4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Copyright (c) 1985, 1988, 1993
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * The Regents of the University of California. All rights reserved.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Portions copyright (c) 1999, 2000
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Intel Corporation.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * All rights reserved.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Redistribution and use in source and binary forms, with or without
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * modification, are permitted provided that the following conditions
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 1. Redistributions of source code must retain the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 2. Redistributions in binary form must reproduce the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer in the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * documentation and/or other materials provided with the distribution.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 3. All advertising materials mentioning features or use of this software
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * must display the following acknowledgement:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * This product includes software developed by the University of
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * California, Berkeley, Intel Corporation, and its contributors.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 4. Neither the name of University, Intel Corporation, or their respective
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * contributors may be used to endorse or promote products derived from
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * this software without specific prior written permission.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * THIS SOFTWARE IS PROVIDED BY THE REGENTS, INTEL CORPORATION AND
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * INTEL CORPORATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Portions Copyright (c) 1993 by Digital Equipment Corporation.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Permission to use, copy, modify, and distribute this software for any
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * purpose with or without fee is hereby granted, provided that the above
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * copyright notice and this permission notice appear in all copies, and that
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * the name of Digital Equipment Corporation not be used in advertising or
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * publicity pertaining to distribution of the document or software without
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * specific, written prior permission.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * SOFTWARE.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * --Copyright--
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* Portions Copyright (c) 1993 Carlos Leandro and Rui Salgueiro
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Dep. Matematica Universidade de Coimbra, Portugal, Europe
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Permission to use, copy, modify, and distribute this software for any
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * purpose with or without fee is hereby granted, provided that the above
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * copyright notice and this permission notice appear in all copies.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic char sccsid[] = "@(#)gethostnamadr.c 8.1 (Berkeley) 6/4/93";
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic char rcsid[] = "$Id: getnetbydns.c,v 1.1.1.1 2003/11/19 01:51:27 kyu3 Exp $";
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif /* LIBC_SCCS and not lint */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynctypedef union {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynctypedef union {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic struct netent *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncgetnetanswer(querybuf *answer, int anslen, int net_i)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync register int n;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int type, class, buflen, ancount, qdcount, haveanswer, i, nchar;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char aux1[MAXHOSTNAMELEN], aux2[MAXHOSTNAMELEN], ans[MAXHOSTNAMELEN];
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char *paux1 = &aux1[0], *paux2 = &aux2[0], flag = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic char *net_aliases[MAXALIASES], netbuf[PACKETSZ];
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * find first satisfactory answer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * answer --> +------------+ ( MESSAGE )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * | Header |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * +------------+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * | Question | the question for the name server
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * +------------+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * | Answer | RRs answering the question
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * +------------+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * | Authority | RRs pointing toward an authority
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * | Additional | RRs holding additional information
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * +------------+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ancount = ntohs(hp->ancount); /* #/records in the answer section */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync qdcount = ntohs(hp->qdcount); /* #/entries in the question section */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (qdcount-- > 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (i = 0; i < 4; i++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync_getnetbydnsaddr(register unsigned long net, register int net_type)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync sprintf(qbuf, "0.0.%u.%u.in-addr.arpa", netbr[3], netbr[2]);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync sprintf(qbuf, "0.%u.%u.%u.in-addr.arpa", netbr[3], netbr[2],
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case 0: /* Class D - E */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync sprintf(qbuf, "%u.%u.%u.%u.in-addr.arpa", netbr[3], netbr[2],
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync anslen = res_query(qbuf, C_IN, T_PTR, (u_char *)&buf, sizeof(buf));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync unsigned u_net = net; /* maybe net should be unsigned ? */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Strip trailing zeros */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync anslen = res_search(qbuf, C_IN, T_PTR, (u_char *)&buf, sizeof(buf));