2 Unix SMB/Netbios implementation.
4 Copyright (C) Stefan Metzmacher 2009
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 extern struct aio_extra
*aio_list_head
;
23 extern struct tevent_signal
*aio_signal_event
;
24 extern int aio_pending_size
;
25 extern int outstanding_aio_calls
;
28 /* dlink list we store pending lock records on. */
29 extern struct blocking_lock_record
*blocking_lock_queue
;
31 /* dlink list we move cancelled lock records onto. */
32 extern struct blocking_lock_record
*blocking_lock_cancelled_queue
;
34 /* The event that makes us process our blocking lock queue */
35 extern struct timed_event
*brl_timeout
;
37 extern bool blocking_lock_unlock_state
;
38 extern bool blocking_lock_cancel_state
;
41 struct smbd_dmapi_context
;
42 extern struct smbd_dmapi_context
*dmapi_ctx
;
45 extern bool dfree_broken
;
47 extern struct bitmap
*dptr_bmap
;
49 extern struct dptr_struct
*dirptrs
;
50 extern int dirhandles_open
;
52 /* how many write cache buffers have been allocated */
53 extern unsigned int allocated_write_caches
;
55 extern int real_max_open_files
;
56 extern struct bitmap
*file_bmap
;
57 extern files_struct
*Files
;
58 extern int files_used
;
59 /* A singleton cache to speed up searching by dev/inode. */
60 struct fsp_singleton_cache
{
64 extern struct fsp_singleton_cache fsp_fi_cache
;
65 extern unsigned long file_gen_counter
;
66 extern int first_file
;
68 extern const struct mangle_fns
*mangle_fns
;
70 extern unsigned char *chartest
;
71 extern TDB_CONTEXT
*tdb_mangled_cache
;
73 /* these tables are used to provide fast tests for characters */
74 extern unsigned char char_flags
[256];
76 this determines how many characters are used from the original filename
77 in the 8.3 mangled name. A larger value leads to a weaker hash and more collisions.
78 The largest possible value is 6.
80 extern unsigned mangle_prefix
;
81 extern unsigned char base_reverse
[256];
83 extern char *last_from
;
87 extern struct msg_state
*smbd_msg_state
;
89 extern bool logged_ioctl_message
;
94 extern time_t last_smb_conf_reload_time
;
95 extern time_t last_printer_reload_time
;
96 /****************************************************************************
97 structure to hold a linked list of queued messages.
99 ****************************************************************************/
100 struct pending_message_list
;
101 extern struct pending_message_list
*deferred_open_queue
;
102 extern uint32_t common_flags2
;
104 struct smb_srv_trans_enc_ctx
;
105 extern struct smb_srv_trans_enc_ctx
*partial_srv_trans_enc_ctx
;
106 extern struct smb_srv_trans_enc_ctx
*srv_trans_enc_ctx
;
110 NT_USER_TOKEN
*token
;
112 /* A stack of security contexts. We include the current context as being
113 the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */
114 extern struct sec_ctx sec_ctx_stack
[MAX_SEC_CTX_DEPTH
+ 1];
115 extern int sec_ctx_stack_ndx
;
116 extern bool become_uid_done
;
117 extern bool become_gid_done
;
119 extern connection_struct
*last_conn
;
120 extern uint16_t last_flags
;
122 extern struct db_context
*session_db_ctx_ptr
;
124 extern uint32_t global_client_caps
;
126 extern uint16_t fnf_handle
;
129 connection_struct
*conn
;
132 /* A stack of current_user connection contexts. */
133 extern struct conn_ctx conn_ctx_stack
[MAX_SEC_CTX_DEPTH
];
134 extern int conn_ctx_stack_ndx
;
136 struct vfs_init_function_entry
;
137 extern struct vfs_init_function_entry
*backends
;
138 extern char *sparse_buf
;
139 extern char *LastDir
;
141 /* Current number of oplocks we have outstanding. */
142 extern int32_t exclusive_oplocks_open
;
143 extern int32_t level_II_oplocks_open
;
144 extern bool global_client_failed_oplock_break
;
145 extern struct kernel_oplocks
*koplocks
;
147 extern struct notify_mid_map
*notify_changes_by_mid
;
149 extern int am_parent
;
150 extern int server_fd
;
151 extern struct event_context
*smbd_event_ctx
;
152 extern struct messaging_context
*smbd_msg_ctx
;
153 extern struct memcache
*smbd_memcache_ctx
;
154 extern bool exit_firsttime
;
156 extern struct child_pid
*children
;
157 extern int num_children
;
159 struct tstream_context
;
160 struct smbd_smb2_request
;
161 struct smbd_smb2_session
;
162 struct smbd_smb2_tcon
;
164 DATA_BLOB
negprot_spnego(void);
166 NTSTATUS
smb2_signing_sign_pdu(DATA_BLOB session_key
,
167 struct iovec
*vector
,
169 NTSTATUS
smb2_signing_check_pdu(DATA_BLOB session_key
,
170 const struct iovec
*vector
,
173 void smbd_server_connection_terminate_ex(struct smbd_server_connection
*sconn
,
175 const char *location
);
176 #define smbd_server_connection_terminate(sconn, reason) \
177 smbd_server_connection_terminate_ex(sconn, reason, __location__)
