aaae186ab9
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@5332 ec53bebd-3082-4978-b11e-865c3cabbd6b
106 lines
3.6 KiB
C
106 lines
3.6 KiB
C
/*
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* Copyright (c) 1997, 1998 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Kungliga Tekniska
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* Högskolan and its contributors.
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*
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* 4. 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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RCSID("$Id$");
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char *keyfile = HDB_DB_DIR "/m-key";
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char *v4_keyfile;
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int help_flag;
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int version_flag;
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struct getargs args[] = {
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{ "key-file", 'k', arg_string, &keyfile, "master key file", "file" },
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{ "version4-key-file", '4', arg_string, &v4_keyfile,
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"kerberos 4 master key file", "file" },
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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 main(int argc, char **argv)
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{
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char buf[1024];
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EncryptionKey key;
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FILE *f;
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size_t len;
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krb5_context context = NULL;
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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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krb5_errx(context, 0, "%s", heimdal_version);
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key.keytype = ETYPE_DES_CBC_MD5; /* XXX */
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if(v4_keyfile){
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f = fopen(v4_keyfile, "r");
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if(f == NULL)
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krb5_err(context, 1, errno, "fopen(%s)", v4_keyfile);
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key.keyvalue.length = sizeof(des_cblock);
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key.keyvalue.data = malloc(key.keyvalue.length);
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fread(key.keyvalue.data, 1, key.keyvalue.length, f);
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fclose(f);
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}else{
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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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des_read_pw_string(buf, sizeof(buf), "Master key: ", 1);
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krb5_string_to_key_salt(context, key.keytype, buf, salt, &key);
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}
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#ifdef HAVE_UMASK
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umask(077);
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#endif
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f = fopen(keyfile, "w");
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if(f == NULL)
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krb5_err(context, 1, errno, "fopen(%s)", keyfile);
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encode_EncryptionKey((unsigned char *)buf + sizeof(buf) - 1,
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sizeof(buf), &key, &len);
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fwrite(buf + sizeof(buf) - len, len, 1, f);
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fclose(f);
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exit(0);
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}
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