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Diffstat (limited to 'crypto/heimdal/lib/krb5/address.c')
| -rw-r--r-- | crypto/heimdal/lib/krb5/address.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/krb5/address.c b/crypto/heimdal/lib/krb5/address.c new file mode 100644 index 0000000..8b0704f --- /dev/null +++ b/crypto/heimdal/lib/krb5/address.c @@ -0,0 +1,197 @@ +/* + * 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: address.c,v 1.14 1999/12/02 17:05:07 joda 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) + 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_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) + return ENOMEM; + (*res)->addr_type = KRB5_ADDRESS_ADDRPORT; + ret = krb5_data_alloc (&(*res)->address, len); + if (ret) { + 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; +} |
