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Diffstat (limited to 'librpc/rpc/dcerpc_util.h')
| -rw-r--r-- | librpc/rpc/dcerpc_util.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/librpc/rpc/dcerpc_util.h b/librpc/rpc/dcerpc_util.h new file mode 100644 index 0000000..a9bc7bd --- /dev/null +++ b/librpc/rpc/dcerpc_util.h @@ -0,0 +1,85 @@ +/* + Unix SMB/CIFS implementation. + + Copyright (C) Stefan Metzmacher 2010-2011 + Copyright (C) Andrew Tridgell 2010-2011 + Copyright (C) Simo Sorce 2010 + + 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/>. +*/ + +#ifndef __LIBRPC_RPC_DCERPC_UTIL_H__ +#define __LIBRPC_RPC_DCERPC_UTIL_H__ + +#include "replace.h" +#include <talloc.h> +#include "lib/util/data_blob.h" +#include "librpc/rpc/rpc_common.h" +#include "librpc/gen_ndr/dcerpc.h" + +void dcerpc_set_frag_length(DATA_BLOB *blob, uint16_t v); +uint16_t dcerpc_get_frag_length(const DATA_BLOB *blob); +void dcerpc_set_auth_length(DATA_BLOB *blob, uint16_t v); +uint16_t dcerpc_get_auth_length(const DATA_BLOB *blob); +uint8_t dcerpc_get_endian_flag(DATA_BLOB *blob); +uint8_t dcerpc_get_auth_type(const DATA_BLOB *blob); +uint8_t dcerpc_get_auth_level(const DATA_BLOB *blob); +uint32_t dcerpc_get_auth_context_id(const DATA_BLOB *blob); +const char *dcerpc_default_transport_endpoint(TALLOC_CTX *mem_ctx, + enum dcerpc_transport_t transport, + const struct ndr_interface_table *table); + +NTSTATUS dcerpc_pull_ncacn_packet(TALLOC_CTX *mem_ctx, + const DATA_BLOB *blob, + struct ncacn_packet *r); + +/** +* @brief Pull a dcerpc_auth structure, taking account of any auth +* padding in the blob. For request/response packets we pass +* the whole data blob, so auth_data_only must be set to false +* as the blob contains data+pad+auth and no just pad+auth. +* +* @param pkt - The ncacn_packet strcuture +* @param mem_ctx - The mem_ctx used to allocate dcerpc_auth elements +* @param pkt_trailer - The packet trailer data, usually the trailing +* auth_info blob, but in the request/response case +* this is the stub_and_verifier blob. +* @param auth - A preallocated dcerpc_auth *empty* structure +* @param auth_length - The length of the auth trail, sum of auth header +* lenght and pkt->auth_length +* @param auth_data_only - Whether the pkt_trailer includes only the auth_blob +* (+ padding) or also other data. +* +* @return - A NTSTATUS error code. +*/ +NTSTATUS dcerpc_pull_auth_trailer(const struct ncacn_packet *pkt, + TALLOC_CTX *mem_ctx, + const DATA_BLOB *pkt_trailer, + struct dcerpc_auth *auth, + uint32_t *auth_length, + bool auth_data_only); +NTSTATUS dcerpc_verify_ncacn_packet_header(const struct ncacn_packet *pkt, + enum dcerpc_pkt_type ptype, + size_t max_auth_info, + uint8_t required_flags, + uint8_t optional_flags); +struct tevent_req *dcerpc_read_ncacn_packet_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct tstream_context *stream); +NTSTATUS dcerpc_read_ncacn_packet_recv(struct tevent_req *req, + TALLOC_CTX *mem_ctx, + struct ncacn_packet **pkt, + DATA_BLOB *buffer); + +#endif |