| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 |
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| 4 | DCERPC client side interface structures
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| 5 |
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| 6 | Copyright (C) Tim Potter 2003
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| 7 | Copyright (C) Andrew Tridgell 2003-2005
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| 8 |
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| 9 | This program is free software; you can redistribute it and/or modify
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| 10 | it under the terms of the GNU General Public License as published by
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| 11 | the Free Software Foundation; either version 3 of the License, or
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| 12 | (at your option) any later version.
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| 13 |
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| 14 | This program is distributed in the hope that it will be useful,
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| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 17 | GNU General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU General Public License
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| 20 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 21 | */
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| 22 |
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| 23 | /* This is a public header file that is installed as part of Samba.
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| 24 | * If you remove any functions or change their signature, update
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| 25 | * the so version number. */
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| 26 |
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| 27 | #ifndef __S4_DCERPC_H__
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| 28 | #define __S4_DCERPC_H__
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| 29 |
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| 30 | #include "../lib/util/data_blob.h"
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| 31 | #include "librpc/gen_ndr/dcerpc.h"
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| 32 | #include "../librpc/ndr/libndr.h"
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| 33 | #include "../librpc/rpc/rpc_common.h"
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| 34 |
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| 35 | struct tevent_context;
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| 36 | struct tevent_req;
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| 37 | struct dcerpc_binding_handle;
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| 38 | struct tstream_context;
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| 39 |
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| 40 | /*
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| 41 | this defines a generic security context for signed/sealed dcerpc pipes.
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| 42 | */
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| 43 | struct dcecli_connection;
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| 44 | struct gensec_settings;
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| 45 | struct dcecli_security {
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| 46 | struct dcerpc_auth *auth_info;
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| 47 | struct gensec_security *generic_state;
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| 48 |
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| 49 | /* get the session key */
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| 50 | NTSTATUS (*session_key)(struct dcecli_connection *, DATA_BLOB *);
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| 51 | };
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| 52 |
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| 53 | /*
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| 54 | this holds the information that is not specific to a particular rpc context_id
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| 55 | */
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| 56 | struct rpc_request;
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| 57 | struct dcecli_connection {
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| 58 | uint32_t call_id;
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| 59 | uint32_t srv_max_xmit_frag;
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| 60 | uint32_t srv_max_recv_frag;
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| 61 | uint32_t flags;
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| 62 | struct dcecli_security security_state;
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| 63 | const char *binding_string;
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| 64 | struct tevent_context *event_ctx;
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| 65 |
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| 66 | /** Directory in which to save ndrdump-parseable files */
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| 67 | const char *packet_log_dir;
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| 68 |
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| 69 | bool dead;
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| 70 | bool free_skipped;
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| 71 |
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| 72 | struct dcerpc_transport {
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| 73 | enum dcerpc_transport_t transport;
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| 74 | void *private_data;
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| 75 |
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| 76 | NTSTATUS (*shutdown_pipe)(struct dcecli_connection *, NTSTATUS status);
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| 77 |
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| 78 | const char *(*peer_name)(struct dcecli_connection *);
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| 79 |
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| 80 | const char *(*target_hostname)(struct dcecli_connection *);
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| 81 |
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| 82 | /* send a request to the server */
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| 83 | NTSTATUS (*send_request)(struct dcecli_connection *, DATA_BLOB *, bool trigger_read);
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| 84 |
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| 85 | /* send a read request to the server */
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| 86 | NTSTATUS (*send_read)(struct dcecli_connection *);
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| 87 |
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| 88 | /* a callback to the dcerpc code when a full fragment
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| 89 | has been received */
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| 90 | void (*recv_data)(struct dcecli_connection *, DATA_BLOB *, NTSTATUS status);
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| 91 | } transport;
