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Diffstat (limited to 'lib/liblwres/getnameinfo.c')
-rw-r--r--lib/liblwres/getnameinfo.c289
1 files changed, 0 insertions, 289 deletions
diff --git a/lib/liblwres/getnameinfo.c b/lib/liblwres/getnameinfo.c
deleted file mode 100644
index 36eea3180..000000000
--- a/lib/liblwres/getnameinfo.c
+++ /dev/null
@@ -1,289 +0,0 @@
-/*
- * Portions Copyright (C) 1999-2001 Internet Software Consortium.
- *
- * 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.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
- * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
- * INTERNET SOFTWARE CONSORTIUM 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.
- */
-
-/* $Id: getnameinfo.c,v 1.1 2004/03/15 20:35:25 as Exp $ */
-
-/*
- * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
- * 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 WIDE Project and
- * its contributors.
- * 4. Neither the name of the project 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 PROJECT 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 PROJECT 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.
- */
-
-/*
- * XXX
- * Issues to be discussed:
- * - Return values. There seems to be no standard for return value (RFC2553)
- * but INRIA implementation returns EAI_xxx defined for getaddrinfo().
- */
-
-#include <config.h>
-
-#include <stdio.h>
-#include <string.h>
-
-#include <lwres/lwres.h>
-#include <lwres/net.h>
-#include <lwres/netdb.h>
-
-#include "assert_p.h"
-
-#define SUCCESS 0
-
-static struct afd {
- int a_af;
- size_t a_addrlen;
- size_t a_socklen;
-} afdl [] = {
- /*
- * First entry is linked last...
- */
- { AF_INET, sizeof(struct in_addr), sizeof(struct sockaddr_in) },
- { AF_INET6, sizeof(struct in6_addr), sizeof(struct sockaddr_in6) },
- {0, 0, 0},
-};
-
-#define ENI_NOSERVNAME 1
-#define ENI_NOHOSTNAME 2
-#define ENI_MEMORY 3
-#define ENI_SYSTEM 4
-#define ENI_FAMILY 5
-#define ENI_SALEN 6
-#define ENI_NOSOCKET 7
-
-/*
- * The test against 0 is there to keep the Solaris compiler
- * from complaining about "end-of-loop code not reached".
- */
-#define ERR(code) \
- do { result = (code); \
- if (result != 0) goto cleanup; \
- } while (0)
-
-int
-lwres_getnameinfo(const struct sockaddr *sa, size_t salen, char *host,
- size_t hostlen, char *serv, size_t servlen, int flags)
-{
- struct afd *afd;
- struct servent *sp;
- unsigned short port;
-#ifdef LWRES_PLATFORM_HAVESALEN
- size_t len;
-#endif
- int family, i;
- const void *addr;
- char *p;
-#if 0
- unsigned long v4a;
- unsigned char pfx;
-#endif
- char numserv[sizeof("65000")];
- char numaddr[sizeof("abcd:abcd:abcd:abcd:abcd:abcd:255.255.255.255")
- + 1 + sizeof("4294967295")];
- const char *proto;
- lwres_uint32_t lwf = 0;
- lwres_context_t *lwrctx = NULL;
- lwres_gnbaresponse_t *by = NULL;
- int result = SUCCESS;
- int n;
-
- if (sa == NULL)
- ERR(ENI_NOSOCKET);
-
-#ifdef LWRES_PLATFORM_HAVESALEN
- len = sa->sa_len;
- if (len != salen)
- ERR(ENI_SALEN);
-#endif
-
- family = sa->sa_family;
- for (i = 0; afdl[i].a_af; i++)
- if (afdl[i].a_af == family) {
- afd = &afdl[i];
- goto found;
- }
- ERR(ENI_FAMILY);
-
- found:
- if (salen != afd->a_socklen)
- ERR(ENI_SALEN);
-
- switch (family) {
- case AF_INET:
- port = ((const struct sockaddr_in *)sa)->sin_port;
- addr = &((const struct sockaddr_in *)sa)->sin_addr.s_addr;
- break;
-
- case AF_INET6:
- port = ((const struct sockaddr_in6 *)sa)->sin6_port;
- addr = ((const struct sockaddr_in6 *)sa)->sin6_addr.s6_addr;
- break;
-
- default:
- port = 0;
- addr = NULL;
- INSIST(0);
- }
- proto = (flags & NI_DGRAM) ? "udp" : "tcp";
-
- if (serv == NULL || servlen == 0) {
- /*
- * Caller does not want service.
