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285 lines
10 KiB
C
285 lines
10 KiB
C
/*
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Unix SMB/CIFS implementation.
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DCERPC client side interface structures
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Copyright (C) 2008 Jelmer Vernooij
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* This is a public header file that is installed as part of Samba.
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* If you remove any functions or change their signature, update
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* the so version number. */
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#ifndef __DCERPC_H__
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#define __DCERPC_H__
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enum dcerpc_transport_t {
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NCA_UNKNOWN, NCACN_NP, NCACN_IP_TCP, NCACN_IP_UDP, NCACN_VNS_IPC,
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NCACN_VNS_SPP, NCACN_AT_DSP, NCADG_AT_DDP, NCALRPC, NCACN_UNIX_STREAM,
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NCADG_UNIX_DGRAM, NCACN_HTTP, NCADG_IPX, NCACN_SPX, NCACN_INTERNAL };
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/** this describes a binding to a particular transport/pipe */
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struct dcerpc_binding {
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enum dcerpc_transport_t transport;
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struct ndr_syntax_id object;
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const char *host;
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const char *target_hostname;
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const char *endpoint;
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const char **options;
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uint32_t flags;
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uint32_t assoc_group_id;
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};
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/* dcerpc pipe flags */
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#define DCERPC_DEBUG_PRINT_IN (1<<0)
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#define DCERPC_DEBUG_PRINT_OUT (1<<1)
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#define DCERPC_DEBUG_PRINT_BOTH (DCERPC_DEBUG_PRINT_IN | DCERPC_DEBUG_PRINT_OUT)
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#define DCERPC_DEBUG_VALIDATE_IN (1<<2)
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#define DCERPC_DEBUG_VALIDATE_OUT (1<<3)
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#define DCERPC_DEBUG_VALIDATE_BOTH (DCERPC_DEBUG_VALIDATE_IN | DCERPC_DEBUG_VALIDATE_OUT)
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#define DCERPC_CONNECT (1<<4)
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#define DCERPC_SIGN (1<<5)
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#define DCERPC_SEAL (1<<6)
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#define DCERPC_PUSH_BIGENDIAN (1<<7)
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#define DCERPC_PULL_BIGENDIAN (1<<8)
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#define DCERPC_SCHANNEL (1<<9)
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/* use a 128 bit session key */
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#define DCERPC_SCHANNEL_128 (1<<12)
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/* check incoming pad bytes */
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#define DCERPC_DEBUG_PAD_CHECK (1<<13)
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/* set LIBNDR_FLAG_REF_ALLOC flag when decoding NDR */
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#define DCERPC_NDR_REF_ALLOC (1<<14)
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#define DCERPC_AUTH_OPTIONS (DCERPC_SEAL|DCERPC_SIGN|DCERPC_SCHANNEL|DCERPC_AUTH_SPNEGO|DCERPC_AUTH_KRB5|DCERPC_AUTH_NTLM)
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/* select spnego auth */
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#define DCERPC_AUTH_SPNEGO (1<<15)
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/* select krb5 auth */
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#define DCERPC_AUTH_KRB5 (1<<16)
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#define DCERPC_SMB2 (1<<17)
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/* select NTLM auth */
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#define DCERPC_AUTH_NTLM (1<<18)
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/* this triggers the DCERPC_PFC_FLAG_CONC_MPX flag in the bind request */
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#define DCERPC_CONCURRENT_MULTIPLEX (1<<19)
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/* this triggers the DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN flag in the bind request */
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#define DCERPC_HEADER_SIGNING (1<<20)
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/* use NDR64 transport */
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#define DCERPC_NDR64 (1<<21)
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/* The following definitions come from librpc/rpc/binding.c */
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const char *epm_floor_string(TALLOC_CTX *mem_ctx, struct epm_floor *epm_floor);
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_PUBLIC_ char *dcerpc_binding_string(TALLOC_CTX *mem_ctx, const struct dcerpc_binding *b);
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_PUBLIC_ NTSTATUS dcerpc_parse_binding(TALLOC_CTX *mem_ctx, const char *s, struct dcerpc_binding **b_out);
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_PUBLIC_ NTSTATUS dcerpc_floor_get_lhs_data(const struct epm_floor *epm_floor,
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struct ndr_syntax_id *syntax);
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const char *dcerpc_floor_get_rhs_data(TALLOC_CTX *mem_ctx, struct epm_floor *epm_floor);
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enum dcerpc_transport_t dcerpc_transport_by_endpoint_protocol(int prot);
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_PUBLIC_ enum dcerpc_transport_t dcerpc_transport_by_tower(const struct epm_tower *tower);
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_PUBLIC_ const char *derpc_transport_string_by_transport(enum dcerpc_transport_t t);
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_PUBLIC_ NTSTATUS dcerpc_binding_from_tower(TALLOC_CTX *mem_ctx,
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struct epm_tower *tower,