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| 92 |
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| 93 | /* Requests that have been sent, waiting for a reply */
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| 94 | struct rpc_request *pending;
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| 95 |
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| 96 | /* Sync requests waiting to be shipped */
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| 97 | struct rpc_request *request_queue;
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| 98 |
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| 99 | /* the next context_id to be assigned */
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| 100 | uint32_t next_context_id;
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| 101 | };
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| 102 |
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| 103 | /*
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| 104 | this encapsulates a full dcerpc client side pipe
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| 105 | */
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| 106 | struct dcerpc_pipe {
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| 107 | struct dcerpc_binding_handle *binding_handle;
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| 108 |
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| 109 | uint32_t context_id;
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| 110 |
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| 111 | uint32_t assoc_group_id;
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| 112 |
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| 113 | struct ndr_syntax_id syntax;
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| 114 | struct ndr_syntax_id transfer_syntax;
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| 115 |
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| 116 | struct dcecli_connection *conn;
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| 117 | struct dcerpc_binding *binding;
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| 118 |
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| 119 | /** the last fault code from a DCERPC fault */
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| 120 | uint32_t last_fault_code;
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| 121 |
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| 122 | /** timeout for individual rpc requests, in seconds */
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| 123 | uint32_t request_timeout;
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| 124 | };
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| 125 |
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| 126 | /* default timeout for all rpc requests, in seconds */
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| 127 | #define DCERPC_REQUEST_TIMEOUT 60
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| 128 |
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| 129 |
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| 130 | struct dcerpc_pipe_connect {
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| 131 | struct dcerpc_pipe *pipe;
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| 132 | struct dcerpc_binding *binding;
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| 133 | const char *pipe_name;
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| 134 | const struct ndr_interface_table *interface;
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| 135 | struct cli_credentials *creds;
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| 136 | struct resolve_context *resolve_ctx;
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| 137 | };
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| 138 |
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| 139 |
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| 140 | struct epm_tower;
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| 141 | struct epm_floor;
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| 142 |
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| 143 | struct smbcli_tree;
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| 144 | struct smb2_tree;
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| 145 | struct socket_address;
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| 146 |
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| 147 | NTSTATUS dcerpc_pipe_connect(TALLOC_CTX *parent_ctx,
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| 148 | struct dcerpc_pipe **pp,
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| 149 | const char *binding,
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| 150 | const struct ndr_interface_table *table,
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| 151 | struct cli_credentials *credentials,
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| 152 | struct tevent_context *ev,
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| 153 | struct loadparm_context *lp_ctx);
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| 154 | const char *dcerpc_server_name(struct dcerpc_pipe *p);
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| 155 | struct dcerpc_pipe *dcerpc_pipe_init(TALLOC_CTX *mem_ctx, struct tevent_context *ev);
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| 156 | NTSTATUS dcerpc_pipe_open_smb(struct dcerpc_pipe *p,
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| 157 | struct smbcli_tree *tree,
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| 158 | const char *pipe_name);
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| 159 | NTSTATUS dcerpc_bind_auth_none(struct dcerpc_pipe *p,
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| 160 | const struct ndr_interface_table *table);
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| 161 | NTSTATUS dcerpc_fetch_session_key(struct dcerpc_pipe *p,
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| 162 | DATA_BLOB *session_key);
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| 163 | struct composite_context;
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| 164 | NTSTATUS dcerpc_secondary_connection_recv(struct composite_context *c,
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| 165 | struct dcerpc_pipe **p2);
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| 166 |
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| 167 | struct composite_context* dcerpc_pipe_connect_b_send(TALLOC_CTX *parent_ctx,
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| 168 | struct dcerpc_binding *binding,
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| 169 | const struct ndr_interface_table *table,
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| 170 | struct cli_credentials *credentials,
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| 171 | struct tevent_context *ev,
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| 172 | struct loadparm_context *lp_ctx);
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| 173 |
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| 174 | NTSTATUS dcerpc_pipe_connect_b_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
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| 175 | struct dcerpc_pipe **p);
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| 176 |
