/* * Copyright (c) 2008-2010 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * * Portions Copyright (c) 2008-2010 Apple Inc. 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 <Kerberos/Kerberos.h> #include <string.h> int main(int argc, char **argv) { krb5_context kcontext = NULL; krb5_keytab kt = NULL; krb5_keytab_entry entry; krb5_kt_cursor cursor = NULL; krb5_error_code krb5_err; int matched = 0; char svc_name[] = "host"; int svc_name_len = strlen (svc_name); krb5_err = krb5_init_context(&kcontext); if (krb5_err) { goto Error; } krb5_err = krb5_kt_default(kcontext, &kt); if (krb5_err) { goto Error; } krb5_err = krb5_kt_start_seq_get(kcontext, kt, &cursor); if (krb5_err) { goto Error; } while ((matched == 0) && (krb5_err = krb5_kt_next_entry(kcontext, kt, &entry, &cursor)) == 0) { krb5_data *nameData = krb5_princ_name (kcontext, entry.principal); if (NULL != nameData->data && svc_name_len == nameData->length && 0 == strncmp (svc_name, nameData->data, nameData->length)) { matched = 1; } krb5_free_keytab_entry_contents(kcontext, &entry); } krb5_err = krb5_kt_end_seq_get(kcontext, kt, &cursor); Error: if (NULL != kt) { krb5_kt_close (kcontext, kt); } if (NULL != kcontext) { krb5_free_context (kcontext); } // Return 0 if we got match or -1 if err or no match return (0 != krb5_err) ? -1 : matched ? 0 : -1; }