f4401cd869
alter des.h to be friendly with openssl/des.h (you can include both in the same file) make libkrb to depend on libdes. bump major. massage various portioin of heimdal to be friendly with openssl 0.9.7b.
151 lines
4.5 KiB
C
151 lines
4.5 KiB
C
/*
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* Copyright (c) 1997-2002 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 "headers.h"
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#include <openssl/ui.h>
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__RCSID("$Heimdal: kstash.c,v 1.15 2002/04/18 09:47:25 joda Exp $"
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"$NetBSD: kstash.c,v 1.2 2003/07/24 14:16:55 itojun Exp $");
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krb5_context context;
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const char *keyfile = HDB_DB_DIR "/m-key";
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int convert_flag;
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int help_flag;
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int version_flag;
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int master_key_fd = -1;
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const char *enctype_str = "des3-cbc-sha1";
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struct getargs args[] = {
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{ "enctype", 'e', arg_string, &enctype_str, "encryption type" },
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{ "key-file", 'k', arg_string, &keyfile, "master key file", "file" },
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{ "convert-file", 0, arg_flag, &convert_flag,
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"just convert keyfile to new format" },
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{ "master-key-fd", 0, arg_integer, &master_key_fd,
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"filedescriptor to read passphrase from", "fd" },
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{ "help", 'h', arg_flag, &help_flag },
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{ "version", 0, arg_flag, &version_flag }
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};
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int num_args = sizeof(args) / sizeof(args[0]);
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int
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main(int argc, char **argv)
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{
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char buf[1024];
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krb5_error_code ret;
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krb5_enctype enctype;
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hdb_master_key mkey;
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krb5_program_setup(&context, argc, argv, args, num_args, NULL);
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if(help_flag)
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krb5_std_usage(0, args, num_args);
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if(version_flag){
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print_version(NULL);
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exit(0);
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}
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ret = krb5_string_to_enctype(context, enctype_str, &enctype);
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if(ret)
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krb5_err(context, 1, ret, "krb5_string_to_enctype");
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ret = hdb_read_master_key(context, keyfile, &mkey);
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if(ret && ret != ENOENT)
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krb5_err(context, 1, ret, "reading master key from %s", keyfile);
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if (convert_flag) {
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if (ret)
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krb5_err(context, 1, ret, "reading master key from %s", keyfile);
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} else {
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krb5_keyblock key;
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krb5_salt salt;
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salt.salttype = KRB5_PW_SALT;
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/* XXX better value? */
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salt.saltvalue.data = NULL;
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salt.saltvalue.length = 0;
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if(master_key_fd != -1) {
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ssize_t n;
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n = read(master_key_fd, buf, sizeof(buf));
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if(n <= 0)
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krb5_err(context, 1, errno, "failed to read passphrase");
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buf[n] = '\0';
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buf[strcspn(buf, "\r\n")] = '\0';
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} else {
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if(UI_UTIL_read_pw_string(buf, sizeof(buf), "Master key: ", 1))
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exit(1);
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}
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krb5_string_to_key_salt(context, enctype, buf, salt, &key);
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ret = hdb_add_master_key(context, &key, &mkey);
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krb5_free_keyblock_contents(context, &key);
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}
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{
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char *new, *old;
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asprintf(&old, "%s.old", keyfile);
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asprintf(&new, "%s.new", keyfile);
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if(unlink(new) < 0 && errno != ENOENT) {
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ret = errno;
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goto out;
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}
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krb5_warnx(context, "writing key to `%s'", keyfile);
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ret = hdb_write_master_key(context, new, mkey);
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if(ret)
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unlink(new);
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else {
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unlink(old);
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if(link(keyfile, old) < 0 && errno != ENOENT) {
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ret = errno;
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unlink(new);
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} else if(rename(new, keyfile) < 0) {
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ret = errno;
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}
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}
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out:
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free(old);
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free(new);
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if(ret)
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krb5_warn(context, errno, "writing master key file");
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}
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hdb_free_master_key(context, mkey);
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exit(ret != 0);
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}
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