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/*
Unix SMB/CIFS implementation.
DCERPC client side interface structures
Copyright (C) Tim Potter 2003
Copyright (C) Andrew Tridgell 2003-2005
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 __S4_DCERPC_H__
#define __S4_DCERPC_H__
#include "../lib/util/data_blob.h"
#include "librpc/gen_ndr/dcerpc.h"
#include "../librpc/ndr/libndr.h"
#include "../librpc/rpc/rpc_common.h"
struct tevent_context;
struct tevent_req;
struct dcerpc_binding_handle;
struct tstream_context;
/*
this defines a generic security context for signed/sealed dcerpc pipes.
*/
struct dcecli_connection;
struct gensec_settings;
struct dcecli_security {
struct dcerpc_auth *auth_info;
struct gensec_security *generic_state;
/* get the session key */
NTSTATUS (*session_key)(struct dcecli_connection *, DATA_BLOB *);
};
/*
this holds the information that is not specific to a particular rpc context_id
*/
struct rpc_request;
struct dcecli_connection {
uint32_t call_id;
uint32_t srv_max_xmit_frag;
uint32_t srv_max_recv_frag;
uint32_t flags;
struct dcecli_security security_state;
const char *binding_string;
struct tevent_context *event_ctx;
struct tevent_immediate *io_trigger;
bool io_trigger_pending;
/** Directory in which to save ndrdump-parseable files */
const char *packet_log_dir;
bool dead;
bool free_skipped;
struct dcerpc_transport {
enum dcerpc_transport_t transport;
void *private_data;
NTSTATUS (*shutdown_pipe)(struct dcecli_connection *, NTSTATUS status);
const char *(*peer_name)(struct dcecli_connection *);
const char *(*target_hostname)(struct dcecli_connection *);
/* send a request to the server */
NTSTATUS (*send_request)(struct dcecli_connection *, DATA_BLOB *, bool trigger_read);
/* send a read request to the server */
NTSTATUS (*send_read)(struct dcecli_connection *);
/* a callback to the dcerpc code when a full fragment
has been received */
void (*recv_data)(struct dcecli_connection *, DATA_BLOB *, NTSTATUS status);
} transport;
/* Requests that have been sent, waiting for a reply */
struct rpc_request *pending;
/* Sync requests waiting to be shipped */
struct rpc_request *request_queue;
/* the next context_id to be assigned */
uint32_t next_context_id;
};
/*
this encapsulates a full dcerpc client side pipe
*/
struct dcerpc_pipe {
struct dcerpc_binding_handle *binding_handle;
uint32_t context_id;
uint32_t assoc_group_id;
struct ndr_syntax_id syntax;
struct ndr_syntax_id transfer_syntax;
struct dcecli_connection *conn;
struct dcerpc_binding *binding;
/** the last fault code from a DCERPC fault */
uint32_t last_fault_code;
/** timeout for individual rpc requests, in seconds */
uint32_t request_timeout;
/*
* Set for the timeout in dcerpc_pipe_connect_b_send(), to
* allow the timeout not to destory the stack during a nested
* event loop caused by gensec_update()
*/
bool inhibit_timeout_processing;
bool timed_out;
};
/* default timeout for all rpc requests, in seconds */
#define DCERPC_REQUEST_TIMEOUT 60
struct dcerpc_pipe_connect {
struct dcerpc_pipe *pipe;
struct dcerpc_binding *binding;
const char *pipe_name;
const struct ndr_interface_table *interface;
struct cli_credentials *creds;
struct resolve_context *resolve_ctx;
};
struct epm_tower;
struct epm_floor;
struct smbcli_tree;
struct smb2_tree;
struct socket_address;
NTSTATUS dcerpc_pipe_connect(TALLOC_CTX *parent_ctx,
struct dcerpc_pipe **pp,
const char *binding,
const struct ndr_interface_table *table,
struct cli_credentials *credentials,
struct tevent_context *ev,
struct loadparm_context *lp_ctx);
const char *dcerpc_server_name(struct dcerpc_pipe *p);
struct dcerpc_pipe *dcerpc_pipe_init(TALLOC_CTX *mem_ctx, struct tevent_context *ev);
NTSTATUS dcerpc_pipe_open_smb(struct dcerpc_pipe *p,
