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Diffstat (limited to 'crypto/heimdal/lib/roken/getaddrinfo.c')
-rw-r--r--crypto/heimdal/lib/roken/getaddrinfo.c417
1 files changed, 0 insertions, 417 deletions
diff --git a/crypto/heimdal/lib/roken/getaddrinfo.c b/crypto/heimdal/lib/roken/getaddrinfo.c
deleted file mode 100644
index 83957bb794a9f..0000000000000
--- a/crypto/heimdal/lib/roken/getaddrinfo.c
+++ /dev/null
@@ -1,417 +0,0 @@
-/*
- * Copyright (c) 1999 - 2001 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-RCSID("$Id: getaddrinfo.c,v 1.12 2001/08/17 13:06:57 joda Exp $");
-#endif
-
-#include "roken.h"
-
-/*
- * uses hints->ai_socktype and hints->ai_protocol
- */
-
-static int
-get_port_protocol_socktype (const char *servname,
- const struct addrinfo *hints,
- int *port,
- int *protocol,
- int *socktype)
-{
- struct servent *se;
- const char *proto_str = NULL;
-
- *socktype = 0;
-
- if (hints != NULL && hints->ai_protocol != 0) {
- struct protoent *protoent = getprotobynumber (hints->ai_protocol);
-
- if (protoent == NULL)
- return EAI_SOCKTYPE; /* XXX */
-
- proto_str = protoent->p_name;
- *protocol = protoent->p_proto;
- }
-
- if (hints != NULL)
- *socktype = hints->ai_socktype;
-
- if (*socktype == SOCK_STREAM) {
- se = getservbyname (servname, proto_str ? proto_str : "tcp");
- if (proto_str == NULL)
- *protocol = IPPROTO_TCP;
- } else if (*socktype == SOCK_DGRAM) {
- se = getservbyname (servname, proto_str ? proto_str : "udp");
- if (proto_str == NULL)
- *protocol = IPPROTO_UDP;
- } else if (*socktype == 0) {
- if (proto_str != NULL) {
- se = getservbyname (servname, proto_str);
- } else {
- se = getservbyname (servname, "tcp");
- *protocol = IPPROTO_TCP;
- *socktype = SOCK_STREAM;
- if (se == NULL) {
- se = getservbyname (servname, "udp");
- *protocol = IPPROTO_UDP;
- *socktype = SOCK_DGRAM;
- }
- }
- } else
- return EAI_SOCKTYPE;
-
- if (se == NULL) {
- char *endstr;
-
- *port = htons(strtol (servname, &endstr, 10));
- if (servname == endstr)
- return EAI_NONAME;
- } else {
- *port = se->s_port;
- }
- return 0;
-}
-
-static int
-add_one (int port, int protocol, int socktype,
- struct addrinfo ***ptr,
- int (*func)(struct addrinfo *, void *data, int port),
- void *data,
- char *canonname)
-{
- struct addrinfo *a;
- int ret;
-
- a = malloc (sizeof (*a));
- if (a == NULL)
- return EAI_MEMORY;
- memset (a, 0, sizeof(*a));
- a->ai_flags = 0;
- a->ai_next = NULL;
- a->ai_protocol = protocol;
- a->ai_socktype = socktype;
- a->ai_canonname = canonname;
- ret = (*func)(a, data, port);
- if (ret) {
- free (a);
- return ret;
- }
- **ptr = a;
- *ptr = &a->ai_next;
- return 0;
-}
-
-static int
-const_v4 (struct addrinfo *a, void *data, int port)
-{
- struct sockaddr_in *sin;
- struct in_addr *addr = (struct in_addr *)data;
-
- a->ai_family = PF_INET;
- a->ai_addrlen = sizeof(*sin);
- a->ai_addr = malloc (sizeof(*sin));
- if (a->ai_addr == NULL)
- return EAI_MEMORY;
- sin = (struct sockaddr_in *)a->ai_addr;
