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-rw-r--r--resolv/getnetnamadr.c286
1 files changed, 0 insertions, 286 deletions
diff --git a/resolv/getnetnamadr.c b/resolv/getnetnamadr.c
deleted file mode 100644
index 39402b7af1..0000000000
--- a/resolv/getnetnamadr.c
+++ /dev/null
@@ -1,286 +0,0 @@
-/* Copyright (c) 1993 Carlos Leandro and Rui Salgueiro
- * Dep. Matematica Universidade de Coimbra, Portugal, Europe
- *
- * 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.
- */
-/*
- * Copyright (c) 1983, 1993
- * 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.
- * 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.
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)getnetbyaddr.c 8.1 (Berkeley) 6/4/93";
-static char sccsid_[] = "from getnetnamadr.c 1.4 (Coimbra) 93/06/03";
-static char rcsid[] = "$Id$";
-#endif /* LIBC_SCCS and not lint */
-
-#include <sys/types.h>
-#include <sys/param.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <arpa/nameser.h>
-
-#include <stdio.h>
-#include <netdb.h>
-#include <resolv.h>
-#include <ctype.h>
-#include <errno.h>
-#include <string.h>
-
-#ifndef h_errno
-extern int h_errno;
-#endif
-
-#if defined(mips) && defined(SYSTYPE_BSD43) && !defined(errno)
-extern int errno;
-#endif
-
-struct netent *_getnetbyaddr __P((long net, int type));
-struct netent *_getnetbyname __P((const char *name));
-
-#define BYADDR 0
-#define BYNAME 1
-#define MAXALIASES 35
-
-#if PACKETSZ > 1024
-#define MAXPACKET PACKETSZ
-#else
-#define MAXPACKET 1024
-#endif
-
-typedef union {
- HEADER hdr;
- u_char buf[MAXPACKET];
-} querybuf;
-
-typedef union {
- long al;
- char ac;
-} align;
-
-static struct netent *
-getnetanswer(answer, anslen, net_i)
- querybuf *answer;
- int anslen;
- int net_i;
-{
-
- register HEADER *hp;
- register u_char *cp;
- register int n;
- u_char *eom;
- int type, class, buflen, ancount, qdcount, haveanswer, i, nchar;
- char aux1[30], aux2[30], ans[30], *in, *st, *pauxt, *bp, **ap,
- *paux1 = &aux1[0], *paux2 = &aux2[0], flag = 0;
-static struct netent net_entry;
-static char *net_aliases[MAXALIASES], netbuf[BUFSIZ+1];
-
- /*
- * find first satisfactory answer
- *
- * answer --> +------------+ ( MESSAGE )
- * | Header |
- * +------------+
- * | Question | the question for the name server
- * +------------+
- * | Answer | RRs answering the question
- * +------------+
- * | Authority | RRs pointing toward an authority
- * | Additional | RRs holding additional information
- * +------------+
- */
- eom = answer->buf + anslen;
- hp = &answer->hdr;
- ancount = ntohs(hp->ancount); /* #/records in the answer section */
- qdcount = ntohs(hp->qdcount); /* #/entries in the question section */
- bp = netbuf;
- buflen = sizeof(netbuf);
- cp = answer->buf + HFIXEDSZ;
- if (!qdcount) {
- if (hp->aa)
- __set_h_errno (HOST_NOT_FOUND);
- else
- __set_h_errno (TRY_AGAIN);
- return (NULL);
- }
- while (qdcount-- > 0)
- cp += __dn_skipname(cp, eom) + QFIXEDSZ;
- ap = net_aliases;
- *ap = NULL;
- net_entry.n_aliases = net_aliases;
- haveanswer = 0;
- while (--ancount >= 0 && cp < eom) {
- n = dn_expand(answer->buf, eom, cp, bp, buflen);
- if ((n < 0) || !res_dnok(bp))
- break;
- cp += n;
- ans[0] = '\0';
- (void)strcpy(&ans[0], bp);
