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 "kadmin_locl.h" 35 36 RCSID("$Id: ank.c,v 1.21 2000/09/10 19:16:39 joda Exp $"); 37 38 /* 39 * fetch the default principal corresponding to `princ' 40 */ 41 42 static krb5_error_code 43 get_default (kadm5_server_context *context, 44 krb5_principal princ, 45 kadm5_principal_ent_t default_ent) 46 { 47 krb5_error_code ret; 48 krb5_principal def_principal; 49 krb5_realm *realm = krb5_princ_realm(context->context, princ); 50 51 ret = krb5_make_principal (context->context, &def_principal, 52 *realm, "default", NULL); 53 if (ret) 54 return ret; 55 ret = kadm5_get_principal (context, def_principal, default_ent, 56 KADM5_PRINCIPAL_NORMAL_MASK); 57 krb5_free_principal (context->context, def_principal); 58 return ret; 59 } 60 61 /* 62 * Add the principal `name' to the database. 63 * Prompt for all data not given by the input parameters. 64 */ 65 66 static krb5_error_code 67 add_one_principal (const char *name, 68 int rand_key, 69 int rand_password, 70 char *password, 71 krb5_key_data *key_data, 72 const char *max_ticket_life, 73 const char *max_renewable_life, 74 const char *attributes, 75 const char *expiration, 76 const char *pw_expiration) 77 { 78 krb5_error_code ret; 79 kadm5_principal_ent_rec princ, defrec; 80 kadm5_principal_ent_rec *default_ent = NULL; 81 krb5_principal princ_ent = NULL; 82 int mask = 0; 83 int default_mask = 0; 84 char pwbuf[1024]; 85 86 memset(&princ, 0, sizeof(princ)); 87 ret = krb5_parse_name(context, name, &princ_ent); 88 if (ret) { 89 krb5_warn(context, ret, "krb5_parse_name"); 90 return ret; 91 } 92 princ.principal = princ_ent; 93 mask |= KADM5_PRINCIPAL; 94 95 ret = set_entry(context, &princ, &mask, 96 max_ticket_life, max_renewable_life, 97 expiration, pw_expiration, attributes); 98 if (ret) 99 goto out; 100 101 default_ent = &defrec; 102 ret = get_default (kadm_handle, princ_ent, default_ent); 103 if (ret) { 104 default_ent = NULL; 105 default_mask = 0; 106 } else { 107 default_mask = KADM5_ATTRIBUTES | KADM5_MAX_LIFE | KADM5_MAX_RLIFE | 108 KADM5_PRINC_EXPIRE_TIME | KADM5_PW_EXPIRATION; 109 } 110 111 edit_entry(&princ, &mask, default_ent, default_mask); 112 if(rand_key || key_data) { 113 princ.attributes |= KRB5_KDB_DISALLOW_ALL_TIX; 114 mask |= KADM5_ATTRIBUTES; 115 strlcpy (pwbuf, "hemlig", sizeof(pwbuf)); 116 password = pwbuf; 117 } else if (rand_password) { 118 random_password (pwbuf, sizeof(pwbuf)); 119 password = pwbuf; 120 } else if(password == NULL) { 121 char *princ_name; 122 char *prompt; 123 124 krb5_unparse_name(context, princ_ent, &princ_name); 125 asprintf (&prompt, "%s's Password: ", princ_name); 126 free (princ_name); 127 ret = des_read_pw_string (pwbuf, sizeof(pwbuf), prompt, 1); 128 free (prompt); 129 if (ret) 130 goto out; 131 password = pwbuf; 132 } 133 134 ret = kadm5_create_principal(kadm_handle, &princ, mask, password); 135 if(ret) 136 krb5_warn(context, ret, "kadm5_create_principal"); 137 if(rand_key) { 138 krb5_keyblock *new_keys; 139 int n_keys, i; 140 ret = kadm5_randkey_principal(kadm_handle, princ_ent, 141 &new_keys, &n_keys); 142 if(ret){ 143 krb5_warn(context, ret, "kadm5_randkey_principal"); 144 n_keys = 0; 145 } 146 for(i = 0; i < n_keys; i++) 147 krb5_free_keyblock_contents(context, &new_keys[i]); 148 free(new_keys); 149 kadm5_get_principal(kadm_handle, princ_ent, &princ, 150 KADM5_PRINCIPAL | KADM5_KVNO | KADM5_ATTRIBUTES); 151 princ.attributes &= (~KRB5_KDB_DISALLOW_ALL_TIX); 152 princ.kvno = 1; 153 kadm5_modify_principal(kadm_handle, &princ, 154 KADM5_ATTRIBUTES | KADM5_KVNO); 155 kadm5_free_principal_ent(kadm_handle, &princ); 156 } else if (key_data) { 157 ret = kadm5_chpass_principal_with_key (kadm_handle, princ_ent, 158 3, key_data); 159 if (ret) { 160 krb5_warn(context, ret, "kadm5_chpass_principal_with_key"); 161 } 162 kadm5_get_principal(kadm_handle, princ_ent, &princ, 163 KADM5_PRINCIPAL | KADM5_ATTRIBUTES); 164 princ.attributes &= (~KRB5_KDB_DISALLOW_ALL_TIX); 165 kadm5_modify_principal(kadm_handle, &princ, KADM5_ATTRIBUTES); 166 kadm5_free_principal_ent(kadm_handle, &princ); 167 } else if (rand_password) { 168 char *princ_name; 169 170 krb5_unparse_name(context, princ_ent, &princ_name); 171 printf ("added %s with password `%s'\n", princ_name, password); 172 free (princ_name); 173 } 174 out: 175 if (princ_ent) 176 krb5_free_principal (context, princ_ent); 177 if(default_ent) 178 kadm5_free_principal_ent (context, default_ent); 179 if (password != NULL) 180 memset (password, 0, strlen(password)); 181 return ret; 182 } 183 184 /* 185 * parse the string `key_string' into `key', returning 0 iff succesful. 186 */ 187 188 /* 189 * the ank command 190 */ 191 192 static struct getargs args[] = { 193 { "random-key", 'r', arg_flag, NULL, "set random key" }, 194 { "random-password", 0, arg_flag, NULL, "set random password" }, 195 { "password", 'p', arg_string, NULL, "princial's password" }, 196 { "key", 0, arg_string, NULL, "DES-key in hex" }, 197 { "max-ticket-life", 0, arg_string, NULL, "max ticket lifetime", 198 "lifetime"}, 199 { "max-renewable-life", 0, arg_string, NULL, 200 "max renewable lifetime", "lifetime" }, 201 { "attributes", 0, arg_string, NULL, "principal attributes", 202 "attributes"}, 203 { "expiration-time",0, arg_string, NULL, "Expiration time", 204 "time"}, 205 { "pw-expiration-time", 0, arg_string, NULL, 206 "Password expiration time", "time"} 207 }; 208 209 static int num_args = sizeof(args) / sizeof(args[0]); 210 211 static void 212 usage(void) 213 { 214 arg_printusage (args, num_args, "add", "principal..."); 215 } 216 217 /* 218 * Parse arguments and add all the principals. 219 */ 220 221 int 222 add_new_key(int argc, char **argv) 223 { 224 char *password = NULL; 225 char *key = NULL; 226 int random_key = 0; 227 int random_password = 0; 228 int optind = 0; 229 krb5_error_code ret; 230 char *max_ticket_life = NULL; 231 char *max_renewable_life = NULL; 232 char *attributes = NULL; 233 char *expiration = NULL; 234 char *pw_expiration = NULL; 235 int i; 236 int num; 237 krb5_key_data key_data[3]; 238 krb5_key_data *kdp = NULL; 239 240 args[0].value = &random_key; 241 args[1].value = &random_password; 242 args[2].value = &password; 243 args[3].value = &key; 244 args[4].value = &max_ticket_life; 245 args[5].value = &max_renewable_life; 246 args[6].value = &attributes; 247 args[7].value = &expiration; 248 args[8].value = &pw_expiration; 249 250 if(getarg(args, num_args, argc, argv, &optind)) { 251 usage (); 252 return 0; 253 } 254 if(optind == argc) { 255 usage (); 256 return 0; 257 } 258 259 num = 0; 260 if (random_key) 261 ++num; 262 if (random_password) 263 ++num; 264 if (password) 265 ++num; 266 if (key) 267 ++num; 268 269 if (num > 1) { 270 printf ("give only one of " 271 "--random-key, --random-password, --password, --key\n"); 272 return 0; 273 } 274 275 if (key) { 276 const char *error; 277 278 if (parse_des_key (key, key_data, &error)) { 279 printf ("failed parsing key `%s': %s\n", key, error); 280 return 0; 281 } 282 kdp = key_data; 283 } 284 285 for (i = optind; i < argc; ++i) { 286 ret = add_one_principal (argv[i], random_key, random_password, 287 password, 288 kdp, 289 max_ticket_life, 290 max_renewable_life, 291 attributes, 292 expiration, 293 pw_expiration); 294 if (ret) { 295 krb5_warn (context, ret, "adding %s", argv[i]); 296 break; 297 } 298 } 299 if (kdp) { 300 int16_t dummy = 3; 301 kadm5_free_key_data (kadm_handle, &dummy, key_data); 302 } 303 return 0; 304 } 305