ent_setup.c revision 178825
1/* 2 * Copyright (c) 1997 - 2000 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 36RCSID("$Id: ent_setup.c 18823 2006-10-22 10:15:53Z lha $"); 37 38#define set_value(X, V) do { if((X) == NULL) (X) = malloc(sizeof(*(X))); *(X) = V; } while(0) 39#define set_null(X) do { if((X) != NULL) free((X)); (X) = NULL; } while (0) 40 41static void 42attr_to_flags(unsigned attr, HDBFlags *flags) 43{ 44 flags->postdate = !(attr & KRB5_KDB_DISALLOW_POSTDATED); 45 flags->forwardable = !(attr & KRB5_KDB_DISALLOW_FORWARDABLE); 46 flags->initial = !!(attr & KRB5_KDB_DISALLOW_TGT_BASED); 47 flags->renewable = !(attr & KRB5_KDB_DISALLOW_RENEWABLE); 48 flags->proxiable = !(attr & KRB5_KDB_DISALLOW_PROXIABLE); 49 /* DUP_SKEY */ 50 flags->invalid = !!(attr & KRB5_KDB_DISALLOW_ALL_TIX); 51 flags->require_preauth = !!(attr & KRB5_KDB_REQUIRES_PRE_AUTH); 52 /* HW_AUTH */ 53 flags->server = !(attr & KRB5_KDB_DISALLOW_SVR); 54 flags->change_pw = !!(attr & KRB5_KDB_PWCHANGE_SERVICE); 55 flags->client = 1; /* XXX */ 56 flags->ok_as_delegate = !!(attr & KRB5_KDB_OK_AS_DELEGATE); 57 flags->trusted_for_delegation = !!(attr & KRB5_KDB_TRUSTED_FOR_DELEGATION); 58 flags->allow_kerberos4 = !!(attr & KRB5_KDB_ALLOW_KERBEROS4); 59 flags->allow_digest = !!(attr & KRB5_KDB_ALLOW_DIGEST); 60} 61 62/* 63 * Modify the `ent' according to `tl_data'. 64 */ 65 66static kadm5_ret_t 67perform_tl_data(krb5_context context, 68 HDB *db, 69 hdb_entry_ex *ent, 70 const krb5_tl_data *tl_data) 71{ 72 kadm5_ret_t ret = 0; 73 74 if (tl_data->tl_data_type == KRB5_TL_PASSWORD) { 75 heim_utf8_string pw = tl_data->tl_data_contents; 76 77 if (pw[tl_data->tl_data_length] != '\0') 78 return KADM5_BAD_TL_TYPE; 79 80 ret = hdb_entry_set_password(context, db, &ent->entry, pw); 81 82 } else if (tl_data->tl_data_type == KRB5_TL_LAST_PWD_CHANGE) { 83 unsigned char *s; 84 time_t t; 85 86 if (tl_data->tl_data_length != 4) 87 return KADM5_BAD_TL_TYPE; 88 89 s = tl_data->tl_data_contents; 90 91 t = s[0] | (s[1] << 8) | (s[2] << 16) | (s[3] << 24); 92 93 ret = hdb_entry_set_pw_change_time(context, &ent->entry, t); 94 95 } else if (tl_data->tl_data_type == KRB5_TL_EXTENSION) { 96 HDB_extension ext; 97 98 ret = decode_HDB_extension(tl_data->tl_data_contents, 99 tl_data->tl_data_length, 100 &ext, 101 NULL); 102 if (ret) 103 return KADM5_BAD_TL_TYPE; 104 105 ret = hdb_replace_extension(context, &ent->entry, &ext); 106 free_HDB_extension(&ext); 107 } else { 108 return KADM5_BAD_TL_TYPE; 109 } 110 return ret; 111} 112 113 114/* 115 * Create the hdb entry `ent' based on data from `princ' with 116 * `princ_mask' specifying what fields to be gotten from there and 117 * `mask' specifying what fields we want filled in. 118 */ 119 120kadm5_ret_t 121_kadm5_setup_entry(kadm5_server_context *context, 122 hdb_entry_ex *ent, 123 uint32_t mask, 124 kadm5_principal_ent_t princ, 125 uint32_t princ_mask, 126 kadm5_principal_ent_t def, 127 uint32_t def_mask) 128{ 129 if(mask & KADM5_PRINC_EXPIRE_TIME 130 && princ_mask & KADM5_PRINC_EXPIRE_TIME) { 131 if (princ->princ_expire_time) 132 set_value(ent->entry.valid_end, princ->princ_expire_time); 133 else 134 set_null(ent->entry.valid_end); 135 } 136 if(mask & KADM5_PW_EXPIRATION 137 && princ_mask & KADM5_PW_EXPIRATION) { 138 if (princ->pw_expiration) 139 set_value(ent->entry.pw_end, princ->pw_expiration); 140 else 141 set_null(ent->entry.pw_end); 142 } 143 if(mask & KADM5_ATTRIBUTES) { 144 if (princ_mask & KADM5_ATTRIBUTES) { 145 attr_to_flags(princ->attributes, &ent->entry.flags); 146 } else if(def_mask & KADM5_ATTRIBUTES) { 147 attr_to_flags(def->attributes, &ent->entry.flags); 148 ent->entry.flags.invalid = 0; 149 } else { 150 ent->entry.flags.client = 1; 151 ent->entry.flags.server = 1; 152 ent->entry.flags.forwardable = 1; 153 ent->entry.flags.proxiable = 1; 154 ent->entry.flags.renewable = 1; 155 ent->entry.flags.postdate = 1; 156 } 157 } 158 if(mask & KADM5_MAX_LIFE) { 159 if(princ_mask & KADM5_MAX_LIFE) { 160 if(princ->max_life) 161 set_value(ent->entry.max_life, princ->max_life); 162 else 163 set_null(ent->entry.max_life); 164 } else if(def_mask & KADM5_MAX_LIFE) { 165 if(def->max_life) 166 set_value(ent->entry.max_life, def->max_life); 167 else 168 set_null(ent->entry.max_life); 169 } 170 } 171 if(mask & KADM5_KVNO 172 && princ_mask & KADM5_KVNO) 173 ent->entry.kvno = princ->kvno; 174 if(mask & KADM5_MAX_RLIFE) { 175 if(princ_mask & KADM5_MAX_RLIFE) { 176 if(princ->max_renewable_life) 177 set_value(ent->entry.max_renew, princ->max_renewable_life); 178 else 179 set_null(ent->entry.max_renew); 180 } else if(def_mask & KADM5_MAX_RLIFE) { 181 if(def->max_renewable_life) 182 set_value(ent->entry.max_renew, def->max_renewable_life); 183 else 184 set_null(ent->entry.max_renew); 185 } 186 } 187 if(mask & KADM5_KEY_DATA 188 && princ_mask & KADM5_KEY_DATA) { 189 _kadm5_set_keys2(context, &ent->entry, 190 princ->n_key_data, princ->key_data); 191 } 192 if(mask & KADM5_TL_DATA) { 193 krb5_tl_data *tl; 194 195 for (tl = princ->tl_data; tl != NULL; tl = tl->tl_data_next) { 196 kadm5_ret_t ret; 197 ret = perform_tl_data(context->context, context->db, ent, tl); 198 if (ret) 199 return ret; 200 } 201 } 202 if(mask & KADM5_FAIL_AUTH_COUNT) { 203 /* XXX */ 204 } 205 return 0; 206} 207