120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
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/*
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* Copyright (c) 1986, 1988 Regents of the University of California.
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* 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 the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its 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 THE REGENTS 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 THE REGENTS 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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#ifndef lint
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static char sccsid[] = "@(#)db_reload.c 4.22 (Berkeley) 3/21/91";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/time.h>
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#include <netinet/in.h>
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#include <arpa/nameser.h>
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#include <stdio.h>
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#include <syslog.h>
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#include "ns.h"
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#include "db.h"
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extern time_t resettime;
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/*
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* Flush and reload data base.
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*/
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db_reload()
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{
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extern char *bootfile;
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#ifdef DEBUG
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if (debug >= 3)
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fprintf(ddt,"reload()\n");
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#endif
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syslog(LOG_NOTICE, "reloading nameserver\n");
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qflush();
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sqflush();
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fwdtab_free();
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free_sort_list();
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getnetconf();
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ns_init(bootfile);
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time(&resettime);
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}
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db_free(htp)
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struct hashbuf *htp;
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{
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register struct databuf *dp, *nextdp;
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register struct namebuf *np, *nextnp;
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struct namebuf **npp, **nppend;
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npp = htp->h_tab;
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nppend = npp + htp->h_size;
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while (npp < nppend) {
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for (np = *npp++; np != NULL; np = nextnp) {
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if (np->n_hash != NULL)
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db_free(np->n_hash);
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(void) free((char *)np->n_dname);
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for (dp = np->n_data; dp != NULL; ) {
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nextdp = dp->d_next;
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(void) free((char *)dp);
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dp = nextdp;
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}
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nextnp = np->n_next;
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free((char *)np);
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}
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}
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(void) free((char *)htp);
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}
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db_inv_free()
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{
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register struct invbuf *ip;
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register int i, j;
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for (i = 0; i < INVHASHSZ; i++)
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for (ip = invtab[i]; ip != NULL; ip = ip->i_next)
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for (j = 0; j < INVBLKSZ; j++)
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ip->i_dname[j] = NULL;
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}
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fwdtab_free()
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{
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extern struct fwdinfo *fwdtab;
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struct fwdinfo *fp, *nextfp;
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for (fp = fwdtab; fp != NULL; fp = nextfp) {
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nextfp = fp->next;
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free((char *)fp);
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}
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fwdtab = NULL;
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}
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