1 files changed, 79 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/krb5/build_ap_req.c b/crypto/heimdal/lib/krb5/build_ap_req.c
new file mode 100644
index 0000000..c8a89ca
--- /dev/null
+++ b/crypto/heimdal/lib/krb5/build_ap_req.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 1997 - 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 <krb5_locl.h>
+
+RCSID("$Id: build_ap_req.c,v 1.16 1999/12/02 17:05:07 joda Exp $");
+
+krb5_error_code
+krb5_build_ap_req (krb5_context context,
+		   krb5_enctype enctype,
+		   krb5_creds *cred,
+		   krb5_flags ap_options,
+		   krb5_data authenticator,
+		   krb5_data *retdata)
+{
+  krb5_error_code ret = 0;
+  AP_REQ ap;
+  Ticket t;
+  size_t len;
+  
+  ap.pvno = 5;
+  ap.msg_type = krb_ap_req;
+  memset(&ap.ap_options, 0, sizeof(ap.ap_options));
+  ap.ap_options.use_session_key = (ap_options & AP_OPTS_USE_SESSION_KEY) > 0;
+  ap.ap_options.mutual_required = (ap_options & AP_OPTS_MUTUAL_REQUIRED) > 0;
+  
+  ap.ticket.tkt_vno = 5;
+  copy_Realm(&cred->server->realm, &ap.ticket.realm);
+  copy_PrincipalName(&cred->server->name, &ap.ticket.sname);
+
+  decode_Ticket(cred->ticket.data, cred->ticket.length, &t, &len);
+  copy_EncryptedData(&t.enc_part, &ap.ticket.enc_part);
+  free_Ticket(&t);
+
+  ap.authenticator.etype = enctype;
+  ap.authenticator.kvno  = NULL;
+  ap.authenticator.cipher = authenticator;
+
+  retdata->length = length_AP_REQ(&ap);
+  retdata->data   = malloc(retdata->length);
+  if(retdata->data == NULL)
+      ret = ENOMEM;
+  else
+      encode_AP_REQ((unsigned char *)retdata->data + retdata->length - 1,
+		    retdata->length, &ap, &len);
+  free_AP_REQ(&ap);
+  
+  return ret;
+}