2 Unix SMB/CIFS implementation.
4 DCERPC client side interface structures
6 Copyright (C) Tim Potter 2003
7 Copyright (C) Andrew Tridgell 2003-2005
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
26 #include "lib/util/data_blob.h"
27 #include "librpc/gen_ndr/dcerpc.h"
28 #include "librpc/ndr/libndr.h"
30 enum dcerpc_transport_t {
31 NCA_UNKNOWN, NCACN_NP, NCACN_IP_TCP, NCACN_IP_UDP, NCACN_VNS_IPC,
32 NCACN_VNS_SPP, NCACN_AT_DSP, NCADG_AT_DDP, NCALRPC, NCACN_UNIX_STREAM,
33 NCADG_UNIX_DGRAM, NCACN_HTTP, NCADG_IPX, NCACN_SPX };
36 this defines a generic security context for signed/sealed dcerpc pipes.
38 struct dcerpc_connection;
39 struct dcerpc_security {
40 struct dcerpc_auth *auth_info;
41 struct gensec_security *generic_state;
43 /* get the session key */
44 NTSTATUS (*session_key)(struct dcerpc_connection *, DATA_BLOB *);
48 this holds the information that is not specific to a particular rpc context_id
50 struct dcerpc_connection {
52 uint32_t srv_max_xmit_frag;
53 uint32_t srv_max_recv_frag;
55 struct dcerpc_security security_state;
56 const char *binding_string;
57 struct event_context *event_ctx;
58 struct smb_iconv_convenience *iconv_convenience;
63 struct dcerpc_transport {
64 enum dcerpc_transport_t transport;
67 NTSTATUS (*shutdown_pipe)(struct dcerpc_connection *, NTSTATUS status);
69 const char *(*peer_name)(struct dcerpc_connection *);
71 const char *(*target_hostname)(struct dcerpc_connection *);
73 /* send a request to the server */
74 NTSTATUS (*send_request)(struct dcerpc_connection *, DATA_BLOB *, bool trigger_read);
76 /* send a read request to the server */
77 NTSTATUS (*send_read)(struct dcerpc_connection *);
79 /* a callback to the dcerpc code when a full fragment
81 void (*recv_data)(struct dcerpc_connection *, DATA_BLOB *, NTSTATUS status);
84 /* Requests that have been sent, waiting for a reply */
85 struct rpc_request *pending;
87 /* Sync requests waiting to be shipped */
88 struct rpc_request *request_queue;
90 /* the next context_id to be assigned */
91 uint32_t next_context_id;
95 this encapsulates a full dcerpc client side pipe
100 uint32_t assoc_group_id;
102 struct ndr_syntax_id syntax;
103 struct ndr_syntax_id transfer_syntax;
105 struct dcerpc_connection *conn;
106 struct dcerpc_binding *binding;
108 /* the last fault code from a DCERPC fault */
109 uint32_t last_fault_code;
111 /* timeout for individual rpc requests, in seconds */
112 uint32_t request_timeout;
115 /* default timeout for all rpc requests, in seconds */
116 #define DCERPC_REQUEST_TIMEOUT 60
119 /* dcerpc pipe flags */
120 #define DCERPC_DEBUG_PRINT_IN (1<<0)
121 #define DCERPC_DEBUG_PRINT_OUT (1<<1)
122 #define DCERPC_DEBUG_PRINT_BOTH (DCERPC_DEBUG_PRINT_IN | DCERPC_DEBUG_PRINT_OUT)
124 #define DCERPC_DEBUG_VALIDATE_IN (1<<2)
125 #define DCERPC_DEBUG_VALIDATE_OUT (1<<3)
126 #define DCERPC_DEBUG_VALIDATE_BOTH (DCERPC_DEBUG_VALIDATE_IN | DCERPC_DEBUG_VALIDATE_OUT)
128 #define DCERPC_CONNECT (1<<4)
129 #define DCERPC_SIGN (1<<5)
130 #define DCERPC_SEAL (1<<6)
132 #define DCERPC_PUSH_BIGENDIAN (1<<7)
133 #define DCERPC_PULL_BIGENDIAN (1<<8)
135 #define DCERPC_SCHANNEL (1<<9)
137 /* use a 128 bit session key */
138 #define DCERPC_SCHANNEL_128 (1<<12)
140 /* check incoming pad bytes */
141 #define DCERPC_DEBUG_PAD_CHECK (1<<13)
143 /* set LIBNDR_FLAG_REF_ALLOC flag when decoding NDR */
144 #define DCERPC_NDR_REF_ALLOC (1<<14)
146 #define DCERPC_AUTH_OPTIONS (DCERPC_SEAL|DCERPC_SIGN|DCERPC_SCHANNEL|DCERPC_AUTH_SPNEGO|DCERPC_AUTH_KRB5|DCERPC_AUTH_NTLM)
148 /* select spnego auth */
149 #define DCERPC_AUTH_SPNEGO (1<<15)
151 /* select krb5 auth */
152 #define DCERPC_AUTH_KRB5 (1<<16)
154 #define DCERPC_SMB2 (1<<17)
156 /* select NTLM auth */
157 #define DCERPC_AUTH_NTLM (1<<18)
159 /* this triggers the DCERPC_PFC_FLAG_CONC_MPX flag in the bind request */
160 #define DCERPC_CONCURRENT_MULTIPLEX (1<<19)
162 /* this describes a binding to a particular transport/pipe */
163 struct dcerpc_binding {
164 enum dcerpc_transport_t transport;
165 struct ndr_syntax_id object;
167 const char *target_hostname;
168 const char *endpoint;
169 const char **options;
171 uint32_t assoc_group_id;
175 struct dcerpc_pipe_connect {
176 struct dcerpc_pipe *pipe;
177 struct dcerpc_binding *binding;
178 const char *pipe_name;
179 const struct ndr_interface_table *interface;
180 struct cli_credentials *creds;
181 struct resolve_context *resolve_ctx;
185 enum rpc_request_state {
192 handle for an async dcerpc request
195 struct rpc_request *next, *prev;
196 struct dcerpc_pipe *p;
199 enum rpc_request_state state;
204 /* this is used to distinguish bind and alter_context requests
205 from normal requests */
206 void (*recv_handler)(struct rpc_request *conn,
207 DATA_BLOB *blob, struct ncacn_packet *pkt);
209 const struct GUID *object;
211 DATA_BLOB request_data;
215 /* use by the ndr level async recv call */
217 const struct ndr_interface_table *table;
224 void (*callback)(struct rpc_request *);
234 struct socket_address;
236 #include "librpc/rpc/dcerpc_proto.h"
238 #endif /* __DCERPC_H__ */