265 lines
7.5 KiB
C
265 lines
7.5 KiB
C
/*
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* Copyright (c) 1997-2006 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "kadmin_locl.h"
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#include "kadmin-commands.h"
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/*
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* fetch the default principal corresponding to `princ'
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*/
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static krb5_error_code
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get_default (kadm5_server_context *contextp,
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krb5_principal princ,
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kadm5_principal_ent_t default_ent)
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{
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krb5_error_code ret;
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krb5_principal def_principal;
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krb5_const_realm realm = krb5_principal_get_realm(contextp->context, princ);
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ret = krb5_make_principal (contextp->context, &def_principal,
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realm, "default", NULL);
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if (ret)
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return ret;
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ret = kadm5_get_principal (contextp, def_principal, default_ent,
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KADM5_PRINCIPAL_NORMAL_MASK);
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krb5_free_principal (contextp->context, def_principal);
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return ret;
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}
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/*
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* Add the principal `name' to the database.
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* Prompt for all data not given by the input parameters.
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*/
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static krb5_error_code
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add_one_principal (const char *name,
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int rand_key,
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int rand_password,
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int use_defaults,
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char *password,
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krb5_key_data *key_data,
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const char *max_ticket_life,
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const char *max_renewable_life,
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const char *attributes,
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const char *expiration,
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const char *pw_expiration)
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{
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krb5_error_code ret;
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kadm5_principal_ent_rec princ, defrec;
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kadm5_principal_ent_rec *default_ent = NULL;
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krb5_principal princ_ent = NULL;
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int mask = 0;
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int default_mask = 0;
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char pwbuf[1024];
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memset(&princ, 0, sizeof(princ));
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ret = krb5_parse_name(context, name, &princ_ent);
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if (ret) {
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krb5_warn(context, ret, "krb5_parse_name");
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return ret;
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}
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princ.principal = princ_ent;
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mask |= KADM5_PRINCIPAL;
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ret = set_entry(context, &princ, &mask,
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max_ticket_life, max_renewable_life,
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expiration, pw_expiration, attributes);
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if (ret)
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goto out;
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default_ent = &defrec;
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ret = get_default (kadm_handle, princ_ent, default_ent);
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if (ret) {
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default_ent = NULL;
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default_mask = 0;
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} else {
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default_mask = KADM5_ATTRIBUTES | KADM5_MAX_LIFE | KADM5_MAX_RLIFE |
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KADM5_PRINC_EXPIRE_TIME | KADM5_PW_EXPIRATION;
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}
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if(use_defaults)
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set_defaults(&princ, &mask, default_ent, default_mask);
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else
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if(edit_entry(&princ, &mask, default_ent, default_mask))
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goto out;
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if(rand_key || key_data) {
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princ.attributes |= KRB5_KDB_DISALLOW_ALL_TIX;
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mask |= KADM5_ATTRIBUTES;
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random_password (pwbuf, sizeof(pwbuf));
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password = pwbuf;
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} else if (rand_password) {
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random_password (pwbuf, sizeof(pwbuf));
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password = pwbuf;
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} else if(password == NULL) {
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char *princ_name;
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char *prompt;
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krb5_unparse_name(context, princ_ent, &princ_name);
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asprintf (&prompt, "%s's Password: ", princ_name);
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free (princ_name);
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ret = UI_UTIL_read_pw_string (pwbuf, sizeof(pwbuf), prompt, 1);
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free (prompt);
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if (ret) {
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ret = KRB5_LIBOS_BADPWDMATCH;
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krb5_set_error_message(context, ret, "failed to verify password");
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goto out;
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}
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password = pwbuf;
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}
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ret = kadm5_create_principal(kadm_handle, &princ, mask, password);
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if(ret) {
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krb5_warn(context, ret, "kadm5_create_principal");
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goto out;
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}
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if(rand_key) {
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krb5_keyblock *new_keys;
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int n_keys, i;
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ret = kadm5_randkey_principal(kadm_handle, princ_ent,
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&new_keys, &n_keys);
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if(ret){
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krb5_warn(context, ret, "kadm5_randkey_principal");
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n_keys = 0;
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}
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for(i = 0; i < n_keys; i++)
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krb5_free_keyblock_contents(context, &new_keys[i]);
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if (n_keys > 0)
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free(new_keys);
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kadm5_get_principal(kadm_handle, princ_ent, &princ,
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KADM5_PRINCIPAL | KADM5_KVNO | KADM5_ATTRIBUTES);
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princ.attributes &= (~KRB5_KDB_DISALLOW_ALL_TIX);
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princ.kvno = 1;
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kadm5_modify_principal(kadm_handle, &princ,
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KADM5_ATTRIBUTES | KADM5_KVNO);
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kadm5_free_principal_ent(kadm_handle, &princ);
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} else if (key_data) {
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ret = kadm5_chpass_principal_with_key (kadm_handle, princ_ent,
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3, key_data);
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if (ret) {
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krb5_warn(context, ret, "kadm5_chpass_principal_with_key");
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}
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kadm5_get_principal(kadm_handle, princ_ent, &princ,
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KADM5_PRINCIPAL | KADM5_ATTRIBUTES);
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princ.attributes &= (~KRB5_KDB_DISALLOW_ALL_TIX);
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kadm5_modify_principal(kadm_handle, &princ, KADM5_ATTRIBUTES);
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kadm5_free_principal_ent(kadm_handle, &princ);
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} else if (rand_password) {
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char *princ_name;
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krb5_unparse_name(context, princ_ent, &princ_name);
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printf ("added %s with password \"%s\"\n", princ_name, password);
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free (princ_name);
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}
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out:
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if (princ_ent)
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krb5_free_principal (context, princ_ent);
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if(default_ent)
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kadm5_free_principal_ent (kadm_handle, default_ent);
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if (password != NULL)
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memset (password, 0, strlen(password));
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return ret;
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}
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/*
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* parse the string `key_string' into `key', returning 0 iff succesful.
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*/
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/*
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* the ank command
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*/
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/*
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* Parse arguments and add all the principals.
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*/
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int
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add_new_key(struct add_options *opt, int argc, char **argv)
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{
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krb5_error_code ret = 0;
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int i;
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int num;
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krb5_key_data key_data[3];
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krb5_key_data *kdp = NULL;
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num = 0;
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if (opt->random_key_flag)
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++num;
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if (opt->random_password_flag)
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++num;
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if (opt->password_string)
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++num;
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if (opt->key_string)
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++num;
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if (num > 1) {
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fprintf (stderr, "give only one of "
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"--random-key, --random-password, --password, --key\n");
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return 1;
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}
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if (opt->key_string) {
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const char *error;
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if (parse_des_key (opt->key_string, key_data, &error)) {
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fprintf (stderr, "failed parsing key \"%s\": %s\n",
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opt->key_string, error);
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return 1;
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}
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kdp = key_data;
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}
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for(i = 0; i < argc; i++) {
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ret = add_one_principal (argv[i],
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opt->random_key_flag,
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opt->random_password_flag,
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opt->use_defaults_flag,
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opt->password_string,
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kdp,
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opt->max_ticket_life_string,
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opt->max_renewable_life_string,
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opt->attributes_string,
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opt->expiration_time_string,
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opt->pw_expiration_time_string);
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if (ret) {
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krb5_warn (context, ret, "adding %s", argv[i]);
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break;
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}
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}
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if (kdp) {
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int16_t dummy = 3;
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kadm5_free_key_data (kadm_handle, &dummy, key_data);
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}
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return ret != 0;
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}
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