release/src/router/dhcpv6/auth.h

   1 /*      $KAME: auth.h,v 1.3 2004/09/07 05:03:02 jinmei Exp $    */
   2
   3 /*
   4  * Copyright (C) 2004 WIDE Project.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #ifdef __sun__
  33 #define __P(x)  x
  34 #ifndef U_INT32_T_DEFINED
  35 #define U_INT32_T_DEFINED
  36 typedef uint32_t u_int32_t;
  37 #endif
  38 #endif
  39
  40 #define MD5_DIGESTLENGTH 16
  41
  42 /* secret key information for delayed authentication */
  43 struct keyinfo {
  44         struct keyinfo *next;
  45
  46         char *name;             /* key name */
  47
  48         char *realm;            /* DHCP realm */
  49         size_t realmlen;        /* length of realm */
  50         u_int32_t keyid;        /* key ID */
  51         char *secret;           /* binary key */
  52         size_t secretlen;       /* length of the key */
  53         time_t expire;          /* expiration time (0 means forever) */
  54 };
  55
  56 extern int dhcp6_validate_key __P((struct keyinfo *));
  57 extern int dhcp6_calc_mac __P((char *, size_t, int, int, size_t,
  58     struct keyinfo *));
  59 extern int dhcp6_verify_mac __P((char *, ssize_t, int, int, size_t,
  60     struct keyinfo *));