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Diffstat (limited to 'crypto/heimdal/lib/krb5/get_addrs.c')
-rw-r--r--crypto/heimdal/lib/krb5/get_addrs.c310
1 files changed, 0 insertions, 310 deletions
diff --git a/crypto/heimdal/lib/krb5/get_addrs.c b/crypto/heimdal/lib/krb5/get_addrs.c
deleted file mode 100644
index 65a1b3c7bdd56..0000000000000
--- a/crypto/heimdal/lib/krb5/get_addrs.c
+++ /dev/null
@@ -1,310 +0,0 @@
-/*
- * Copyright (c) 1997 - 1999 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 1.35 1999/12/02 17:05:09 joda Exp $");
-
-#ifdef __osf__
-/* hate */
-struct rtentry;
-struct mbuf;
-#endif
-#ifdef HAVE_NET_IF_H
-#include <net/if.h>
-#endif
-
-#ifdef HAVE_SYS_SOCKIO_H
-#include <sys/sockio.h>
-#endif /* HAVE_SYS_SOCKIO_H */
-
-#ifdef HAVE_NETINET_IN6_VAR_H
-#include <netinet/in6_var.h>
-#endif /* HAVE_NETINET_IN6_VAR_H */
-
-static krb5_error_code
-gethostname_fallback (krb5_addresses *res)
-{
- krb5_error_code err;
- char hostname[MAXHOSTNAMELEN];
- struct hostent *hostent;
-
- if (gethostname (hostname, sizeof(hostname)))
- return errno;
- hostent = roken_gethostbyname (hostname);
- if (hostent == NULL)
- return errno;
- res->len = 1;
- res->val = malloc (sizeof(*res->val));
- if (res->val == NULL)
- return ENOMEM;
- res->val[0].addr_type = hostent->h_addrtype;
- res->val[0].address.data = NULL;
- res->val[0].address.length = 0;
- err = krb5_data_copy (&res->val[0].address,
- hostent->h_addr,
- hostent->h_length);
- if (err) {
- free (res->val);
- return err;
- }
- 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,
- int af, int siocgifconf, int siocgifflags,
- size_t ifreq_sz)
-{
- krb5_error_code ret;
- int fd;
- size_t buf_size;
- char *buf;
- struct ifconf ifconf;
- int num, j = 0;
- char *p;
- size_t sz;
- struct sockaddr sa_zero;
- struct ifreq *ifr;
- krb5_address lo_addr;
- int got_lo = FALSE;
-
- buf = NULL;
- res->val = NULL;
-
- memset (&sa_zero, 0, sizeof(sa_zero));
- fd = socket(af, SOCK_DGRAM, 0);
- if (fd < 0)
- return -1;
-
- buf_size = 8192;
- for (;;) {
- buf = malloc(buf_size);
- if (buf == NULL) {
- ret = ENOMEM;
- goto error_out;
- }
- ifconf.ifc_len = buf_size;
- ifconf.ifc_buf = buf;
- if (ioctl (fd, siocgifconf, &ifconf) < 0) {
- ret = errno;
- goto error_out;
- }
- /*
- * Can the difference between a full and a overfull buf
- * be determined?
- */
-
- if (ifconf.ifc_len < buf_size)
- break;
- free (buf);
- buf_size *= 2;
- }
-
- num = ifconf.ifc_len / ifreq_sz;
- res->len = num;
- res->val = calloc(num, sizeof(*res->val));
- if (res->val == NULL) {
- ret = ENOMEM;
- goto error_out;
- }
-
- j = 0;
- for (p = ifconf.ifc_buf;
- p < ifconf.ifc_buf + ifconf.ifc_len;
- p += sz) {
- struct ifreq ifreq;
- struct sockaddr *sa;
-
- ifr = (struct ifreq *)p;
- sa = &ifr->ifr_addr;
-
- sz = ifreq_sz;
-#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
- sz = max(sz, sizeof(ifr->ifr_name) + sa->sa_len);
-#endif
-#ifdef SA_LEN
- sz = max(sz, SA_LEN(sa));
-#endif
- memcpy (ifreq.ifr_name, ifr->ifr_name, sizeof(ifr->ifr_name));
-
- if (ioctl(fd, siocgifflags, &ifreq) < 0) {
- ret = errno;
- goto error_out;
- }
-
- if (!(ifreq.ifr_flags & IFF_UP))
- continue;
- if (memcmp (sa, &sa_zero, sizeof(sa_zero)) == 0)
- continue;
- if (krb5_sockaddr_uninteresting (sa))
- continue;
-
- if (ifreq.ifr_flags & IFF_LOOPBACK) {
- if (flags & LOOP_IF_NONE) {
- ret = krb5_sockaddr2address (sa, &lo_addr);
- if (ret)
- goto error_out;
- got_lo = TRUE;
- continue;
- } else if((flags & LOOP) == 0)
- continue;
- }
-
- ret = krb5_sockaddr2address (sa, &res->val[j]);
- if (ret)
- goto error_out;
- ++j;
- }
- if ((flags & LOOP_IF_NONE) && got_lo) {
- if (j == 0)
- res->val[j++] = lo_addr;
- else
- krb5_free_address (context, &lo_addr);
- }
-
- if (j != num) {
- void *tmp;
-
- res->len = j;
- tmp = realloc (res->val, j * sizeof(*res->val));
- if (j != 0 && tmp == NULL) {
- ret = ENOMEM;
- goto error_out;
- }
- res->val = tmp;
- }
- ret = 0;
- goto cleanup;
-
-error_out:
- if (got_lo)
- krb5_free_address (context, &lo_addr);
- while(j--) {
- krb5_free_address (context, &res->val[j]);
- }
- free (res->val);
-cleanup:
- close (fd);
- free (buf);
- 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) {
-#if defined(AF_INET6) && defined(SIOCGIF6CONF) && defined(SIOCGIF6FLAGS)
- if (ret)
- ret = find_all_addresses (context, res, flags,
- AF_INET6, SIOCGIF6CONF, SIOCGIF6FLAGS,
- sizeof(struct in6_ifreq));
-#endif
-#if defined(HAVE_IPV6) && defined(SIOCGIFCONF)
- if (ret)
- ret = find_all_addresses (context, res, flags,
- AF_INET6, SIOCGIFCONF, SIOCGIFFLAGS,
- sizeof(struct ifreq));
-#endif
-#if defined(AF_INET) && defined(SIOCGIFCONF) && defined(SIOCGIFFLAGS)
- if (ret)
- ret = find_all_addresses (context, res, flags,
- AF_INET, SIOCGIFCONF, SIOCGIFFLAGS,
- sizeof(struct ifreq));
- if(ret || res->len == 0)
- ret = gethostname_fallback (res);
-#endif
- } else
- ret = 0;
-
- if(ret == 0 && (flags & EXTRA_ADDRESSES)) {
- /* append user specified addresses */
- krb5_addresses a;
- 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);
- }
- 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);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-18 16:43:31 +0000