1 /* 2 * Copyright (c) 2005 - 2006 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 "hx_locl.h" 35 36 37 static int 38 null_init(hx509_context context, 39 hx509_certs certs, void **data, int flags, 40 const char *residue, hx509_lock lock) 41 { 42 *data = NULL; 43 return 0; 44 } 45 46 static int 47 null_free(hx509_certs certs, void *data) 48 { 49 assert(data == NULL); 50 return 0; 51 } 52 53 static int 54 null_iter_start(hx509_context context, 55 hx509_certs certs, void *data, void **cursor) 56 { 57 *cursor = NULL; 58 return 0; 59 } 60 61 static int 62 null_iter(hx509_context context, 63 hx509_certs certs, void *data, void *iter, hx509_cert *cert) 64 { 65 *cert = NULL; 66 return ENOENT; 67 } 68 69 static int 70 null_iter_end(hx509_context context, 71 hx509_certs certs, 72 void *data, 73 void *cursor) 74 { 75 assert(cursor == NULL); 76 return 0; 77 } 78 79 80 struct hx509_keyset_ops keyset_null = { 81 "NULL", 82 0, 83 null_init, 84 NULL, 85 null_free, 86 NULL, 87 NULL, 88 null_iter_start, 89 null_iter, 90 null_iter_end 91 }; 92 93 void 94 _hx509_ks_null_register(hx509_context context) 95 { 96 _hx509_ks_register(context, &keyset_null); 97 } 98