crypto/heimdal-0.6.3/kadmin/ank.c

   1 /*
   2  * Copyright (c) 1997-2002 Kungliga Tekniska Högskolan
   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 1.25 2002/12/03 14:11:24 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                    int use_defaults,
  71                    char *password,
  72                    krb5_key_data *key_data,
  73                    const char *max_ticket_life,
  74                    const char *max_renewable_life,
  75                    const char *attributes,
  76                    const char *expiration,
  77                    const char *pw_expiration)
  78 {
  79     krb5_error_code ret;
  80     kadm5_principal_ent_rec princ, defrec;
  81     kadm5_principal_ent_rec *default_ent = NULL;
  82     krb5_principal princ_ent = NULL;
  83     int mask = 0;
  84     int default_mask = 0;
  85     char pwbuf[1024];
  86
  87     memset(&princ, 0, sizeof(princ));
  88     ret = krb5_parse_name(context, name, &princ_ent);
  89     if (ret) {
  90         krb5_warn(context, ret, "krb5_parse_name");
  91         return ret;
  92     }
  93     princ.principal = princ_ent;
  94     mask |= KADM5_PRINCIPAL;
  95
  96     ret = set_entry(context, &princ, &mask,
  97                     max_ticket_life, max_renewable_life,
  98                     expiration, pw_expiration, attributes);
  99     if (ret)
 100         goto out;
 101
 102     default_ent = &defrec;
 103     ret = get_default (kadm_handle, princ_ent, default_ent);
 104     if (ret) {
 105         default_ent  = NULL;
 106         default_mask = 0;
 107     } else {
 108         default_mask = KADM5_ATTRIBUTES | KADM5_MAX_LIFE | KADM5_MAX_RLIFE |
 109             KADM5_PRINC_EXPIRE_TIME | KADM5_PW_EXPIRATION;
 110     }
 111
 112     if(use_defaults)
 113         set_defaults(&princ, &mask, default_ent, default_mask);
 114     else
 115         if(edit_entry(&princ, &mask, default_ent, default_mask))
 116             goto out;
 117     if(rand_key || key_data) {
 118         princ.attributes |= KRB5_KDB_DISALLOW_ALL_TIX;
 119         mask |= KADM5_ATTRIBUTES;
 120         strlcpy (pwbuf, "hemlig", sizeof(pwbuf));
 121         password = pwbuf;
 122     } else if (rand_password) {
 123         random_password (pwbuf, sizeof(pwbuf));
 124         password = pwbuf;
 125     } else if(password == NULL) {
 126         char *princ_name;
 127         char *prompt;
 128
 129         krb5_unparse_name(context, princ_ent, &princ_name);
 130         asprintf (&prompt, "%s's Password: ", princ_name);
 131         free (princ_name);
 132         ret = des_read_pw_string (pwbuf, sizeof(pwbuf), prompt, 1);
 133         free (prompt);
 134         if (ret)
 135             goto out;
 136         password = pwbuf;
 137     }
 138
 139     ret = kadm5_create_principal(kadm_handle, &princ, mask, password);
 140     if(ret) {
 141         krb5_warn(context, ret, "kadm5_create_principal");
 142         goto out;
 143     }
 144     if(rand_key) {
 145         krb5_keyblock *new_keys;
 146         int n_keys, i;
 147         ret = kadm5_randkey_principal(kadm_handle, princ_ent,
 148                                       &new_keys, &n_keys);
 149         if(ret){
 150             krb5_warn(context, ret, "kadm5_randkey_principal");
 151             n_keys = 0;
 152         }
 153         for(i = 0; i < n_keys; i++)
 154             krb5_free_keyblock_contents(context, &new_keys[i]);
 155         if (n_keys > 0)
 156             free(new_keys);
 157         kadm5_get_principal(kadm_handle, princ_ent, &princ,
 158                             KADM5_PRINCIPAL | KADM5_KVNO | KADM5_ATTRIBUTES);
 159         princ.attributes &= (~KRB5_KDB_DISALLOW_ALL_TIX);
 160         princ.kvno = 1;
 161         kadm5_modify_principal(kadm_handle, &princ,
 162                                KADM5_ATTRIBUTES | KADM5_KVNO);
 163         kadm5_free_principal_ent(kadm_handle, &princ);
 164     } else if (key_data) {
 165         ret = kadm5_chpass_principal_with_key (kadm_handle, princ_ent,
 166                                                3, key_data);
 167         if (ret) {
 168             krb5_warn(context, ret, "kadm5_chpass_principal_with_key");
 169         }
 170         kadm5_get_principal(kadm_handle, princ_ent, &princ,
 171                             KADM5_PRINCIPAL | KADM5_ATTRIBUTES);
 172         princ.attributes &= (~KRB5_KDB_DISALLOW_ALL_TIX);
 173         kadm5_modify_principal(kadm_handle, &princ, KADM5_ATTRIBUTES);
 174         kadm5_free_principal_ent(kadm_handle, &princ);
 175     } else if (rand_password) {
 176         char *princ_name;
 177
 178         krb5_unparse_name(context, princ_ent, &princ_name);
 179         printf ("added %s with password `%s'\n", princ_name, password);
 180         free (princ_name);
 181     }
 182 out:
 183     if (princ_ent)
 184         krb5_free_principal (context, princ_ent);
 185     if(default_ent)
 186         kadm5_free_principal_ent (context, default_ent);
 187     if (password != NULL)
 188         memset (password, 0, strlen(password));
 189     return ret;
 190 }
 191
 192 /*
 193  * parse the string `key_string' into `key', returning 0 iff succesful.
