1 /* $NetBSD: ent_setup.c,v 1.1.1.1 2011/04/13 18:15:29 elric Exp $ */ 2 3 /* 4 * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Portions Copyright (c) 2009 Apple Inc. All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * 3. Neither the name of the Institute nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37 38 #include "kadm5_locl.h" 39 40 __RCSID("$NetBSD: ent_setup.c,v 1.1.1.1 2011/04/13 18:15:29 elric Exp $"); 41 42 #define set_value(X, V) do { if((X) == NULL) (X) = malloc(sizeof(*(X))); *(X) = V; } while(0) 43 #define set_null(X) do { if((X) != NULL) free((X)); (X) = NULL; } while (0) 44 45 static void 46 attr_to_flags(unsigned attr, HDBFlags *flags) 47 { 48 flags->postdate = !(attr & KRB5_KDB_DISALLOW_POSTDATED); 49 flags->forwardable = !(attr & KRB5_KDB_DISALLOW_FORWARDABLE); 50 flags->initial = !!(attr & KRB5_KDB_DISALLOW_TGT_BASED); 51 flags->renewable = !(attr & KRB5_KDB_DISALLOW_RENEWABLE); 52 flags->proxiable = !(attr & KRB5_KDB_DISALLOW_PROXIABLE); 53 /* DUP_SKEY */ 54 flags->invalid = !!(attr & KRB5_KDB_DISALLOW_ALL_TIX); 55 flags->require_preauth = !!(attr & KRB5_KDB_REQUIRES_PRE_AUTH); 56 /* HW_AUTH */ 57 flags->server = !(attr & KRB5_KDB_DISALLOW_SVR); 58 flags->change_pw = !!(attr & KRB5_KDB_PWCHANGE_SERVICE); 59 flags->client = 1; /* XXX */ 60 flags->ok_as_delegate = !!(attr & KRB5_KDB_OK_AS_DELEGATE); 61 flags->trusted_for_delegation = !!(attr & KRB5_KDB_TRUSTED_FOR_DELEGATION); 62 flags->allow_kerberos4 = !!(attr & KRB5_KDB_ALLOW_KERBEROS4); 63 flags->allow_digest = !!(attr & KRB5_KDB_ALLOW_DIGEST); 64 } 65 66 /* 67 * Modify the `ent' according to `tl_data'. 68 */ 69 70 static kadm5_ret_t 71 perform_tl_data(krb5_context context, 72 HDB *db, 73 hdb_entry_ex *ent, 74 const krb5_tl_data *tl_data) 75 { 76 kadm5_ret_t ret = 0; 77 78 if (tl_data->tl_data_type == KRB5_TL_PASSWORD) { 79 heim_utf8_string pw = tl_data->tl_data_contents; 80 81 if (pw[tl_data->tl_data_length] != '\0') 82 return KADM5_BAD_TL_TYPE; 83 84 ret = hdb_entry_set_password(context, db, &ent->entry, pw); 85 86 } else if (tl_data->tl_data_type == KRB5_TL_LAST_PWD_CHANGE) { 87 unsigned char *s; 88 time_t t; 89 90 if (tl_data->tl_data_length != 4) 91 return KADM5_BAD_TL_TYPE; 92 93 s = tl_data->tl_data_contents; 94 95 t = s[0] | (s[1] << 8) | (s[2] << 16) | (s[3] << 24); 96 97 ret = hdb_entry_set_pw_change_time(context, &ent->entry, t); 98 99 } else if (tl_data->tl_data_type == KRB5_TL_EXTENSION) { 100 HDB_extension ext; 101 102 ret = decode_HDB_extension(tl_data->tl_data_contents, 103 tl_data->tl_data_length, 104 &ext, 105 NULL); 106 if (ret) 107 return KADM5_BAD_TL_TYPE; 108 109 ret = hdb_replace_extension(context, &ent->entry, &ext); 110 free_HDB_extension(&ext); 111 } else { 112 return KADM5_BAD_TL_TYPE; 113 } 114 return ret; 115 } 116 117 static void 118 default_flags(hdb_entry_ex *ent, int server) 119 { 120 ent->entry.flags.client = 1; 121 ent->entry.flags.server = !!server; 122 ent->entry.flags.forwardable = 1; 123 ent->entry.flags.proxiable = 1; 124 ent->entry.flags.renewable = 1; 125 ent->entry.flags.postdate = 1; 126 } 127 128 129 /* 130 * Create the hdb entry `ent' based on data from `princ' with 131 * `princ_mask' specifying what fields to be gotten from there and 132 * `mask' specifying what fields we want filled in. 133 */ 134 135 kadm5_ret_t 136 _kadm5_setup_entry(kadm5_server_context *context, 137 hdb_entry_ex *ent, 138 uint32_t mask, 139 kadm5_principal_ent_t princ, 140 uint32_t princ_mask, 141 kadm5_principal_ent_t def, 142 uint32_t def_mask) 143 { 144 if(mask & KADM5_PRINC_EXPIRE_TIME 145 && princ_mask & KADM5_PRINC_EXPIRE_TIME) { 146 if (princ->princ_expire_time) 147 set_value(ent->entry.valid_end, princ->princ_expire_time); 148 else 149 set_null(ent->entry.valid_end); 150 } 151 if(mask & KADM5_PW_EXPIRATION 152 && princ_mask & KADM5_PW_EXPIRATION) { 153 if (princ->pw_expiration) 154 set_value(ent->entry.pw_end, princ->pw_expiration); 155 else 156 set_null(ent->entry.pw_end); 157 } 158 if(mask & KADM5_ATTRIBUTES) { 159 if (princ_mask & KADM5_ATTRIBUTES) { 160 attr_to_flags(princ->attributes, &ent->entry.flags); 161 } else if(def_mask & KADM5_ATTRIBUTES) { 162 attr_to_flags(def->attributes, &ent->entry.flags); 163 ent->entry.flags.invalid = 0; 164 } else { 165 default_flags(ent, 1); 166 } 167 } 168 169 if(mask & KADM5_MAX_LIFE) { 170 if(princ_mask & KADM5_MAX_LIFE) { 171 if(princ->max_life) 172 set_value(ent->entry.max_life, princ->max_life); 173 else 174 set_null(ent->entry.max_life); 175 } else if(def_mask & KADM5_MAX_LIFE) { 176 if(def->max_life) 177 set_value(ent->entry.max_life, def->max_life); 178 else 179 set_null(ent->entry.max_life); 180 } 181 } 182 if(mask & KADM5_KVNO 183 && princ_mask & KADM5_KVNO) 184 ent->entry.kvno = princ->kvno; 185 if(mask & KADM5_MAX_RLIFE) { 186 if(princ_mask & KADM5_MAX_RLIFE) { 187 if(princ->max_renewable_life) 188 set_value(ent->entry.max_renew, princ->max_renewable_life); 189 else 190 set_null(ent->entry.max_renew); 191 } else if(def_mask & KADM5_MAX_RLIFE) { 192 if(def->max_renewable_life) 193 set_value(ent->entry.max_renew, def->max_renewable_life); 194 else 195 set_null(ent->entry.max_renew); 196 } 197 } 198 if(mask & KADM5_KEY_DATA 199 && princ_mask & KADM5_KEY_DATA) { 200 _kadm5_set_keys2(context, &ent->entry, 201 princ->n_key_data, princ->key_data); 202 } 203 if(mask & KADM5_TL_DATA) { 204 krb5_tl_data *tl; 205 206 for (tl = princ->tl_data; tl != NULL; tl = tl->tl_data_next) { 207 kadm5_ret_t ret; 208 ret = perform_tl_data(context->context, context->db, ent, tl); 209 if (ret) 210 return ret; 211 } 212 } 213 if(mask & KADM5_FAIL_AUTH_COUNT) { 214 /* XXX */ 215 } 216 return 0; 217 } 218