- GETSHORT(type, cp);
- GETSHORT(class, cp);
- cp += INT32SZ; /* TTL */
- GETSHORT(n, cp);
- if (class == C_IN && type == T_PTR) {
- n = dn_expand(answer->buf, eom, cp, bp, buflen);
- if ((n < 0) || !res_hnok(bp)) {
- cp += n;
- return (NULL);
- }
- cp += n;
- *ap++ = bp;
- bp += strlen(bp) + 1;
- net_entry.n_addrtype =
- (class == C_IN) ? AF_INET : AF_UNSPEC;
- haveanswer++;
- }
- }
- if (haveanswer) {
- *ap = NULL;
- switch (net_i) {
- case BYADDR:
- net_entry.n_name = *net_entry.n_aliases;
- net_entry.n_net = 0L;
- break;
- case BYNAME:
- in = *net_entry.n_aliases;
- net_entry.n_name = &ans[0];
- aux2[0] = '\0';
- for (i = 0; i < 4; i++) {
- for (st = in, nchar = 0;
- *st != '.';
- st++, nchar++)
- ;
- if (nchar != 1 || *in != '0' || flag) {
- flag = 1;
- (void)strncpy(paux1,
- (i==0) ? in : in-1,
- (i==0) ?nchar : nchar+1);
- paux1[(i==0) ? nchar : nchar+1] = '\0';
- pauxt = paux2;
- paux2 = strcat(paux1, paux2);
- paux1 = pauxt;
- }
- in = ++st;
- }
- net_entry.n_net = inet_network(paux2);
- break;
- }
- net_entry.n_aliases++;
- return (&net_entry);
- }
- __set_h_errno (TRY_AGAIN);
- return (NULL);
-}
-
-struct netent *
-getnetbyaddr(net, net_type)
- register u_long net;
- register int net_type;
-{
- unsigned int netbr[4];
- int nn, anslen;
- querybuf buf;
- char qbuf[MAXDNAME];
- u_int32_t net2; /* Changed from unsigned long --roland */
- struct netent *net_entry;
-
- if (net_type != AF_INET)
- return (_getnetbyaddr(net, net_type));
-
- for (nn = 4, net2 = net; net2; net2 >>= 8)
- netbr[--nn] = net2 & 0xff;
- switch (nn) {
- case 3: /* Class A */
- sprintf(qbuf, "0.0.0.%u.in-addr.arpa", netbr[3]);
- break;
- case 2: /* Class B */
- sprintf(qbuf, "0.0.%u.%u.in-addr.arpa", netbr[3], netbr[2]);
- break;
- case 1: /* Class C */
- sprintf(qbuf, "0.%u.%u.%u.in-addr.arpa", netbr[3], netbr[2],
- netbr[1]);
- break;
- case 0: /* Class D - E */
- sprintf(qbuf, "%u.%u.%u.%u.in-addr.arpa", netbr[3], netbr[2],
- netbr[1], netbr[0]);
- break;
- }
- anslen = res_query(qbuf, C_IN, T_PTR, (u_char *)&buf, sizeof(buf));
- if (anslen < 0) {
-#ifdef DEBUG
- if (_res.options & RES_DEBUG)
- printf("res_query failed\n");
-#endif
- if (errno == ECONNREFUSED)
- return (_getnetbyaddr(net, net_type));
- return (NULL);
- }
- net_entry = getnetanswer(&buf, anslen, BYADDR);
- if (net_entry) {
- unsigned u_net = net; /* maybe net should be unsigned ? */
-
- /* Strip trailing zeros */
- while ((u_net & 0xff) == 0 && u_net != 0)
- u_net >>= 8;
- net_entry->n_net = u_net;
- return (net_entry);
- }
- return (_getnetbyaddr(net, net_type));
-}
-
-struct netent *
-getnetbyname(net)
- register const char *net;
-{
- int anslen;
- querybuf buf;
- char qbuf[MAXDNAME];
- struct netent *net_entry;
-
- if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
- __set_h_errno (NETDB_INTERNAL);
- return (NULL);
- }
- strcpy(&qbuf[0], net);
- anslen = res_search(qbuf, C_IN, T_PTR, (u_char *)&buf, sizeof(buf));
- if (anslen < 0) {
-#ifdef DEBUG
- if (_res.options & RES_DEBUG)
- printf("res_query failed\n");
-#endif
- if (errno == ECONNREFUSED)
- return (_getnetbyname(net));
- return (_getnetbyname(net));
- }
- net_entry = getnetanswer(&buf, anslen, BYNAME);
- if (net_entry)
- return (net_entry);
- return (_getnetbyname(net));
-}