1 /* 2 * Copyright (c) 1997-2001 Kungliga Tekniska H�gskolan 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 "kadm5_locl.h" 35 36 RCSID("$Id: chpass_s.c,v 1.13 2001/01/30 01:24:28 assar Exp $"); 37 38 static kadm5_ret_t 39 change(void *server_handle, 40 krb5_principal princ, 41 char *password, 42 int cond) 43 { 44 kadm5_server_context *context = server_handle; 45 hdb_entry ent; 46 kadm5_ret_t ret; 47 Key *keys; 48 size_t num_keys; 49 int cmp = 1; 50 51 ent.principal = princ; 52 ret = context->db->open(context->context, context->db, O_RDWR, 0); 53 if(ret) 54 return ret; 55 ret = context->db->fetch(context->context, context->db, 56 0, &ent); 57 if(ret == HDB_ERR_NOENTRY) 58 goto out; 59 60 num_keys = ent.keys.len; 61 keys = ent.keys.val; 62 63 ent.keys.len = 0; 64 ent.keys.val = NULL; 65 66 ret = _kadm5_set_keys(context, &ent, password); 67 if(ret) { 68 _kadm5_free_keys (server_handle, num_keys, keys); 69 goto out2; 70 } 71 if (cond) 72 cmp = _kadm5_cmp_keys (ent.keys.val, ent.keys.len, 73 keys, num_keys); 74 _kadm5_free_keys (server_handle, num_keys, keys); 75 76 if (cmp == 0) 77 goto out2; 78 79 ret = _kadm5_set_modifier(context, &ent); 80 if(ret) 81 goto out2; 82 83 ret = _kadm5_bump_pw_expire(context, &ent); 84 if (ret) 85 goto out2; 86 87 ret = hdb_seal_keys(context->context, context->db, &ent); 88 if (ret) 89 goto out2; 90 91 kadm5_log_modify (context, 92 &ent, 93 KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME | 94 KADM5_KEY_DATA | KADM5_KVNO | KADM5_PW_EXPIRATION); 95 96 ret = context->db->store(context->context, context->db, 97 HDB_F_REPLACE, &ent); 98 out2: 99 hdb_free_entry(context->context, &ent); 100 out: 101 context->db->close(context->context, context->db); 102 return _kadm5_error_code(ret); 103 } 104 105 106 107 /* 108 * change the password of `princ' to `password' if it's not already that. 109 */ 110 111 kadm5_ret_t 112 kadm5_s_chpass_principal_cond(void *server_handle, 113 krb5_principal princ, 114 char *password) 115 { 116 return change (server_handle, princ, password, 1); 117 } 118 119 /* 120 * change the password of `princ' to `password' 121 */ 122 123 kadm5_ret_t 124 kadm5_s_chpass_principal(void *server_handle, 125 krb5_principal princ, 126 char *password) 127 { 128 return change (server_handle, princ, password, 0); 129 } 130 131 /* 132 * change keys for `princ' to `keys' 133 */ 134 135 kadm5_ret_t 136 kadm5_s_chpass_principal_with_key(void *server_handle, 137 krb5_principal princ, 138 int n_key_data, 139 krb5_key_data *key_data) 140 { 141 kadm5_server_context *context = server_handle; 142 hdb_entry ent; 143 kadm5_ret_t ret; 144 ent.principal = princ; 145 ret = context->db->open(context->context, context->db, O_RDWR, 0); 146 if(ret) 147 return ret; 148 ret = context->db->fetch(context->context, context->db, 0, &ent); 149 if(ret == HDB_ERR_NOENTRY) 150 goto out; 151 ret = _kadm5_set_keys2(context, &ent, n_key_data, key_data); 152 if(ret) 153 goto out2; 154 ret = _kadm5_set_modifier(context, &ent); 155 if(ret) 156 goto out2; 157 ret = _kadm5_bump_pw_expire(context, &ent); 158 if (ret) 159 goto out2; 160 161 ret = hdb_seal_keys(context->context, context->db, &ent); 162 if (ret) 163 goto out2; 164 165 kadm5_log_modify (context, 166 &ent, 167 KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME | 168 KADM5_KEY_DATA | KADM5_KVNO | KADM5_PW_EXPIRATION); 169 170 ret = context->db->store(context->context, context->db, 171 HDB_F_REPLACE, &ent); 172 out2: 173 hdb_free_entry(context->context, &ent); 174 out: 175 context->db->close(context->context, context->db); 176 return _kadm5_error_code(ret); 177 } 178