1/* 2 * Copyright (c) 2008 Kungliga Tekniska Högskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Portions Copyright (c) 2009 - 2010 Apple Inc. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of KTH nor the names of its contributors may be 20 * used to endorse or promote products derived from this software without 21 * specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY 24 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE 27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36#include "config.h" 37 38#include <stdio.h> 39#include <stdlib.h> 40#include <string.h> 41#include <errno.h> 42 43#include <krb5-types.h> 44 45#include <wind.h> 46#include <roken.h> 47#include <base64.h> 48 49#include <heimbase.h> 50 51#include "heimscram.h" 52#include "crypto-headers.h" 53 54#ifndef __APPLE_TARGET_EMBEDDED__ 55#include <CommonCrypto/CommonKeyDerivation.h> 56#endif 57 58 59struct heim_scram_pair { 60 char type; 61 heim_scram_data data; 62}; 63 64struct heim_scram_pairs { 65 int flags; 66#define SCRAM_PAIR_ALLOCATED 1 67#define SCRAM_ARRAY_ALLOCATED 2 68#define SCRAM_BINDINGS_YES 4 69#define SCRAM_BINDINGS_NO 8 70 struct heim_scram_pair *val; 71 size_t len; 72}; 73 74typedef struct heim_scram_pairs heim_scram_pairs; 75 76struct heim_scram { 77 struct heim_scram_method_desc *method; 78 enum { CLIENT, SERVER } type; 79 heim_scram_data client1; 80 heim_scram_data server1; 81 /* generated */ 82 heim_scram_data nonce; 83 84 /* server */ 85 struct heim_scram_server *server; 86 void *ctx; 87 88 heim_scram_data user; 89 90 /* output */ 91 heim_scram_data ClientProof; 92 heim_scram_data ServerSignature; 93 heim_scram_data SessionKey; 94}; 95 96#include "heimscram-protos.h" 97 98int 99_heim_scram_parse(heim_scram_data *data, heim_scram_pairs **pd); 100 101int 102_heim_scram_unparse ( 103 heim_scram_pairs */*d*/, 104 heim_scram_data */*out*/); 105 106void 107_heim_scram_pairs_free (heim_scram_pairs */*d*/); 108