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diff --git a/source3/librpc/rpc/dcerpc.h b/source3/librpc/rpc/dcerpc.h
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+/*
+ Unix SMB/CIFS implementation.
+
+ DCERPC client side interface structures
+
+ Copyright (C) 2008 Jelmer Vernooij
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/* This is a public header file that is installed as part of Samba.
+ * If you remove any functions or change their signature, update
+ * the so version number. */
+
+#ifndef _S3_DCERPC_H__
+#define _S3_DCERPC_H__
+
+#include "librpc/gen_ndr/dcerpc.h"
+#include "../librpc/ndr/libndr.h"
+#include "../librpc/rpc/rpc_common.h"
+
+struct NL_AUTH_MESSAGE;
+struct gensec_security;
+
+/* auth state for all bind types. */
+
+struct pipe_auth_data {
+ enum dcerpc_AuthType auth_type;
+ enum dcerpc_AuthLevel auth_level;
+ uint32_t auth_context_id;
+ bool client_hdr_signing;
+ bool hdr_signing;
+ bool verified_bitmask1;
+
+ struct gensec_security *auth_ctx;
+
+ /* Only the client code uses this for now */
+ DATA_BLOB transport_session_key;
+};
+
+/* The following definitions come from librpc/rpc/dcerpc_helpers.c */
+NTSTATUS dcerpc_push_ncacn_packet(TALLOC_CTX *mem_ctx,
+ enum dcerpc_pkt_type ptype,
+ uint8_t pfc_flags,
+ uint16_t auth_length,
+ uint32_t call_id,
+ union dcerpc_payload *u,
+ DATA_BLOB *blob);
+NTSTATUS dcerpc_push_dcerpc_auth(TALLOC_CTX *mem_ctx,
+ enum dcerpc_AuthType auth_type,
+ enum dcerpc_AuthLevel auth_level,
+ uint8_t auth_pad_length,
+ uint32_t auth_context_id,
+ const DATA_BLOB *credentials,
+ DATA_BLOB *blob);
+NTSTATUS dcerpc_guess_sizes(struct pipe_auth_data *auth,
+ size_t header_len, size_t data_left,
+ size_t max_xmit_frag,
+ size_t *data_to_send, size_t *frag_len,
+ size_t *auth_len, size_t *pad_len);
+NTSTATUS dcerpc_add_auth_footer(struct pipe_auth_data *auth,
+ size_t pad_len, DATA_BLOB *rpc_out);
+NTSTATUS dcerpc_check_auth(struct pipe_auth_data *auth,
+ struct ncacn_packet *pkt,
+ DATA_BLOB *pkt_trailer,
+ uint8_t header_size,
+ DATA_BLOB *raw_pkt);
+
+#endif /* __S3_DCERPC_H__ */