struct smbcli_tree *tree,
const char *pipe_name);
NTSTATUS dcerpc_bind_auth_none(struct dcerpc_pipe *p,
const struct ndr_interface_table *table);
NTSTATUS dcerpc_fetch_session_key(struct dcerpc_pipe *p,
DATA_BLOB *session_key);
struct composite_context;
NTSTATUS dcerpc_secondary_connection_recv(struct composite_context *c,
struct dcerpc_pipe **p2);
struct composite_context* dcerpc_pipe_connect_b_send(TALLOC_CTX *parent_ctx,
struct dcerpc_binding *binding,
const struct ndr_interface_table *table,
struct cli_credentials *credentials,
struct tevent_context *ev,
struct loadparm_context *lp_ctx);
NTSTATUS dcerpc_pipe_connect_b_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
struct dcerpc_pipe **p);
NTSTATUS dcerpc_pipe_connect_b(TALLOC_CTX *parent_ctx,
struct dcerpc_pipe **pp,
struct dcerpc_binding *binding,
const struct ndr_interface_table *table,
struct cli_credentials *credentials,
struct tevent_context *ev,
struct loadparm_context *lp_ctx);
NTSTATUS dcerpc_pipe_auth(TALLOC_CTX *mem_ctx,
struct dcerpc_pipe **p,
struct dcerpc_binding *binding,
const struct ndr_interface_table *table,
struct cli_credentials *credentials,
struct loadparm_context *lp_ctx);
NTSTATUS dcerpc_secondary_connection(struct dcerpc_pipe *p,
struct dcerpc_pipe **p2,
struct dcerpc_binding *b);
NTSTATUS dcerpc_bind_auth_schannel(TALLOC_CTX *tmp_ctx,
struct dcerpc_pipe *p,
const struct ndr_interface_table *table,
struct cli_credentials *credentials,
struct loadparm_context *lp_ctx,
uint8_t auth_level);
struct tevent_context *dcerpc_event_context(struct dcerpc_pipe *p);
NTSTATUS dcerpc_init(void);
struct smbcli_tree *dcerpc_smb_tree(struct dcecli_connection *c);
struct composite_context *dcerpc_secondary_smb_send(struct dcecli_connection *c1,
struct dcerpc_pipe *p2,
const char *pipe_name);
NTSTATUS dcerpc_secondary_smb_recv(struct composite_context *c);
NTSTATUS dcerpc_secondary_context(struct dcerpc_pipe *p,
struct dcerpc_pipe **pp2,
const struct ndr_interface_table *table);
NTSTATUS dcerpc_alter_context(struct dcerpc_pipe *p,
TALLOC_CTX *mem_ctx,
const struct ndr_syntax_id *syntax,
const struct ndr_syntax_id *transfer_syntax);
NTSTATUS dcerpc_bind_auth(struct dcerpc_pipe *p,
const struct ndr_interface_table *table,
struct cli_credentials *credentials,
struct gensec_settings *gensec_settings,
uint8_t auth_type, uint8_t auth_level,
const char *service);
struct composite_context* dcerpc_pipe_connect_send(TALLOC_CTX *parent_ctx,
const char *binding,
const struct ndr_interface_table *table,
struct cli_credentials *credentials,
struct tevent_context *ev, struct loadparm_context *lp_ctx);
NTSTATUS dcerpc_pipe_connect_recv(struct composite_context *c,
TALLOC_CTX *mem_ctx,
struct dcerpc_pipe **pp);
NTSTATUS dcerpc_epm_map_binding(TALLOC_CTX *mem_ctx, struct dcerpc_binding *binding,
const struct ndr_interface_table *table, struct tevent_context *ev,
struct loadparm_context *lp_ctx);
struct composite_context* dcerpc_secondary_auth_connection_send(struct dcerpc_pipe *p,
struct dcerpc_binding *binding,
const struct ndr_interface_table *table,
struct cli_credentials *credentials,
struct loadparm_context *lp_ctx);
NTSTATUS dcerpc_secondary_auth_connection_recv(struct composite_context *c,
TALLOC_CTX *mem_ctx,
struct dcerpc_pipe **p);
struct composite_context* dcerpc_secondary_connection_send(struct dcerpc_pipe *p,
struct dcerpc_binding *b);
void dcerpc_log_packet(const char *lockdir,
const struct ndr_interface_table *ndr,
uint32_t opnum, uint32_t flags,
const DATA_BLOB *pkt);
enum dcerpc_transport_t dcerpc_transport_by_endpoint_protocol(int prot);
const char *dcerpc_floor_get_rhs_data(TALLOC_CTX *mem_ctx, struct epm_floor *epm_floor);
#endif /* __S4_DCERPC_H__ */
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