1 /* $NetBSD: randkey_s.c,v 1.2 2017/01/28 21:31:49 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1997-2001, 2003-2006 Kungliga Tekniska Högskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * 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 the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include "kadm5_locl.h" 37 38 __RCSID("$NetBSD: randkey_s.c,v 1.2 2017/01/28 21:31:49 christos Exp $"); 39 40 /* 41 * Set the keys of `princ' to random values, returning the random keys 42 * in `new_keys', `n_keys'. 43 */ 44 45 kadm5_ret_t 46 kadm5_s_randkey_principal(void *server_handle, 47 krb5_principal princ, 48 krb5_boolean keepold, 49 int n_ks_tuple, 50 krb5_key_salt_tuple *ks_tuple, 51 krb5_keyblock **new_keys, 52 int *n_keys) 53 { 54 kadm5_server_context *context = server_handle; 55 hdb_entry_ex ent; 56 kadm5_ret_t ret; 57 58 memset(&ent, 0, sizeof(ent)); 59 if (!context->keep_open) { 60 ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0); 61 if(ret) 62 return ret; 63 } 64 65 ret = kadm5_log_init(context); 66 if (ret) 67 goto out; 68 69 ret = context->db->hdb_fetch_kvno(context->context, context->db, princ, 70 HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent); 71 if(ret) 72 goto out2; 73 74 if (keepold) { 75 ret = hdb_add_current_keys_to_history(context->context, &ent.entry); 76 if (ret) 77 goto out3; 78 } 79 80 ret = _kadm5_set_keys_randomly(context, &ent.entry, n_ks_tuple, ks_tuple, 81 new_keys, n_keys); 82 if (ret) 83 goto out3; 84 ent.entry.kvno++; 85 86 ent.entry.flags.require_pwchange = 0; 87 88 ret = _kadm5_set_modifier(context, &ent.entry); 89 if(ret) 90 goto out4; 91 ret = _kadm5_bump_pw_expire(context, &ent.entry); 92 if (ret) 93 goto out4; 94 95 if (keepold) { 96 ret = hdb_seal_keys(context->context, context->db, &ent.entry); 97 if (ret) 98 goto out4; 99 } else { 100 HDB_extension ext; 101 102 memset(&ext, 0, sizeof (ext)); 103 ext.mandatory = FALSE; 104 ext.data.element = choice_HDB_extension_data_hist_keys; 105 ext.data.u.hist_keys.len = 0; 106 ext.data.u.hist_keys.val = NULL; 107 hdb_replace_extension(context->context, &ent.entry, &ext); 108 } 109 110 /* This logs the change for iprop and writes to the HDB */ 111 ret = kadm5_log_modify(context, &ent.entry, 112 KADM5_ATTRIBUTES | KADM5_PRINCIPAL | 113 KADM5_MOD_NAME | KADM5_MOD_TIME | 114 KADM5_KEY_DATA | KADM5_KVNO | 115 KADM5_PW_EXPIRATION | KADM5_TL_DATA); 116 117 out4: 118 if (ret) { 119 int i; 120 121 for (i = 0; i < *n_keys; ++i) 122 krb5_free_keyblock_contents(context->context, &(*new_keys)[i]); 123 free (*new_keys); 124 *new_keys = NULL; 125 *n_keys = 0; 126 } 127 out3: 128 hdb_free_entry(context->context, &ent); 129 out2: 130 (void) kadm5_log_end(context); 131 out: 132 if (!context->keep_open) { 133 kadm5_ret_t ret2; 134 ret2 = context->db->hdb_close(context->context, context->db); 135 if (ret == 0 && ret2 != 0) 136 ret = ret2; 137 } 138 return _kadm5_error_code(ret); 139 } 140