1 files changed, 84 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/gssapi/sanon/sanon_locl.h b/third_party/heimdal/lib/gssapi/sanon/sanon_locl.h
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+++ b/third_party/heimdal/lib/gssapi/sanon/sanon_locl.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2019-2020, AuriStor, 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:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
+ * COPYRIGHT HOLDER 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.
+ *
+ */
+
+#ifndef SANON_LOCL_H
+#define SANON_LOCL_H 1
+
+#include <config.h>
+
+#include <krb5_locl.h> /* for _krb5_SP800_108_HMAC_KDF() */
+
+#include <hcrypto/x25519_ref10.h>
+
+#include <gssapi.h>
+#include <gkrb5_err.h> /* for GSS_KRB5_S_XXX */
+
+#include "mech/mech_locl.h"
+
+typedef struct sanon_ctx_desc {
+    /* X25519 ECDH secret key */
+    uint8_t sk[crypto_scalarmult_curve25519_BYTES];
+    /* X25519 ECDH public key */
+    uint8_t pk[crypto_scalarmult_curve25519_BYTES];
+    /* krb5 context for message protection/PRF */
+    gss_ctx_id_t rfc4121;
+    unsigned is_initiator : 1;
+} *sanon_ctx;
+
+extern gss_name_t _gss_sanon_anonymous_identity;
+extern gss_name_t _gss_sanon_non_anonymous_identity;
+
+extern gss_cred_id_t _gss_sanon_anonymous_cred;
+extern gss_cred_id_t _gss_sanon_non_anonymous_cred;
+
+#include "sanon-private.h"
+
+#define SANON_WELLKNOWN_USER_NAME		"WELLKNOWN/ANONYMOUS@WELLKNOWN:ANONYMOUS"
+#define SANON_WELLKNOWN_USER_NAME_LEN		(sizeof(SANON_WELLKNOWN_USER_NAME) - 1)
+
+extern gss_buffer_t _gss_sanon_wellknown_user_name;
+
+#define SANON_WELLKNOWN_SERVICE_NAME		"WELLKNOWN@ANONYMOUS"
+#define SANON_WELLKNOWN_SERVICE_NAME_LEN	(sizeof(SANON_WELLKNOWN_SERVICE_NAME) - 1)
+
+extern gss_buffer_t _gss_sanon_wellknown_service_name;
+
+static inline int
+buffer_equal_p(gss_const_buffer_t b1, gss_const_buffer_t b2)
+{
+    return b1->length == b2->length &&
+	memcmp(b1->value, b2->value, b2->length) == 0;
+}
+
+/* flags that are valid to be sent from a SAnon initiator in the flags field */
+#define SANON_PROTOCOL_FLAG_MASK ( GSS_C_DCE_STYLE | GSS_C_IDENTIFY_FLAG | GSS_C_EXTENDED_ERROR_FLAG )
+
+#endif /* SANON_LOCL_H */