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Diffstat (limited to 'crypto/heimdal/lib/krb5/get_addrs.c')
-rw-r--r--crypto/heimdal/lib/krb5/get_addrs.c287
1 files changed, 0 insertions, 287 deletions
diff --git a/crypto/heimdal/lib/krb5/get_addrs.c b/crypto/heimdal/lib/krb5/get_addrs.c
deleted file mode 100644
index f521de8cd65f..000000000000
--- a/crypto/heimdal/lib/krb5/get_addrs.c
+++ /dev/null
@@ -1,287 +0,0 @@
-/*
- * Copyright (c) 1997 - 2002 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.
- */
-
-#include "krb5_locl.h"
-
-RCSID("$Id: get_addrs.c,v 1.44 2002/08/16 20:50:15 joda Exp $");
-
-#ifdef __osf__
-/* hate */
-struct rtentry;
-struct mbuf;
-#endif
-#ifdef HAVE_NET_IF_H
-#include <net/if.h>
-#endif
-#include <ifaddrs.h>
-
-static krb5_error_code
-gethostname_fallback (krb5_context context, krb5_addresses *res)
-{
- krb5_error_code ret;
- char hostname[MAXHOSTNAMELEN];
- struct hostent *hostent;
-
- if (gethostname (hostname, sizeof(hostname))) {
- ret = errno;
- krb5_set_error_string (context, "gethostname: %s", strerror(ret));
- return ret;
- }
- hostent = roken_gethostbyname (hostname);
- if (hostent == NULL) {
- ret = errno;
- krb5_set_error_string (context, "gethostbyname %s: %s",
- hostname, strerror(ret));
- return ret;
- }
- res->len = 1;
- res->val = malloc (sizeof(*res->val));
- if (res->val == NULL) {
- krb5_set_error_string(context, "malloc: out of memory");
- return ENOMEM;
- }
- res->val[0].addr_type = hostent->h_addrtype;
- res->val[0].address.data = NULL;
- res->val[0].address.length = 0;
- ret = krb5_data_copy (&res->val[0].address,
- hostent->h_addr,
- hostent->h_length);
- if (ret) {
- free (res->val);
- return ret;
- }
- return 0;
-}
-
-enum {
- LOOP = 1, /* do include loopback interfaces */
- LOOP_IF_NONE = 2, /* include loopback if no other if's */
- EXTRA_ADDRESSES = 4, /* include extra addresses */
- SCAN_INTERFACES = 8 /* scan interfaces for addresses */
-};
-
-/*
- * Try to figure out the addresses of all configured interfaces with a
- * lot of magic ioctls.
- */
-
-static krb5_error_code
-find_all_addresses (krb5_context context, krb5_addresses *res, int flags)
-{
- struct sockaddr sa_zero;
- struct ifaddrs *ifa0, *ifa;
- krb5_error_code ret = ENXIO;
- int num, idx;
- krb5_addresses ignore_addresses;
-
- res->val = NULL;
-
- if (getifaddrs(&ifa0) == -1) {
- ret = errno;
- krb5_set_error_string(context, "getifaddrs: %s", strerror(ret));
- return (ret);
- }
-
- memset(&sa_zero, 0, sizeof(sa_zero));
-
- /* First, count all the ifaddrs. */
- for (ifa = ifa0, num = 0; ifa != NULL; ifa = ifa->ifa_next, num++)
- /* nothing */;
-
- if (num == 0) {
- freeifaddrs(ifa0);
- krb5_set_error_string(context, "no addresses found");
- return (ENXIO);
- }
-
- if (flags & EXTRA_ADDRESSES) {
- /* we'll remove the addresses we don't care about */
- ret = krb5_get_ignore_addresses(context, &ignore_addresses);
- if(ret)
- return ret;
- }
-
- /* Allocate storage for them. */
- res->val = calloc(num, sizeof(*res->val));
- if (res->val == NULL) {
- krb5_free_addresses(context, &ignore_addresses);
- freeifaddrs(ifa0);
- krb5_set_error_string (context, "malloc: out of memory");
- return (ENOMEM);
- }
-
- /* Now traverse the list. */
- for (ifa = ifa0, idx = 0; ifa != NULL; ifa = ifa->ifa_next) {
- if ((ifa->ifa_flags & IFF_UP) == 0)
- continue;
- if (memcmp(ifa->ifa_addr, &sa_zero, sizeof(sa_zero)) == 0)
- continue;
- if (krb5_sockaddr_uninteresting(ifa->ifa_addr))
- continue;
- if ((ifa->ifa_flags & IFF_LOOPBACK) != 0) {
- /* We'll deal with the LOOP_IF_NONE case later. */
- if ((flags & LOOP) == 0)
- continue;
- }
-
- ret = krb5_sockaddr2address(context, ifa->ifa_addr, &res->val[idx]);
- if (ret) {
- /*
- * The most likely error here is going to be "Program
- * lacks support for address type". This is no big
- * deal -- just continue, and we'll listen on the
- * addresses who's type we *do* support.