- memset (sin, 0, sizeof(*sin));
- sin->sin_family = AF_INET;
- sin->sin_port = port;
- sin->sin_addr = *addr;
- return 0;
-}
-
-#ifdef HAVE_IPV6
-static int
-const_v6 (struct addrinfo *a, void *data, int port)
-{
- struct sockaddr_in6 *sin6;
- struct in6_addr *addr = (struct in6_addr *)data;
-
- a->ai_family = PF_INET6;
- a->ai_addrlen = sizeof(*sin6);
- a->ai_addr = malloc (sizeof(*sin6));
- if (a->ai_addr == NULL)
- return EAI_MEMORY;
- sin6 = (struct sockaddr_in6 *)a->ai_addr;
- memset (sin6, 0, sizeof(*sin6));
- sin6->sin6_family = AF_INET6;
- sin6->sin6_port = port;
- sin6->sin6_addr = *addr;
- return 0;
-}
-#endif
-
-/* this is mostly a hack for some versions of AIX that has a prototype
- for in6addr_loopback but no actual symbol in libc */
-#if defined(HAVE_IPV6) && !defined(HAVE_IN6ADDR_LOOPBACK) && defined(IN6ADDR_LOOPBACK_INIT)
-#define in6addr_loopback _roken_in6addr_loopback
-struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT;
-#endif
-
-static int
-get_null (const struct addrinfo *hints,
- int port, int protocol, int socktype,
- struct addrinfo **res)
-{
- struct in_addr v4_addr;
-#ifdef HAVE_IPV6
- struct in6_addr v6_addr;
-#endif
- struct addrinfo *first = NULL;
- struct addrinfo **current = &first;
- int family = PF_UNSPEC;
- int ret;
-
- if (hints != NULL)
- family = hints->ai_family;
-
- if (hints && hints->ai_flags & AI_PASSIVE) {
- v4_addr.s_addr = INADDR_ANY;
-#ifdef HAVE_IPV6
- v6_addr = in6addr_any;
-#endif
- } else {
- v4_addr.s_addr = htonl(INADDR_LOOPBACK);
-#ifdef HAVE_IPV6
- v6_addr = in6addr_loopback;
-#endif
- }
-
-#ifdef HAVE_IPV6
- if (family == PF_INET6 || family == PF_UNSPEC) {
- ret = add_one (port, protocol, socktype,
- &current, const_v6, &v6_addr, NULL);
- }
-#endif
- if (family == PF_INET || family == PF_UNSPEC) {
- ret = add_one (port, protocol, socktype,
- &current, const_v4, &v4_addr, NULL);
- }
- *res = first;
- return 0;
-}
-
-static int
-add_hostent (int port, int protocol, int socktype,
- struct addrinfo ***current,
- int (*func)(struct addrinfo *, void *data, int port),
- struct hostent *he, int *flags)
-{
- int ret;
- char *canonname = NULL;
- char **h;
-
- if (*flags & AI_CANONNAME) {
- struct hostent *he2 = NULL;
- const char *tmp_canon;
-
- tmp_canon = hostent_find_fqdn (he);
- if (strchr (tmp_canon, '.') == NULL) {
- int error;
-
- he2 = getipnodebyaddr (he->h_addr_list[0], he->h_length,
- he->h_addrtype, &error);
- if (he2 != NULL) {
- const char *tmp = hostent_find_fqdn (he2);
-
- if (strchr (tmp, '.') != NULL)
- tmp_canon = tmp;
- }
- }
-
- canonname = strdup (tmp_canon);
- if (he2 != NULL)
- freehostent (he2);
- if (canonname == NULL)
- return EAI_MEMORY;
- }
-
- for (h = he->h_addr_list; *h != NULL; ++h) {
- ret = add_one (port, protocol, socktype,
- current, func, *h, canonname);
- if (ret)
- return ret;
- if (*flags & AI_CANONNAME) {
- *flags &= ~AI_CANONNAME;
- canonname = NULL;
- }
- }
- return 0;
-}
-
-static int
-get_number (const char *nodename,