- */
- } else if ((flags & NI_NUMERICSERV) != 0 ||
- (sp = getservbyport(port, proto)) == NULL) {
- sprintf(numserv, "%d", ntohs(port));
- if ((strlen(numserv) + 1) > servlen)
- ERR(ENI_MEMORY);
- strcpy(serv, numserv);
- } else {
- if ((strlen(sp->s_name) + 1) > servlen)
- ERR(ENI_MEMORY);
- strcpy(serv, sp->s_name);
- }
-
-#if 0
- switch (sa->sa_family) {
- case AF_INET:
- v4a = ((struct sockaddr_in *)sa)->sin_addr.s_addr;
- if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a))
- flags |= NI_NUMERICHOST;
- v4a >>= IN_CLASSA_NSHIFT;
- if (v4a == 0 || v4a == IN_LOOPBACKNET)
- flags |= NI_NUMERICHOST;
- break;
-
- case AF_INET6:
- pfx = ((struct sockaddr_in6 *)sa)->sin6_addr.s6_addr[0];
- if (pfx == 0 || pfx == 0xfe || pfx == 0xff)
- flags |= NI_NUMERICHOST;
- break;
- }
-#endif
-
- if (host == NULL || hostlen == 0) {
- /*
- * What should we do?
- */
- } else if (flags & NI_NUMERICHOST) {
- if (lwres_net_ntop(afd->a_af, addr, numaddr, sizeof(numaddr))
- == NULL)
- ERR(ENI_SYSTEM);
-#if defined(LWRES_HAVE_SIN6_SCOPE_ID)
- if (afd->a_af == AF_INET6 &&
- ((const struct sockaddr_in6 *)sa)->sin6_scope_id) {
- char *p = numaddr + strlen(numaddr);
- const char *stringscope = NULL;
-#if 0
- if ((flags & NI_NUMERICSCOPE) == 0) {
- /*
- * Vendors may want to add support for
- * non-numeric scope identifier.
- */
- stringscope = foo;
- }
-#endif
- if (stringscope == NULL) {
- snprintf(p, sizeof(numaddr) - (p - numaddr),
- "%%%u",
- ((const struct sockaddr_in6 *)sa)->sin6_scope_id);
- } else {
- snprintf(p, sizeof(numaddr) - (p - numaddr),
- "%%%s", stringscope);
- }
- }
-#endif
- if (strlen(numaddr) + 1 > hostlen)
- ERR(ENI_MEMORY);
- strcpy(host, numaddr);
- } else {
- switch (family) {
- case AF_INET:
- lwf = LWRES_ADDRTYPE_V4;
- break;
- case AF_INET6:
- lwf = LWRES_ADDRTYPE_V6;
- break;
- default:
- INSIST(0);
- }
-
- n = lwres_context_create(&lwrctx, NULL, NULL, NULL, 0);
- if (n == 0)
- (void) lwres_conf_parse(lwrctx, lwres_resolv_conf);
-
- if (n == 0)
- n = lwres_getnamebyaddr(lwrctx, lwf,
- (lwres_uint16_t)afd->a_addrlen,
- addr, &by);
- if (n == 0) {
- if (flags & NI_NOFQDN) {
- p = strchr(by->realname, '.');
- if (p)
- *p = '\0';
- }
- if ((strlen(by->realname) + 1) > hostlen)
- ERR(ENI_MEMORY);
- strcpy(host, by->realname);
- } else {
- if (flags & NI_NAMEREQD)
- ERR(ENI_NOHOSTNAME);
- if (lwres_net_ntop(afd->a_af, addr, numaddr,
- sizeof(numaddr))
- == NULL)
- ERR(ENI_NOHOSTNAME);
- if ((strlen(numaddr) + 1) > hostlen)
- ERR(ENI_MEMORY);
- strcpy(host, numaddr);
- }
- }
- result = SUCCESS;
- cleanup:
- if (by != NULL)
- lwres_gnbaresponse_free(lwrctx, &by);
- if (lwrctx != NULL) {
- lwres_conf_clear(lwrctx);
- lwres_context_destroy(&lwrctx);
- }
- return (result);
-}
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