lib/gssapi/address_to_krb5addr.c

   1 /*
   2  * Copyright (c) 2000 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "gssapi_locl.h"
  35
  36 #include <roken.h>
  37
  38 krb5_error_code
  39 gss_address_to_krb5addr(OM_uint32 gss_addr_type,
  40                         gss_buffer_desc *gss_addr,
  41                         int16_t port,
  42                         krb5_address *address)
  43 {
  44    int addr_type;
  45    struct sockaddr sa;
  46    int sa_size = sizeof(sa);
  47    krb5_error_code problem;
  48
  49    if (gss_addr == NULL)
  50       return GSS_S_FAILURE;
  51
  52    switch (gss_addr_type) {
  53 #ifdef HAVE_IPV6
  54       case GSS_C_AF_INET6: addr_type = AF_INET6;
  55                            break;
  56 #endif /* HAVE_IPV6 */
  57
  58       case GSS_C_AF_INET:  addr_type = AF_INET;
  59                            break;
  60       default:
  61                            return GSS_S_FAILURE;
  62    }
  63
  64    problem = krb5_h_addr2sockaddr (addr_type,
  65                                    gss_addr->value,
  66                                    &sa,
  67                                    &sa_size,
  68                                    port);
  69    if (problem)
  70       return GSS_S_FAILURE;
  71
  72    problem = krb5_sockaddr2address (&sa, address);
  73
  74    return problem;
  75 }