2 * Copyright (c) 2004 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the Institute nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 #include "kadmin_locl.h"
37 #include "kadmin-commands.h"
39 extern int local_flag;
42 stash(struct stash_options *opt, int argc, char **argv)
50 krb5_warnx(context, "stash is only available in local (-l) mode");
54 ret = krb5_string_to_enctype(context, opt->enctype_string, &enctype);
56 krb5_warn(context, ret, "%s", opt->enctype_string);
60 if(opt->key_file_string == NULL) {
61 asprintf(&opt->key_file_string, "%s/m-key", hdb_db_dir(context));
62 if (opt->key_file_string == NULL)
63 errx(1, "out of memory");
66 ret = hdb_read_master_key(context, opt->key_file_string, &mkey);
67 if(ret && ret != ENOENT) {
68 krb5_warn(context, ret, "reading master key from %s",
69 opt->key_file_string);
73 if (opt->convert_file_flag) {
75 krb5_warn(context, ret, "reading master key from %s",
76 opt->key_file_string);
81 salt.salttype = KRB5_PW_SALT;
82 /* XXX better value? */
83 salt.saltvalue.data = NULL;
84 salt.saltvalue.length = 0;
85 if(opt->master_key_fd_integer != -1) {
87 n = read(opt->master_key_fd_integer, buf, sizeof(buf));
89 krb5_warnx(context, "end of file reading passphrase");
91 krb5_warn(context, errno, "reading passphrase");
95 buf[strcspn(buf, "\r\n")] = '\0';
96 } else if (opt->random_password_flag) {
97 random_password (buf, sizeof(buf));
98 printf("Using random master stash password: %s\n", buf);
100 if(UI_UTIL_read_pw_string(buf, sizeof(buf), "Master key: ", 1)) {
101 hdb_free_master_key(context, mkey);
105 ret = krb5_string_to_key_salt(context, enctype, buf, salt, &key);
107 ret = hdb_add_master_key(context, &key, &mkey);
109 krb5_warn(context, errno, "setting master key");
110 krb5_free_keyblock_contents(context, &key);
115 asprintf(&old, "%s.old", opt->key_file_string);
116 asprintf(&new, "%s.new", opt->key_file_string);
117 if(old == NULL || new == NULL) {
122 if(unlink(new) < 0 && errno != ENOENT) {
126 krb5_warnx(context, "writing key to \"%s\"", opt->key_file_string);
127 ret = hdb_write_master_key(context, new, mkey);
132 #ifndef NO_POSIX_LINKS
133 if(link(opt->key_file_string, old) < 0 && errno != ENOENT) {
138 if(rename(new, opt->key_file_string) < 0) {
141 #ifndef NO_POSIX_LINKS
149 krb5_warn(context, errno, "writing master key file");
152 hdb_free_master_key(context, mkey);