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struct dcerpc_binding **b_out);
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_PUBLIC_ NTSTATUS dcerpc_binding_build_tower(TALLOC_CTX *mem_ctx,
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const struct dcerpc_binding *binding,
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struct epm_tower *tower);
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struct NL_AUTH_MESSAGE;
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/* The following definitions come from librpc/rpc/dcerpc_helpers.c */
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NTSTATUS dcerpc_push_ncacn_packet(TALLOC_CTX *mem_ctx,
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enum dcerpc_pkt_type ptype,
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uint8_t pfc_flags,
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uint16_t auth_length,
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uint32_t call_id,
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union dcerpc_payload *u,
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DATA_BLOB *blob);
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NTSTATUS dcerpc_pull_ncacn_packet(TALLOC_CTX *mem_ctx,
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const DATA_BLOB *blob,
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struct ncacn_packet *r,
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bool bigendian);
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NTSTATUS dcerpc_push_schannel_bind(TALLOC_CTX *mem_ctx,
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struct NL_AUTH_MESSAGE *r,
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DATA_BLOB *blob);
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NTSTATUS dcerpc_push_dcerpc_auth(TALLOC_CTX *mem_ctx,
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enum dcerpc_AuthType auth_type,
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enum dcerpc_AuthLevel auth_level,
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uint8_t auth_pad_length,
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uint32_t auth_context_id,
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const DATA_BLOB *credentials,
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DATA_BLOB *blob);
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NTSTATUS dcerpc_pull_dcerpc_auth(TALLOC_CTX *mem_ctx,
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const DATA_BLOB *blob,
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struct dcerpc_auth *r,
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bool bigendian);
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NTSTATUS dcerpc_guess_sizes(struct pipe_auth_data *auth,
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size_t header_len, size_t data_left,
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size_t max_xmit_frag, size_t pad_alignment,
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size_t *data_to_send, size_t *frag_len,
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size_t *auth_len, size_t *pad_len);
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NTSTATUS dcerpc_add_auth_footer(struct pipe_auth_data *auth,
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size_t pad_len, DATA_BLOB *rpc_out);
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NTSTATUS dcerpc_check_auth(struct pipe_auth_data *auth,
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struct ncacn_packet *pkt,
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DATA_BLOB *pkt_trailer,
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size_t header_size,
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DATA_BLOB *raw_pkt,
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size_t *pad_len);
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struct dcerpc_binding_handle;
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struct GUID;
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struct ndr_interface_table;
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struct ndr_interface_call;
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struct ndr_push;
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struct ndr_pull;
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struct tevent_context;
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/*
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* This is just a hack this should never be used in code,
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* but it's needed to build the compat stubs for now
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*/
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struct __do_not_use_dcerpc_pipe {
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struct dcerpc_binding_handle *binding_handle;
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};
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#define dcerpc_pipe __do_not_use_dcerpc_pipe
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struct dcerpc_binding_handle_ops {
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const char *name;
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bool (*is_connected)(struct dcerpc_binding_handle *h);
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struct tevent_req *(*raw_call_send)(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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struct dcerpc_binding_handle *h,
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const struct GUID *object,
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uint32_t opnum,
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uint32_t in_flags,
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const uint8_t *in_data,
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size_t in_length);
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NTSTATUS (*raw_call_recv)(struct tevent_req *req,
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TALLOC_CTX *mem_ctx,
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uint8_t **out_data,
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size_t *out_length,
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uint32_t *out_flags);
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struct tevent_req *(*disconnect_send)(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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struct dcerpc_binding_handle *h);
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NTSTATUS (*disconnect_recv)(struct tevent_req *req);
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/* TODO: remove the following functions */
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bool (*push_bigendian)(struct dcerpc_binding_handle *h);
