krb524_convert_kredc_kdc

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2990 ec53bebd-3082-4978-b11e-865c3cabbd6b
1997-08-15 01:48:35 +00:00
parent 61717cbfd4
commit c0837becb6
1 changed files with 104 additions and 0 deletions
--- a/lib/krb5/convert_creds.c
+++ b/lib/krb5/convert_creds.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 1997 Kungliga Tekniska H<>gskolan
+ * (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. All advertising materials mentioning features or use of this software 
+ *    must display the following acknowledgement: 
+ *      This product includes software developed by Kungliga Tekniska 
+ *      H<>gskolan and its contributors. 
+ *
+ * 4. 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 "krb5_locl.h"
+#ifdef KRB4
+#define extract_ticket v4_extract_ticket
+#include <krb.h>
+
+RCSID("$Id$");
+
+static krb5_error_code
+check_ticket_flags(TicketFlags f)
+{
+    return 0; /* maybe add some more tests here? */
+}
+
+krb5_error_code
+krb524_convert_creds_kdc(krb5_context context, 
+			 krb5_creds *v5creds, 
+			 CREDENTIALS *v4creds)
+{
+    krb5_error_code ret;
+    krb5_data reply;
+    krb5_storage *sp;
+    int32_t tmp;
+    krb5_data ticket;
+    char realm[REALM_SZ];
+
+    ret = check_ticket_flags(v5creds->flags.b);
+    if(ret) return ret;
+    ret = krb5_sendto_kdc (context,
+			   &v5creds->ticket,
+			   krb5_princ_realm(context, v5creds->server),
+			   &reply);
+    sp = krb5_storage_from_mem(reply.data, reply.length);
+    if(sp == NULL)
+	return ;
+    krb5_ret_int32(sp, &tmp);
+    ret = tmp;
+    if(ret == 0){
+	memset(v4creds, 0, sizeof(*v4creds));
+	ret = krb5_ret_int32(sp, &tmp);
+	if(ret) goto out;
+	v4creds->kvno = tmp;
+	ret = krb5_ret_data(sp, &ticket);
+	if(ret) goto out;
+	v4creds->ticket_st.length = ticket.length;
+	memcpy(v4creds->ticket_st.dat, ticket.data, ticket.length);
+	ret = krb5_524_conv_principal(context, 
+				      v5creds->server, 
+				      v4creds->service, 
+				      v4creds->instance, 
+				      v4creds->realm);
+	if(ret) goto out;
+	v4creds->issue_date = v5creds->times.authtime;
+	v4creds->lifetime = krb_time_to_life(v4creds->issue_date,
+					     v5creds->times.endtime);
+	ret = krb5_524_conv_principal(context, v5creds->client, 
+				      v4creds->pname, 
+				      v4creds->pinst, 
+				      realm);
+	if(ret) goto out;
+	memcpy(v4creds->session, v5creds->session.keyvalue.data, 8);
+    }
+out:
+    krb5_storage_free(sp);
+    return ret;
+}
+#endif