 194  */
 195
 196 /*
 197  * the ank command
 198  */
 199
 200 static struct getargs args[] = {
 201     { "random-key",     'r',    arg_flag,       NULL, "set random key" },
 202     { "random-password", 0,     arg_flag,       NULL, "set random password" },
 203     { "password",       'p',    arg_string,     NULL, "princial's password" },
 204     { "key",            0,      arg_string,     NULL, "DES-key in hex" },
 205     { "max-ticket-life",  0,    arg_string,     NULL, "max ticket lifetime",
 206       "lifetime"},
 207     { "max-renewable-life",  0, arg_string,     NULL,
 208       "max renewable lifetime", "lifetime" },
 209     { "attributes",     0,      arg_string,     NULL, "principal attributes",
 210       "attributes"},
 211     { "expiration-time",0,      arg_string,     NULL, "expiration time",
 212       "time"},
 213     { "pw-expiration-time", 0,  arg_string,     NULL,
 214       "password expiration time", "time"},
 215     { "use-defaults",   0,      arg_flag,       NULL, "use default values" }
 216 };
 217
 218 static int num_args = sizeof(args) / sizeof(args[0]);
 219
 220 static void
 221 usage(void)
 222 {
 223     arg_printusage (args, num_args, "add", "principal...");
 224 }
 225
 226 /*
 227  * Parse arguments and add all the principals.
 228  */
 229
 230 int
 231 add_new_key(int argc, char **argv)
 232 {
 233     char *password = NULL;
 234     char *key = NULL;
 235     int random_key = 0;
 236     int random_password = 0;
 237     int optind = 0;
 238     krb5_error_code ret;
 239     char *max_ticket_life       = NULL;
 240     char *max_renewable_life    = NULL;
 241     char *attributes            = NULL;
 242     char *expiration            = NULL;
 243     char *pw_expiration         = NULL;
 244     int use_defaults = 0;
 245     int i;
 246     int num;
 247     krb5_key_data key_data[3];
 248     krb5_key_data *kdp = NULL;
 249
 250     args[0].value = &random_key;
 251     args[1].value = &random_password;
 252     args[2].value = &password;
 253     args[3].value = &key;
 254     args[4].value = &max_ticket_life;
 255     args[5].value = &max_renewable_life;
 256     args[6].value = &attributes;
 257     args[7].value = &expiration;
 258     args[8].value = &pw_expiration;
 259     args[9].value = &use_defaults;
 260
 261     if(getarg(args, num_args, argc, argv, &optind)) {
 262         usage ();
 263         return 0;
 264     }
 265     if(optind == argc) {
 266         usage ();
 267         return 0;
 268     }
 269
 270     num = 0;
 271     if (random_key)
 272         ++num;
 273     if (random_password)
 274         ++num;
 275     if (password)
 276         ++num;
 277     if (key)
 278         ++num;
 279
 280     if (num > 1) {
 281         printf ("give only one of "
 282                 "--random-key, --random-password, --password, --key\n");
 283         return 0;
 284     }
 285
 286     if (key) {
 287         const char *error;
 288
 289         if (parse_des_key (key, key_data, &error)) {
 290             printf ("failed parsing key `%s': %s\n", key, error);
 291             return 0;
 292         }
 293         kdp = key_data;
 294     }
 295
 296     for (i = optind; i < argc; ++i) {
 297         ret = add_one_principal (argv[i], random_key, random_password,
 298                                  use_defaults,
 299                                  password,
 300                                  kdp,
 301                                  max_ticket_life,
 302                                  max_renewable_life,
 303                                  attributes,
 304                                  expiration,
 305                                  pw_expiration);
 306         if (ret) {
 307             krb5_warn (context, ret, "adding %s", argv[i]);
 308             break;
 309         }
 310     }
 311     if (kdp) {
 312         int16_t dummy = 3;
 313         kadm5_free_key_data (kadm_handle, &dummy, key_data);
 314     }
 315     return 0;
 316 }