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bool (*ref_alloc)(struct dcerpc_binding_handle *h);
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bool (*use_ndr64)(struct dcerpc_binding_handle *h);
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void (*do_ndr_print)(struct dcerpc_binding_handle *h,
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int ndr_flags,
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const void *struct_ptr,
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const struct ndr_interface_call *call);
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void (*ndr_push_failed)(struct dcerpc_binding_handle *h,
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NTSTATUS error,
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const void *struct_ptr,
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const struct ndr_interface_call *call);
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void (*ndr_pull_failed)(struct dcerpc_binding_handle *h,
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NTSTATUS error,
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const DATA_BLOB *blob,
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const struct ndr_interface_call *call);
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NTSTATUS (*ndr_validate_in)(struct dcerpc_binding_handle *h,
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TALLOC_CTX *mem_ctx,
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const DATA_BLOB *blob,
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const struct ndr_interface_call *call);
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NTSTATUS (*ndr_validate_out)(struct dcerpc_binding_handle *h,
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struct ndr_pull *pull_in,
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const void *struct_ptr,
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const struct ndr_interface_call *call);
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};
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struct dcerpc_binding_handle *_dcerpc_binding_handle_create(TALLOC_CTX *mem_ctx,
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const struct dcerpc_binding_handle_ops *ops,
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const struct GUID *object,
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const struct ndr_interface_table *table,
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void *pstate,
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size_t psize,
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const char *type,
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const char *location);
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#define dcerpc_binding_handle_create(mem_ctx, ops, object, table, \
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state, type, location) \
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_dcerpc_binding_handle_create(mem_ctx, ops, object, table, \
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state, sizeof(type), #type, location)
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void *_dcerpc_binding_handle_data(struct dcerpc_binding_handle *h);
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#define dcerpc_binding_handle_data(_h, _type) \
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talloc_get_type_abort(_dcerpc_binding_handle_data(_h), _type)
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_DEPRECATED_ void dcerpc_binding_handle_set_ref_alloc(struct dcerpc_binding_handle *h,
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bool ref_alloc);
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_DEPRECATED_ void dcerpc_binding_handle_set_sync_ev(struct dcerpc_binding_handle *h,
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struct tevent_context *ev);
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bool dcerpc_binding_handle_is_connected(struct dcerpc_binding_handle *h);
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struct tevent_req *dcerpc_binding_handle_raw_call_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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struct dcerpc_binding_handle *h,
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const struct GUID *object,
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uint32_t opnum,
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uint32_t in_flags,
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const uint8_t *in_data,
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size_t in_length);
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NTSTATUS dcerpc_binding_handle_raw_call_recv(struct tevent_req *req,
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TALLOC_CTX *mem_ctx,
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uint8_t **out_data,
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size_t *out_length,
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uint32_t *out_flags);
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struct tevent_req *dcerpc_binding_handle_disconnect_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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struct dcerpc_binding_handle *h);
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NTSTATUS dcerpc_binding_handle_disconnect_recv(struct tevent_req *req);
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struct tevent_req *dcerpc_binding_handle_call_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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struct dcerpc_binding_handle *h,
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const struct GUID *object,
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const struct ndr_interface_table *table,
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uint32_t opnum,
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TALLOC_CTX *r_mem,
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void *r_ptr);
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NTSTATUS dcerpc_binding_handle_call_recv(struct tevent_req *req);
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NTSTATUS dcerpc_binding_handle_call(struct dcerpc_binding_handle *h,
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const struct GUID *object,
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const struct ndr_interface_table *table,
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uint32_t opnum,
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TALLOC_CTX *r_mem,
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void *r_ptr);
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#endif /* __DCERPC_H__ */
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