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| 177 | NTSTATUS dcerpc_pipe_connect_b(TALLOC_CTX *parent_ctx,
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| 178 | struct dcerpc_pipe **pp,
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| 179 | struct dcerpc_binding *binding,
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| 180 | const struct ndr_interface_table *table,
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| 181 | struct cli_credentials *credentials,
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| 182 | struct tevent_context *ev,
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| 183 | struct loadparm_context *lp_ctx);
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| 184 |
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| 185 | NTSTATUS dcerpc_pipe_auth(TALLOC_CTX *mem_ctx,
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| 186 | struct dcerpc_pipe **p,
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| 187 | struct dcerpc_binding *binding,
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| 188 | const struct ndr_interface_table *table,
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| 189 | struct cli_credentials *credentials,
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| 190 | struct loadparm_context *lp_ctx);
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| 191 | NTSTATUS dcerpc_secondary_connection(struct dcerpc_pipe *p,
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| 192 | struct dcerpc_pipe **p2,
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| 193 | struct dcerpc_binding *b);
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| 194 | NTSTATUS dcerpc_bind_auth_schannel(TALLOC_CTX *tmp_ctx,
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| 195 | struct dcerpc_pipe *p,
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| 196 | const struct ndr_interface_table *table,
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| 197 | struct cli_credentials *credentials,
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| 198 | struct loadparm_context *lp_ctx,
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| 199 | uint8_t auth_level);
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| 200 | struct tevent_context *dcerpc_event_context(struct dcerpc_pipe *p);
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| 201 | NTSTATUS dcerpc_init(struct loadparm_context *lp_ctx);
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| 202 | struct smbcli_tree *dcerpc_smb_tree(struct dcecli_connection *c);
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| 203 | uint16_t dcerpc_smb_fnum(struct dcecli_connection *c);
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| 204 | NTSTATUS dcerpc_secondary_context(struct dcerpc_pipe *p,
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| 205 | struct dcerpc_pipe **pp2,
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| 206 | const struct ndr_interface_table *table);
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| 207 | NTSTATUS dcerpc_alter_context(struct dcerpc_pipe *p,
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| 208 | TALLOC_CTX *mem_ctx,
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| 209 | const struct ndr_syntax_id *syntax,
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| 210 | const struct ndr_syntax_id *transfer_syntax);
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| 211 |
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| 212 | NTSTATUS dcerpc_bind_auth(struct dcerpc_pipe *p,
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| 213 | const struct ndr_interface_table *table,
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| 214 | struct cli_credentials *credentials,
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| 215 | struct gensec_settings *gensec_settings,
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| 216 | uint8_t auth_type, uint8_t auth_level,
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| 217 | const char *service);
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| 218 | struct composite_context* dcerpc_pipe_connect_send(TALLOC_CTX *parent_ctx,
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| 219 | const char *binding,
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| 220 | const struct ndr_interface_table *table,
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| 221 | struct cli_credentials *credentials,
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| 222 | struct tevent_context *ev, struct loadparm_context *lp_ctx);
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| 223 | NTSTATUS dcerpc_pipe_connect_recv(struct composite_context *c,
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| 224 | TALLOC_CTX *mem_ctx,
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| 225 | struct dcerpc_pipe **pp);
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| 226 |
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| 227 | NTSTATUS dcerpc_epm_map_binding(TALLOC_CTX *mem_ctx, struct dcerpc_binding *binding,
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| 228 | const struct ndr_interface_table *table, struct tevent_context *ev,
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| 229 | struct loadparm_context *lp_ctx);
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| 230 | struct composite_context* dcerpc_secondary_auth_connection_send(struct dcerpc_pipe *p,
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| 231 | struct dcerpc_binding *binding,
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| 232 | const struct ndr_interface_table *table,
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| 233 | struct cli_credentials *credentials,
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| 234 | struct loadparm_context *lp_ctx);
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| 235 | NTSTATUS dcerpc_secondary_auth_connection_recv(struct composite_context *c,
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| 236 | TALLOC_CTX *mem_ctx,
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| 237 | struct dcerpc_pipe **p);
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| 238 |
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| 239 | struct composite_context* dcerpc_secondary_connection_send(struct dcerpc_pipe *p,
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| 240 | struct dcerpc_binding *b);
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| 241 | void dcerpc_log_packet(const char *lockdir,
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| 242 | const struct ndr_interface_table *ndr,
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| 243 | uint32_t opnum, uint32_t flags,
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| 244 | const DATA_BLOB *pkt);
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| 245 |
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| 246 |
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| 247 | enum dcerpc_transport_t dcerpc_transport_by_endpoint_protocol(int prot);
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| 248 |
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| 249 | const char *dcerpc_floor_get_rhs_data(TALLOC_CTX *mem_ctx, struct epm_floor *epm_floor);
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| 250 |
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| 251 | #endif /* __S4_DCERPC_H__ */
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