1 files changed, 68 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/krb5/build_ap_req.c b/third_party/heimdal/lib/krb5/build_ap_req.c
new file mode 100644
index 0000000..cb6f60d
--- /dev/null
+++ b/third_party/heimdal/lib/krb5/build_ap_req.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 1997 - 2002 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"
+
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
+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;
+    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;
+
+    ret = decode_Ticket(cred->ticket.data, cred->ticket.length, &ap.ticket, &len);
+    if (ret)
+        return ret;
+    if (cred->ticket.length != len)
+        krb5_abortx(context, "internal error in ASN.1 encoder");
+    ap.authenticator.etype = enctype;
+    ap.authenticator.kvno  = NULL;
+    ap.authenticator.cipher = authenticator;
+
+    ASN1_MALLOC_ENCODE(AP_REQ, retdata->data, retdata->length, &ap, &len, ret);
+    if (ret == 0 && retdata->length != len)
+        krb5_abortx(context, "internal error in ASN.1 encoder");
+    free_AP_REQ(&ap);
+    return ret;
+}