answer queries.\n");
}
#if 0
/* someday we'll need this.. (untested since before 1990) */
void
db_free(htp)
struct hashbuf *htp;
{
register struct databuf *dp, *nextdp;
register struct namebuf *np, *nextnp;
struct namebuf **npp, **nppend;
npp = htp->h_tab;
nppend = npp + htp->h_size;
while (npp < nppend) {
for (np = *npp++; np != NULL; np = nextnp) {
if (np->n_hash != NULL)
db_free(np->n_hash);
(void) free((char *)np->n_dname);
for (dp = np->n_data; dp != NULL; ) {
nextdp = dp->d_next;
(void) free((char *)dp);
dp = nextdp;
}
nextnp = np->n_next;
free((char *)np);
}
}
(void) free((char *)htp);
}
#endif