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 connection_struct
*Connections
;
46 /* number of open connections */
47 extern struct bitmap
*bmap
;
50 extern bool dfree_broken
;
52 extern struct bitmap
*dptr_bmap
;
54 extern struct dptr_struct
*dirptrs
;
55 extern int dirhandles_open
;
57 /* how many write cache buffers have been allocated */
58 extern unsigned int allocated_write_caches
;
60 extern int real_max_open_files
;
61 extern struct bitmap
*file_bmap
;
62 extern files_struct
*Files
;
63 extern int files_used
;
64 /* A singleton cache to speed up searching by dev/inode. */
65 struct fsp_singleton_cache
{
69 extern struct fsp_singleton_cache fsp_fi_cache
;
70 extern unsigned long file_gen_counter
;
71 extern int first_file
;
73 extern const struct mangle_fns
*mangle_fns
;
75 extern unsigned char *chartest
;
76 extern TDB_CONTEXT
*tdb_mangled_cache
;
78 /* these tables are used to provide fast tests for characters */
79 extern unsigned char char_flags
[256];
81 this determines how many characters are used from the original filename
82 in the 8.3 mangled name. A larger value leads to a weaker hash and more collisions.
83 The largest possible value is 6.
85 extern unsigned mangle_prefix
;
86 extern unsigned char base_reverse
[256];
88 extern char *last_from
;
92 extern struct msg_state
*smbd_msg_state
;
94 extern bool global_encrypted_passwords_negotiated
;
95 extern bool global_spnego_negotiated
;
96 extern struct auth_context
*negprot_global_auth_context
;
97 extern bool done_negprot
;
99 extern bool logged_ioctl_message
;
101 /* users from session setup */
102 extern char *session_userlist
;
103 /* workgroup from session setup. */
104 extern char *session_workgroup
;
105 /* this holds info on user ids that are already validated for this VC */
106 extern user_struct
*validated_users
;
107 extern uint16_t next_vuid
;
108 extern int num_validated_vuids
;
110 extern char *my_yp_domain
;
113 extern bool already_got_session
;
116 * Size of data we can send to client. Set
117 * by the client for all protocols above CORE.
118 * Set by us for CORE protocol.
122 * Size of the data we can receive. Set by us.
123 * Can be modified by the max xmit parameter.
126 extern uint16 last_session_tag
;
127 extern int trans_num
;
128 extern char *orig_inbuf
;
131 extern time_t last_smb_conf_reload_time
;
132 extern time_t last_printer_reload_time
;
133 /****************************************************************************
134 structure to hold a linked list of queued messages.
136 ****************************************************************************/
137 struct pending_message_list
;
138 extern struct pending_message_list
*deferred_open_queue
;
139 extern uint32_t common_flags2
;
141 struct smb_srv_trans_enc_ctx
;
142 extern struct smb_srv_trans_enc_ctx
*partial_srv_trans_enc_ctx
;
143 extern struct smb_srv_trans_enc_ctx
*srv_trans_enc_ctx
;
147 NT_USER_TOKEN
*token
;
149 /* A stack of security contexts. We include the current context as being
150 the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */
151 extern struct sec_ctx sec_ctx_stack
[MAX_SEC_CTX_DEPTH
+ 1];
152 extern int sec_ctx_stack_ndx
;
153 extern bool become_uid_done
;
154 extern bool become_gid_done
;
156 extern connection_struct
*last_conn
;
157 extern uint16_t last_flags
;
159 extern struct db_context
*session_db_ctx_ptr
;
161 extern uint32_t global_client_caps
;
162 extern bool done_sesssetup
;
163 /****************************************************************************
164 List to store partial SPNEGO auth fragments.
165 ****************************************************************************/
166 struct pending_auth_data
;
167 extern struct pending_auth_data
*pd_list
;
169 extern uint16_t fnf_handle
;
172 connection_struct
*conn
;
175 /* A stack of current_user connection contexts. */
176 extern struct conn_ctx conn_ctx_stack
[MAX_SEC_CTX_DEPTH
];
177 extern int conn_ctx_stack_ndx
;
179 struct vfs_init_function_entry
;
180 extern struct vfs_init_function_entry
*backends
;
181 extern char *sparse_buf
;
182 extern char *LastDir
;
184 /* Current number of oplocks we have outstanding. */
185 extern int32_t exclusive_oplocks_open
;
186 extern int32_t level_II_oplocks_open
;
187 extern bool global_client_failed_oplock_break
;
188 extern struct kernel_oplocks
*koplocks
;
190 extern struct notify_mid_map
*notify_changes_by_mid
;
192 extern int am_parent
;
193 extern int server_fd
;
194 extern struct event_context
*smbd_event_ctx
;
195 extern struct messaging_context
*smbd_msg_ctx
;
196 extern struct memcache
*smbd_memcache_ctx
;
197 extern bool exit_firsttime
;
199 extern struct child_pid
*children
;
200 extern int num_children
;
202 struct tstream_context
;
203 struct smbd_smb2_request
;
205 DATA_BLOB
negprot_spnego(void);
207 bool smbd_is_smb2_header(const uint8_t *inbuf
, size_t size
);
209 void smbd_smb2_first_negprot(struct smbd_server_connection
*conn
,
210 const uint8_t *inbuf
, size_t size
);
212 NTSTATUS
smbd_smb2_request_error_ex(struct smbd_smb2_request
*req
,
213 NTSTATUS status
, DATA_BLOB
*info
);
214 NTSTATUS
smbd_smb2_request_error(struct smbd_smb2_request
*req
,
216 NTSTATUS
smbd_smb2_request_done(struct smbd_smb2_request
*req
,
217 DATA_BLOB body
, DATA_BLOB
*dyn
);
219 struct smbd_smb2_request
{
220 TALLOC_CTX
*mem_pool
;
222 struct smbd_server_connection
*conn
;
227 /* the NBT header is not allocated */
233 * vector[2] fixed body
234 * vector[3] dynamic body
239 * vector[5] fixed body
240 * vector[6] dynamic body
245 struct iovec
*vector
;
249 /* the NBT header is not allocated */
255 * vector[2] fixed body
256 * vector[3] dynamic body
261 * vector[5] fixed body
262 * vector[6] dynamic body
267 struct iovec
*vector
;
272 struct smbd_server_connection
{
273 struct fd_event
*fde
;
274 uint64_t num_requests
;
275 struct smb_signing_state
*signing_state
;
278 struct tevent_context
*event_ctx
;
279 struct tevent_queue
*recv_queue
;
280 struct tevent_queue
*send_queue
;
281 struct tstream_context
*stream
;
285 extern struct smbd_server_connection
*smbd_server_conn
;
287 void smbd_init_globals(void);