moved to admin/ktutil
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@3157 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
150
kdc/srv2keytab.c
150
kdc/srv2keytab.c
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/*
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* Copyright (c) 1997 Kungliga Tekniska H<>gskolan
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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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* H<>gskolan 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 "kdc_locl.h"
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RCSID("$Id$");
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/* convert a version 4 srvtab to a version 5 keytab */
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#ifndef KEYFILE
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#define KEYFILE "/etc/srvtab"
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#endif
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static char *srvtab = KEYFILE;
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static char *keytab;
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static int help_flag;
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static int version_flag;
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static int verbose;
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static struct getargs args[] = {
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{ "srvtab", 's', arg_string, &srvtab, "Srvtab to convert", "file" },
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{ "keytab", 'k', arg_string, &keytab, "Keytab to put result in", "keytab" },
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{ "help", 'h', arg_flag, &help_flag },
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{ "version", 0, arg_flag, &version_flag },
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{ "verbose", 'v', arg_flag, &verbose },
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};
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static int num_args = sizeof(args) / sizeof(args[0]);
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void
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usage(int code)
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{
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arg_printusage(args, num_args, "");
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exit(code);
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}
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int main(int argc, char **argv)
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{
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krb5_context context;
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krb5_error_code ret;
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int optind = 0;
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char keytab_name[256];
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int fd;
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krb5_storage *sp;
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krb5_keytab id;
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set_progname(argv[0]);
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if(getarg(args, num_args, argc, argv, &optind))
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usage(1);
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if(help_flag)
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usage(0);
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if(version_flag)
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errx(0, "%s", heimdal_version);
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krb5_init_context(&context);
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if(keytab == NULL){
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ret = krb5_kt_default_name(context, keytab_name, sizeof(keytab_name));
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if(ret) krb5_err(context, 1, ret, "krb5_kt_default_name");
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keytab = keytab_name;
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}
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ret = krb5_kt_resolve(context, keytab, &id);
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if(ret) krb5_err(context, 1, ret, "krb5_kt_resolve");
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fd = open(srvtab, O_RDONLY);
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if(fd < 0)
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krb5_err(context, 1, errno, "%s", srvtab);
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sp = krb5_storage_from_fd(fd);
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while(1){
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char *service, *instance, *realm;
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int8_t kvno;
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des_cblock key;
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krb5_keytab_entry entry;
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ret = krb5_ret_stringz(sp, &service);
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if(ret == KRB5_CC_END)
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break;
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if(ret) krb5_err(context, 1, ret, "reading service");
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ret = krb5_ret_stringz(sp, &instance);
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if(ret) krb5_err(context, 1, ret, "reading instance");
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ret = krb5_ret_stringz(sp, &realm);
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if(ret) krb5_err(context, 1, ret, "reading realm");
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ret = krb5_ret_int8(sp, &kvno);
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if(ret) krb5_err(context, 1, ret, "reading kvno");
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ret = sp->fetch(sp, key, 8);
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if(ret < 0)
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krb5_err(context, 1, errno, "reading key");
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if(ret < 8)
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krb5_err(context, 1, errno, "end if file while reading key");
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ret = krb5_425_conv_principal(context, service, instance, realm,
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&entry.principal);
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if(ret) krb5_err(context, 1, ret, "krb5_425_conv_principal");
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entry.vno = kvno;
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entry.keyblock.keytype = KEYTYPE_DES;
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entry.keyblock.keyvalue.data = key;
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entry.keyblock.keyvalue.length = 8;
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if(verbose){
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char *p;
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ret = krb5_unparse_name(context, entry.principal, &p);
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if(ret)
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krb5_warn(context, ret, "krb5_unparse_name");
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else{
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fprintf(stderr, "Storing keytab for %s\n", p);
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free(p);
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}
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}
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ret = krb5_kt_add_entry(context, id, &entry);
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if(ret) krb5_err(context, 1, ret, "krb5_kt_add_entry");
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krb5_free_principal(context, entry.principal);
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}
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}
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