1 /* 2 * Copyright (c) 1997 - 1999 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 1.19 1999/12/02 17:04:57 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 const char *max_ticket_life, 72 const char *max_renewable_life, 73 const char *attributes, 74 const char *expiration, 75 const char *pw_expiration) 76 { 77 krb5_error_code ret; 78 kadm5_principal_ent_rec princ, defrec; 79 kadm5_principal_ent_rec *default_ent = NULL; 80 krb5_principal princ_ent = NULL; 81 int mask = 0; 82 int default_mask = 0; 83 char pwbuf[1024]; 84 85 memset(&princ, 0, sizeof(princ)); 86 ret = krb5_parse_name(context, name, &princ_ent); 87 if (ret) { 88 krb5_warn(context, ret, "krb5_parse_name"); 89 return ret; 90 } 91 princ.principal = princ_ent; 92 mask |= KADM5_PRINCIPAL; 93 94 ret = set_entry(context, &princ, &mask, 95 max_ticket_life, max_renewable_life, 96 expiration, pw_expiration, attributes); 97 if (ret) 98 goto out; 99 100 default_ent = &defrec; 101 ret = get_default (kadm_handle, princ_ent, default_ent); 102 if (ret) { 103 default_ent = NULL; 104 default_mask = 0; 105 } else { 106 default_mask = KADM5_ATTRIBUTES | KADM5_MAX_LIFE | KADM5_MAX_RLIFE | 107 KADM5_PRINC_EXPIRE_TIME | KADM5_PW_EXPIRATION; 108 } 109 110 edit_entry(&princ, &mask, default_ent, default_mask); 111 if(rand_key) { 112 princ.attributes |= KRB5_KDB_DISALLOW_ALL_TIX; 113 mask |= KADM5_ATTRIBUTES; 114 strlcpy (pwbuf, "hemlig", sizeof(pwbuf)); 115 password = pwbuf; 116 } else if (rand_password) { 117 random_password (pwbuf, sizeof(pwbuf)); 118 password = pwbuf; 119 } else if(password == NULL) { 120 char *princ_name; 121 char *prompt; 122 123 krb5_unparse_name(context, princ_ent, &princ_name); 124 asprintf (&prompt, "%s's Password: ", princ_name); 125 free (princ_name); 126 ret = des_read_pw_string (pwbuf, sizeof(pwbuf), prompt, 1); 127 free (prompt); 128 if (ret) 129 goto out; 130 password = pwbuf; 131 } 132 133 ret = kadm5_create_principal(kadm_handle, &princ, mask, password); 134 if(ret) 135 krb5_warn(context, ret, "kadm5_create_principal"); 136 if(rand_key) { 137 krb5_keyblock *new_keys; 138 int n_keys, i; 139 ret = kadm5_randkey_principal(kadm_handle, princ_ent, 140 &new_keys, &n_keys); 141 if(ret){ 142 krb5_warn(context, ret, "kadm5_randkey_principal"); 143 n_keys = 0; 144 } 145 for(i = 0; i < n_keys; i++) 146 krb5_free_keyblock_contents(context, &new_keys[i]); 147 free(new_keys); 148 kadm5_get_principal(kadm_handle, princ_ent, &princ, 149 KADM5_PRINCIPAL | KADM5_KVNO | KADM5_ATTRIBUTES); 150 princ.attributes &= (~KRB5_KDB_DISALLOW_ALL_TIX); 151 princ.kvno = 1; 152 kadm5_modify_principal(kadm_handle, &princ, 153 KADM5_ATTRIBUTES | KADM5_KVNO); 154 kadm5_free_principal_ent(kadm_handle, &princ); 155 } else if (rand_password) { 156 char *princ_name; 157 158 krb5_unparse_name(context, princ_ent, &princ_name); 159 printf ("added %s with password `%s'\n", princ_name, password); 160 free (princ_name); 161 } 162 out: 163 if (princ_ent) 164 krb5_free_principal (context, princ_ent); 165 if(default_ent) 166 kadm5_free_principal_ent (context, default_ent); 167 if (password != NULL) 168 memset (password, 0, strlen(password)); 169 return ret; 170 } 171 172 /* 173 * the ank command 174 */ 175 176 static struct getargs args[] = { 177 { "random-key", 'r', arg_flag, NULL, "set random key" }, 178 { "random-password", 0, arg_flag, NULL, "set random password" }, 179 { "password", 'p', arg_string, NULL, "princial's password" }, 180 { "max-ticket-life", 0, arg_string, NULL, "max ticket lifetime", 181 "lifetime"}, 182 { "max-renewable-life", 0, arg_string, NULL, 183 "max renewable lifetime", "lifetime" }, 184 { "attributes", 0, arg_string, NULL, "principal attributes", 185 "attributes"}, 186 { "expiration-time",0, arg_string, NULL, "Expiration time", 187 "time"}, 188 { "pw-expiration-time", 0, arg_string, NULL, 189 "Password expiration time", "time"} 190 }; 191 192 static int num_args = sizeof(args) / sizeof(args[0]); 193 194 static void 195 usage(void) 196 { 197 arg_printusage (args, num_args, "ank", "principal"); 198 } 199 200 /* 201 * Parse arguments and add all the principals. 202 */ 203 204 int 205 add_new_key(int argc, char **argv) 206 { 207 char *password = NULL; 208 int random_key = 0; 209 int random_password = 0; 210 int optind = 0; 211 krb5_error_code ret; 212 char *max_ticket_life = NULL; 213 char *max_renewable_life = NULL; 214 char *attributes = NULL; 215 char *expiration = NULL; 216 char *pw_expiration = NULL; 217 int i; 218 int num; 219 220 args[0].value = &random_key; 221 args[1].value = &random_password; 222 args[2].value = &password; 223 args[3].value = &max_ticket_life; 224 args[4].value = &max_renewable_life; 225 args[5].value = &attributes; 226 args[6].value = &expiration; 227 args[7].value = &pw_expiration; 228 229 if(getarg(args, num_args, argc, argv, &optind)) { 230 usage (); 231 return 0; 232 } 233 if(optind == argc) { 234 usage (); 235 return 0; 236 } 237 238 num = 0; 239 if (random_key) 240 ++num; 241 if (random_password) 242 ++num; 243 if (password) 244 ++num; 245 246 if (num > 1) { 247 printf ("give only one of " 248 "--random-key, --random-password, --password\n"); 249 return 0; 250 } 251 252 for (i = optind; i < argc; ++i) { 253 ret = add_one_principal (argv[i], random_key, random_password, 254 password, 255 max_ticket_life, 256 max_renewable_life, 257 attributes, 258 expiration, 259 pw_expiration); 260 if (ret) { 261 krb5_warn (context, ret, "adding %s", argv[i]); 262 break; 263 } 264 } 265 return 0; 266 } 267