diff options
Diffstat (limited to 'crypto/heimdal/admin/srvcreate.c')
| -rw-r--r-- | crypto/heimdal/admin/srvcreate.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/crypto/heimdal/admin/srvcreate.c b/crypto/heimdal/admin/srvcreate.c new file mode 100644 index 0000000..bc86bc8 --- /dev/null +++ b/crypto/heimdal/admin/srvcreate.c @@ -0,0 +1,124 @@ +/* + * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "ktutil_locl.h" + +RCSID("$Id: srvcreate.c,v 1.3 1999/12/02 17:04:53 joda Exp $"); + +/* convert a version 5 keytab to a version 4 srvtab */ + +#ifndef KEYFILE +#define KEYFILE "/etc/srvtab" +#endif + +static char *srvtab = KEYFILE; +static int help_flag; +static int verbose; + +static struct getargs args[] = { + { "srvtab", 's', arg_string, &srvtab, "srvtab to create", "file" }, + { "help", 'h', arg_flag, &help_flag }, + { "verbose", 'v', arg_flag, &verbose }, +}; + +static int num_args = sizeof(args) / sizeof(args[0]); + +int +srvcreate(int argc, char **argv) +{ + krb5_error_code ret; + int optind = 0; + int fd; + krb5_kt_cursor cursor; + krb5_keytab_entry entry; + char service[100], instance[100], realm[100]; + int8_t kvno; + + if(getarg(args, num_args, argc, argv, &optind)){ + arg_printusage(args, num_args, "ktutil srvcreate", ""); + return 1; + } + if(help_flag){ + arg_printusage(args, num_args, "ktutil srvcreate", ""); + return 0; + } + + argc -= optind; + argv += optind; + + if (argc != 0) { + arg_printusage(args, num_args, "ktutil srvcreate", ""); + return 1; + } + + ret = krb5_kt_start_seq_get(context, keytab, &cursor); + if(ret){ + krb5_warn(context, ret, "krb5_kt_start_seq_get"); + return 1; + } + + fd = open(srvtab, O_WRONLY |O_APPEND |O_CREAT, 0600); + if(fd < 0){ + krb5_warn(context, errno, "%s", srvtab); + return 1; + } + + while((ret = krb5_kt_next_entry(context, keytab, &entry, &cursor)) == 0){ + ret = krb5_524_conv_principal(context, entry.principal, + service, instance, realm); + if(ret) { + krb5_warn(context, ret, "krb5_524_conv_principal"); + close(fd); + return 1; + } + if ( (entry.keyblock.keyvalue.length == 8) && + (entry.keyblock.keytype == ETYPE_DES_CBC_MD5) ) { + if (verbose) { + printf ("%s.%s@%s vno %d\n", service, instance, realm, + entry.vno); + } + + write(fd, service, strlen(service)+1); + write(fd, instance, strlen(instance)+1); + write(fd, realm, strlen(realm)+1); + kvno = entry.vno; + write(fd, &kvno, sizeof(kvno)); + write(fd, entry.keyblock. keyvalue.data, 8); + } + krb5_kt_free_entry(context, &entry); + } + + close(fd); + ret = krb5_kt_end_seq_get(context, keytab, &cursor); + return ret; +} |