- const struct addrinfo *hints,
- int port, int protocol, int socktype,
- struct addrinfo **res)
-{
- struct addrinfo *first = NULL;
- struct addrinfo **current = &first;
- int family = PF_UNSPEC;
- int ret;
-
- if (hints != NULL) {
- family = hints->ai_family;
- }
-
-#ifdef HAVE_IPV6
- if (family == PF_INET6 || family == PF_UNSPEC) {
- struct in6_addr v6_addr;
-
- if (inet_pton (PF_INET6, nodename, &v6_addr) == 1) {
- ret = add_one (port, protocol, socktype,
- &current, const_v6, &v6_addr, NULL);
- *res = first;
- return ret;
- }
- }
-#endif
- if (family == PF_INET || family == PF_UNSPEC) {
- struct in_addr v4_addr;
-
- if (inet_pton (PF_INET, nodename, &v4_addr) == 1) {
- ret = add_one (port, protocol, socktype,
- &current, const_v4, &v4_addr, NULL);
- *res = first;
- return ret;
- }
- }
- return EAI_NONAME;
-}
-
-static int
-get_nodes (const char *nodename,
- const struct addrinfo *hints,
- int port, int protocol, int socktype,
- struct addrinfo **res)
-{
- struct addrinfo *first = NULL;
- struct addrinfo **current = &first;
- int family = PF_UNSPEC;
- int flags = 0;
- int ret = EAI_NONAME;
- int error;
-
- if (hints != NULL) {
- family = hints->ai_family;
- flags = hints->ai_flags;
- }
-
-#ifdef HAVE_IPV6
- if (family == PF_INET6 || family == PF_UNSPEC) {
- struct hostent *he;
-
- he = getipnodebyname (nodename, PF_INET6, 0, &error);
-
- if (he != NULL) {
- ret = add_hostent (port, protocol, socktype,
- &current, const_v6, he, &flags);
- freehostent (he);
- }
- }
-#endif
- if (family == PF_INET || family == PF_UNSPEC) {
- struct hostent *he;
-
- he = getipnodebyname (nodename, PF_INET, 0, &error);
-
- if (he != NULL) {
- ret = add_hostent (port, protocol, socktype,
- &current, const_v4, he, &flags);
- freehostent (he);
- }
- }
- *res = first;
- return ret;
-}
-
-/*
- * hints:
- *
- * struct addrinfo {
- * int ai_flags;
- * int ai_family;
- * int ai_socktype;
- * int ai_protocol;
- * ...
- * };
- */
-
-int
-getaddrinfo(const char *nodename,
- const char *servname,
- const struct addrinfo *hints,
- struct addrinfo **res)
-{
- int ret;
- int port = 0;
- int protocol = 0;
- int socktype = 0;
-
- *res = NULL;
-
- if (servname == NULL && nodename == NULL)
- return EAI_NONAME;
-
- if (hints != NULL
- && hints->ai_family != PF_UNSPEC
- && hints->ai_family != PF_INET
-#ifdef HAVE_IPV6
- && hints->ai_family != PF_INET6
-#endif
- )
- return EAI_FAMILY;
-
- if (servname != NULL) {
- ret = get_port_protocol_socktype (servname, hints,
- &port, &protocol, &socktype);
- if (ret)
- return ret;
- }
- if (nodename != NULL) {
- ret = get_number (nodename, hints, port, protocol, socktype, res);
- if (ret) {
- if(hints && hints->ai_flags & AI_NUMERICHOST)
- ret = EAI_NONAME;
- else
- ret = get_nodes (nodename, hints, port, protocol, socktype,
- res);
- }
- } else {
- ret = get_null (hints, port, protocol, socktype, res);
- }
- if (ret)
- freeaddrinfo (*res);
- return ret;
-}
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