- */
- continue;
- }
- /* possibly skip this address? */
- if((flags & EXTRA_ADDRESSES) &&
- krb5_address_search(context, &res->val[idx], &ignore_addresses)) {
- krb5_free_address(context, &res->val[idx]);
- flags &= ~LOOP_IF_NONE; /* we actually found an address,
- so don't add any loop-back
- addresses */
- continue;
- }
-
- idx++;
- }
-
- /*
- * If no addresses were found, and LOOP_IF_NONE is set, then find
- * the loopback addresses and add them to our list.
- */
- if ((flags & LOOP_IF_NONE) != 0 && idx == 0) {
- for (ifa = ifa0; ifa != NULL; ifa = ifa->ifa_next) {
- if ((ifa->ifa_flags & IFF_UP) == 0)
- continue;
- if (memcmp(ifa->ifa_addr, &sa_zero, sizeof(sa_zero)) == 0)
- continue;
- if (krb5_sockaddr_uninteresting(ifa->ifa_addr))
- continue;
-
- if ((ifa->ifa_flags & IFF_LOOPBACK) != 0) {
- ret = krb5_sockaddr2address(context,
- ifa->ifa_addr, &res->val[idx]);
- if (ret) {
- /*
- * See comment above.
- */
- continue;
- }
- if((flags & EXTRA_ADDRESSES) &&
- krb5_address_search(context, &res->val[idx],
- &ignore_addresses)) {
- krb5_free_address(context, &res->val[idx]);
- continue;
- }
- idx++;
- }
- }
- }
-
- if (flags & EXTRA_ADDRESSES)
- krb5_free_addresses(context, &ignore_addresses);
- freeifaddrs(ifa0);
- if (ret)
- free(res->val);
- else
- res->len = idx; /* Now a count. */
- return (ret);
-}
-
-static krb5_error_code
-get_addrs_int (krb5_context context, krb5_addresses *res, int flags)
-{
- krb5_error_code ret = -1;
-
- if (flags & SCAN_INTERFACES) {
- ret = find_all_addresses (context, res, flags);
- if(ret || res->len == 0)
- ret = gethostname_fallback (context, res);
- } else {
- res->len = 0;
- res->val = NULL;
- ret = 0;
- }
-
- if(ret == 0 && (flags & EXTRA_ADDRESSES)) {
- krb5_addresses a;
- /* append user specified addresses */
- ret = krb5_get_extra_addresses(context, &a);
- if(ret) {
- krb5_free_addresses(context, res);
- return ret;
- }
- ret = krb5_append_addresses(context, res, &a);
- if(ret) {
- krb5_free_addresses(context, res);
- return ret;
- }
- krb5_free_addresses(context, &a);
- }
- if(res->len == 0) {
- free(res->val);
- res->val = NULL;
- }
- return ret;
-}
-
-/*
- * Try to get all addresses, but return the one corresponding to
- * `hostname' if we fail.
- *
- * Only include loopback address if there are no other.
- */
-
-krb5_error_code
-krb5_get_all_client_addrs (krb5_context context, krb5_addresses *res)
-{
- int flags = LOOP_IF_NONE | EXTRA_ADDRESSES;
-
- if (context->scan_interfaces)
- flags |= SCAN_INTERFACES;
-
- return get_addrs_int (context, res, flags);
-}
-
-/*
- * Try to get all local addresses that a server should listen to.
- * If that fails, we return the address corresponding to `hostname'.
- */
-
-krb5_error_code
-krb5_get_all_server_addrs (krb5_context context, krb5_addresses *res)
-{
- return get_addrs_int (context, res, LOOP | SCAN_INTERFACES);
-}
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