179 bool smbd_is_smb2_header(const uint8_t *inbuf
, size_t size
);
181 void reply_smb2002(struct smb_request
*req
, uint16_t choice
);
182 void smbd_smb2_first_negprot(struct smbd_server_connection
*conn
,
183 const uint8_t *inbuf
, size_t size
);
185 NTSTATUS
smbd_smb2_request_error_ex(struct smbd_smb2_request
*req
,
188 const char *location
);
189 #define smbd_smb2_request_error(req, status) \
190 smbd_smb2_request_error_ex(req, status, NULL, __location__)
191 NTSTATUS
smbd_smb2_request_done_ex(struct smbd_smb2_request
*req
,
193 DATA_BLOB body
, DATA_BLOB
*dyn
,
194 const char *location
);
195 #define smbd_smb2_request_done(req, body, dyn) \
196 smbd_smb2_request_done_ex(req, NT_STATUS_OK, body, dyn, __location__)
198 NTSTATUS
smbd_smb2_request_check_session(struct smbd_smb2_request
*req
);
199 NTSTATUS
smbd_smb2_request_check_tcon(struct smbd_smb2_request
*req
);
201 struct smb_request
*smbd_smb2_fake_smb_request(struct smbd_smb2_request
*req
);
203 NTSTATUS
smbd_smb2_request_process_negprot(struct smbd_smb2_request
*req
);
204 NTSTATUS
smbd_smb2_request_process_sesssetup(struct smbd_smb2_request
*req
);
205 NTSTATUS
smbd_smb2_request_process_logoff(struct smbd_smb2_request
*req
);
206 NTSTATUS
smbd_smb2_request_process_tcon(struct smbd_smb2_request
*req
);
207 NTSTATUS
smbd_smb2_request_process_tdis(struct smbd_smb2_request
*req
);
208 NTSTATUS
smbd_smb2_request_process_create(struct smbd_smb2_request
*req
);
209 NTSTATUS
smbd_smb2_request_process_close(struct smbd_smb2_request
*req
);
210 NTSTATUS
smbd_smb2_request_process_flush(struct smbd_smb2_request
*req
);
211 NTSTATUS
smbd_smb2_request_process_read(struct smbd_smb2_request
*req
);
212 NTSTATUS
smbd_smb2_request_process_write(struct smbd_smb2_request
*req
);
213 NTSTATUS
smbd_smb2_request_process_ioctl(struct smbd_smb2_request
*req
);
214 NTSTATUS
smbd_smb2_request_process_keepalive(struct smbd_smb2_request
*req
);
216 struct smbd_smb2_request
{
217 TALLOC_CTX
*mem_pool
;
219 struct smbd_server_connection
*conn
;
221 /* the session the request operates on, maybe NULL */
222 struct smbd_smb2_session
*session
;
224 /* the tcon the request operates on, maybe NULL */
225 struct smbd_smb2_tcon
*tcon
;
230 struct files_struct
*compat_chain_fsp
;
232 NTSTATUS next_status
;
235 /* the NBT header is not allocated */
241 * vector[2] fixed body
242 * vector[3] dynamic body
247 * vector[5] fixed body
248 * vector[6] dynamic body
253 struct iovec
*vector
;
257 /* the NBT header is not allocated */
263 * vector[2] fixed body
264 * vector[3] dynamic body
269 * vector[5] fixed body
270 * vector[6] dynamic body
275 struct iovec
*vector
;
280 struct smbd_server_connection
;
282 struct smbd_smb2_session
{
283 struct smbd_smb2_session
*prev
, *next
;
284 struct smbd_server_connection
*conn
;
287 AUTH_NTLMSSP_STATE
*auth_ntlmssp_state
;
288 struct auth_serversupplied_info
*server_info
;
289 DATA_BLOB session_key
;
292 user_struct
*compat_vuser
;
295 /* an id tree used to allocate tids */
296 struct idr_context
*idtree
;
298 /* this is the limit of tid values for this connection */
301 struct smbd_smb2_tcon
*list
;
305 struct smbd_smb2_tcon
{
306 struct smbd_smb2_tcon
*prev
, *next
;
307 struct smbd_smb2_session
*session
;
310 connection_struct
*compat_conn
;
313 struct pending_auth_data
;
315 struct smbd_server_connection
{
321 struct fd_event
*fde
;
322 uint64_t num_requests
;
324 bool encrypted_passwords
;
326 struct auth_context
*auth_context
;
329 * Size of the data we can receive. Set by us.
330 * Can be modified by the max xmit parameter.
338 * Size of data we can send to client. Set
339 * by the client for all protocols above CORE.
340 * Set by us for CORE protocol.
343 uint16_t last_session_tag
;
345 /* users from session setup */
346 char *session_userlist
;
347 /* workgroup from session setup. */
348 char *session_workgroup
;
350 * this holds info on user ids that are already
351 * validated for this VC
353 user_struct
*validated_users
;
355 int num_validated_vuids
;
361 connection_struct
*Connections
;
362 /* number of open connections */
366 struct smb_signing_state
*signing_state
;
367 /* List to store partial SPNEGO auth fragments. */
368 struct pending_auth_data
*pd_list
;
371 struct tevent_context
*event_ctx
;
372 struct tevent_queue
*recv_queue
;
373 struct tevent_queue
*send_queue
;
374 struct tstream_context
*stream
;
376 /* an id tree used to allocate vuids */
377 /* this holds info on session vuids that are already
378 * validated for this VC */
379 struct idr_context
*idtree
;
381 /* this is the limit of vuid values for this connection */
384 struct smbd_smb2_session
*list
;
389 extern struct smbd_server_connection
*smbd_server_conn
;
391 void smbd_init_globals(void);