2 Unix SMB/CIFS implementation.
3 SMB parameters and setup
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Luke Kenneth Casson Leighton 1996-1998
6 Copyright (C) Jeremy Allison 1998
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include "../librpc/ndr/libndr.h"
27 /* the client asks for a smaller buffer to save ram and also to get more
28 overlap on the wire. This size gives us a nice read/write size, which
29 will be a multiple of the page size on almost any system */
30 #define CLI_BUFFER_SIZE (0xFFFF)
31 #define CLI_SAMBA_MAX_LARGE_READX_SIZE (127*1024) /* Works for Samba servers */
32 #define CLI_SAMBA_MAX_LARGE_WRITEX_SIZE (127*1024) /* Works for Samba servers */
33 #define CLI_WINDOWS_MAX_LARGE_READX_SIZE ((64*1024)-2) /* Windows servers are broken.... */
34 #define CLI_WINDOWS_MAX_LARGE_WRITEX_SIZE ((64*1024)-2) /* Windows servers are broken.... */
35 #define CLI_SAMBA_MAX_POSIX_LARGE_READX_SIZE (0xFFFF00) /* 24-bit len. */
36 #define CLI_SAMBA_MAX_POSIX_LARGE_WRITEX_SIZE (0xFFFF00) /* 24-bit len. */
39 * These definitions depend on smb.h
42 struct print_job_info {
52 * rpc_cli_transport defines a transport mechanism to ship rpc requests
53 * asynchronously to a server and receive replies
56 struct rpc_cli_transport {
58 enum dcerpc_transport_t transport;
61 * Trigger an async read from the server. May return a short read.
63 struct tevent_req *(*read_send)(TALLOC_CTX *mem_ctx,
64 struct event_context *ev,
65 uint8_t *data, size_t size,
68 * Get the result from the read_send operation.
70 NTSTATUS (*read_recv)(struct tevent_req *req, ssize_t *preceived);
73 * Trigger an async write to the server. May return a short write.
75 struct tevent_req *(*write_send)(TALLOC_CTX *mem_ctx,
76 struct event_context *ev,
77 const uint8_t *data, size_t size,
80 * Get the result from the read_send operation.
82 NTSTATUS (*write_recv)(struct tevent_req *req, ssize_t *psent);
85 * This is an optimization for the SMB transport. It models the
86 * TransactNamedPipe API call: Send and receive data in one round
87 * trip. The transport implementation is free to set this to NULL,
88 * cli_pipe.c will fall back to the explicit write/read routines.
90 struct tevent_req *(*trans_send)(TALLOC_CTX *mem_ctx,
91 struct event_context *ev,
92 uint8_t *data, size_t data_len,
93 uint32_t max_rdata_len,
96 * Get the result from the trans_send operation.
98 NTSTATUS (*trans_recv)(struct tevent_req *req, TALLOC_CTX *mem_ctx,
99 uint8_t **prdata, uint32_t *prdata_len);
101 bool (*is_connected)(void *priv);
102 unsigned int (*set_timeout)(void *priv, unsigned int timeout);
107 struct dcerpc_binding_handle;
109 struct rpc_pipe_client {
110 struct rpc_pipe_client *prev, *next;
112 struct rpc_cli_transport *transport;
113 struct dcerpc_binding_handle *binding_handle;
115 struct ndr_syntax_id abstract_syntax;
116 struct ndr_syntax_id transfer_syntax;
119 char *srv_name_slash;
121 uint16 max_xmit_frag;
122 uint16 max_recv_frag;
124 struct pipe_auth_data *auth;
126 /* The following is only non-null on a netlogon client pipe. */
127 struct netlogon_creds_CredentialState *dc;
130 struct cli_state_seqnum {
131 struct cli_state_seqnum *prev, *next;
139 * A list of subsidiary connections for DFS.
141 struct cli_state *prev, *next;
144 /* Last read or write error. */
145 enum smb_read_errors smb_rw_error;
157 /* The credentials used to open the cli_state connection. */
160 char *password; /* Can be null to force use of zero NTLMSSP session key. */
163 * The following strings are the
164 * ones returned by the server if
165 * the protocol > NT1.
169 fstring server_domain;
173 struct nmb_name called;
174 struct nmb_name calling;
175 struct sockaddr_storage dest_ss;
177 DATA_BLOB secblob; /* cryptkey or negTokenInit */
181 int readbraw_supported;
182 int writebraw_supported;
183 int timeout; /* in milliseconds. */
187 struct cli_state_seqnum *seqnum;
189 unsigned int bufsize;
194 /* What the server offered. */
195 uint32_t server_posix_capabilities;
196 /* What the client requested. */
197 uint32_t requested_posix_capabilities;
200 struct smb_signing_state *signing_state;
202 struct smb_trans_enc_state *trans_enc_state; /* Setup if we're encrypting SMB's. */
204 /* the session key for this CLI, outside
205 any per-pipe authenticaion */
206 DATA_BLOB user_session_key;
208 /* The list of pipes currently open on this connection. */
209 struct rpc_pipe_client *pipe_list;
212 bool fallback_after_kerberos;
215 bool got_kerberos_mechanism; /* Server supports krb5 in SPNEGO. */
217 bool use_oplocks; /* should we use oplocks? */
218 bool use_level_II_oplocks; /* should we use level II oplocks? */
220 /* a oplock break request handler */
221 NTSTATUS (*oplock_handler)(struct cli_state *cli, uint16_t fnum, unsigned char level);
223 bool force_dos_errors;
224 bool case_sensitive; /* False by default. */
226 /* Where (if anywhere) this is mounted under DFS. */
227 char *dfs_mountpoint;
229 struct tevent_queue *outgoing;
230 struct tevent_req **pending;
238 /* these times are normally kept in GMT */
239 struct timespec mtime_ts;
240 struct timespec atime_ts;
241 struct timespec ctime_ts;
243 char short_name[13*3]; /* the *3 is to cope with multi-byte */
246 #define CLI_FULL_CONNECTION_DONT_SPNEGO 0x0001
247 #define CLI_FULL_CONNECTION_USE_KERBEROS 0x0002
248 #define CLI_FULL_CONNECTION_ANONYMOUS_FALLBACK 0x0004
249 #define CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS 0x0008
250 #define CLI_FULL_CONNECTION_OPLOCKS 0x0010
251 #define CLI_FULL_CONNECTION_LEVEL_II_OPLOCKS 0x0020
252 #define CLI_FULL_CONNECTION_USE_CCACHE 0x0040
254 #endif /* _CLIENT_H */