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/*
* Copyright (c) 1997 - 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.
*/
#include "krb5_locl.h"
RCSID("$Id: address.c,v 1.15 2001/05/14 06:14:44 assar Exp $");
#if 0
/* This is the supposedly MIT-api version */
krb5_boolean
krb5_address_search(krb5_context context,
const krb5_address *addr,
krb5_address *const *addrlist)
{
krb5_address *a;
while((a = *addrlist++))
if (krb5_address_compare (context, addr, a))
return TRUE;
return FALSE;
}
#endif
krb5_boolean
krb5_address_search(krb5_context context,
const krb5_address *addr,
const krb5_addresses *addrlist)
{
int i;
for (i = 0; i < addrlist->len; ++i)
if (krb5_address_compare (context, addr, &addrlist->val[i]))
return TRUE;
return FALSE;
}
int
krb5_address_order(krb5_context context,
const krb5_address *addr1,
const krb5_address *addr2)
{
return (addr1->addr_type - addr2->addr_type)
|| memcmp (addr1->address.data,
addr2->address.data,
addr1->address.length);
}
krb5_boolean
krb5_address_compare(krb5_context context,
const krb5_address *addr1,
const krb5_address *addr2)
{
return krb5_address_order (context, addr1, addr2) == 0;
}
krb5_error_code
krb5_copy_address(krb5_context context,
const krb5_address *inaddr,
krb5_address *outaddr)
{
copy_HostAddress(inaddr, outaddr);
return 0;
}
krb5_error_code
krb5_copy_addresses(krb5_context context,
const krb5_addresses *inaddr,
krb5_addresses *outaddr)
{
copy_HostAddresses(inaddr, outaddr);
return 0;
}
krb5_error_code
krb5_free_address(krb5_context context,
krb5_address *address)
{
krb5_data_free (&address->address);
return 0;
}
krb5_error_code
krb5_free_addresses(krb5_context context,
krb5_addresses *addresses)
{
free_HostAddresses(addresses);
return 0;
}
krb5_error_code
krb5_append_addresses(krb5_context context,
krb5_addresses *dest,
const krb5_addresses *source)
{
krb5_address *tmp;
krb5_error_code ret;
int i;
if(source->len > 0) {
tmp = realloc(dest->val, (dest->len + source->len) * sizeof(*tmp));
if(tmp == NULL) {
krb5_set_error_string(context, "realloc: out of memory");
return ENOMEM;
}
dest->val = tmp;
for(i = 0; i < source->len; i++) {
/* skip duplicates */
if(krb5_address_search(context, &source->val[i], dest))
continue;
ret = krb5_copy_address(context,
&source->val[i],
&dest->val[dest->len]);
if(ret)
return ret;
dest->len++;
}
}
return 0;
}
/*
* Create an address of type KRB5_ADDRESS_ADDRPORT from (addr, port)
*/
krb5_error_code
krb5_make_addrport (krb5_context context,
krb5_address **res, const krb5_address *addr, int16_t port)
{
krb5_error_code ret;
size_t len = addr->address.length + 2 + 4 * 4;
u_char *p;
*res = malloc (sizeof(**res));
if (*res == NULL) {
krb5_set_error_string(context, "malloc: out of memory");
return ENOMEM;
}
(*res)->addr_type = KRB5_ADDRESS_ADDRPORT;
ret = krb5_data_alloc (&(*res)->address, len);
if (ret) {
krb5_set_error_string(context, "malloc: out of memory");
free (*res);
return ret;
}
p = (*res)->address.data;
*p++ = 0;
*p++ = 0;
*p++ = (addr->addr_type ) & 0xFF;
*p++ = (addr->addr_type >> 8) & 0xFF;
*p++ = (addr->address.length ) & 0xFF;
*p++ = (addr->address.length >> 8) & 0xFF;
*p++ = (addr->address.length >> 16) & 0xFF;
*p++ = (addr->address.length >> 24) & 0xFF;
memcpy (p, addr->address.data, addr->address.length);
p += addr->address.length;
*p++ = 0;
*p++ = 0;
*p++ = (KRB5_ADDRESS_IPPORT ) & 0xFF;
*p++ = (KRB5_ADDRESS_IPPORT >> 8) & 0xFF;
*p++ = (2 ) & 0xFF;
*p++ = (2 >> 8) & 0xFF;
*p++ = (2 >> 16) & 0xFF;
*p++ = (2 >> 24) & 0xFF;
memcpy (p, &port, 2);
p += 2;
return 0;
}
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