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 logged_ioctl_message;
96 /* users from session setup */
97 extern char *session_userlist;
98 /* workgroup from session setup. */
99 extern char *session_workgroup;
100 /* this holds info on user ids that are already validated for this VC */
101 extern user_struct *validated_users;
102 extern uint16_t next_vuid;
103 extern int num_validated_vuids;
105 extern char *my_yp_domain;
109 * Size of data we can send to client. Set
110 * by the client for all protocols above CORE.
111 * Set by us for CORE protocol.
114 extern uint16 last_session_tag;
115 extern int trans_num;
118 extern time_t last_smb_conf_reload_time;
119 extern time_t last_printer_reload_time;
120 /****************************************************************************
121 structure to hold a linked list of queued messages.
123 ****************************************************************************/
124 struct pending_message_list;
125 extern struct pending_message_list *deferred_open_queue;
126 extern uint32_t common_flags2;
128 struct smb_srv_trans_enc_ctx;
129 extern struct smb_srv_trans_enc_ctx *partial_srv_trans_enc_ctx;
130 extern struct smb_srv_trans_enc_ctx *srv_trans_enc_ctx;
134 NT_USER_TOKEN *token;
136 /* A stack of security contexts. We include the current context as being
137 the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */
138 extern struct sec_ctx sec_ctx_stack[MAX_SEC_CTX_DEPTH + 1];
139 extern int sec_ctx_stack_ndx;
140 extern bool become_uid_done;
141 extern bool become_gid_done;
143 extern connection_struct *last_conn;
144 extern uint16_t last_flags;
146 extern struct db_context *session_db_ctx_ptr;
148 extern uint32_t global_client_caps;
149 extern bool done_sesssetup;
151 extern uint16_t fnf_handle;
154 connection_struct *conn;
157 /* A stack of current_user connection contexts. */
158 extern struct conn_ctx conn_ctx_stack[MAX_SEC_CTX_DEPTH];
159 extern int conn_ctx_stack_ndx;
161 struct vfs_init_function_entry;
162 extern struct vfs_init_function_entry *backends;
163 extern char *sparse_buf;
164 extern char *LastDir;
166 /* Current number of oplocks we have outstanding. */
167 extern int32_t exclusive_oplocks_open;
168 extern int32_t level_II_oplocks_open;
169 extern bool global_client_failed_oplock_break;
170 extern struct kernel_oplocks *koplocks;
172 extern struct notify_mid_map *notify_changes_by_mid;
174 extern int am_parent;
175 extern int server_fd;
176 extern struct event_context *smbd_event_ctx;
177 extern struct messaging_context *smbd_msg_ctx;
178 extern struct memcache *smbd_memcache_ctx;
179 extern bool exit_firsttime;
181 extern struct child_pid *children;
182 extern int num_children;
184 struct tstream_context;
185 struct smbd_smb2_request;
186 struct smbd_smb2_session;
187 struct smbd_smb2_tcon;
189 DATA_BLOB negprot_spnego(void);
191 NTSTATUS smb2_signing_sign_pdu(DATA_BLOB session_key,
192 struct iovec *vector,
194 NTSTATUS smb2_signing_check_pdu(DATA_BLOB session_key,
195 const struct iovec *vector,
198 bool smbd_is_smb2_header(const uint8_t *inbuf, size_t size);
200 void reply_smb2002(struct smb_request *req, uint16_t choice);
201 void smbd_smb2_first_negprot(struct smbd_server_connection *conn,
202 const uint8_t *inbuf, size_t size);
204 NTSTATUS smbd_smb2_request_error_ex(struct smbd_smb2_request *req,
205 NTSTATUS status, DATA_BLOB *info);
206 NTSTATUS smbd_smb2_request_error(struct smbd_smb2_request *req,
208 NTSTATUS smbd_smb2_request_done_ex(struct smbd_smb2_request *req,
210 DATA_BLOB body, DATA_BLOB *dyn);
211 NTSTATUS smbd_smb2_request_done(struct smbd_smb2_request *req,
212 DATA_BLOB body, DATA_BLOB *dyn);
214 NTSTATUS smbd_smb2_request_check_session(struct smbd_smb2_request *req);
215 NTSTATUS smbd_smb2_request_check_tcon(struct smbd_smb2_request *req);
217 NTSTATUS smbd_smb2_request_process_negprot(struct smbd_smb2_request *req);
218 NTSTATUS smbd_smb2_request_process_sesssetup(struct smbd_smb2_request *req);
219 NTSTATUS smbd_smb2_request_process_logoff(struct smbd_smb2_request *req);
220 NTSTATUS smbd_smb2_request_process_tcon(struct smbd_smb2_request *req);
221 NTSTATUS smbd_smb2_request_process_tdis(struct smbd_smb2_request *req);
222 NTSTATUS smbd_smb2_request_process_keepalive(struct smbd_smb2_request *req);
224 struct smbd_smb2_request {
225 TALLOC_CTX *mem_pool;
227 struct smbd_server_connection *conn;
229 /* the session the request operates on, maybe NULL */
230 struct smbd_smb2_session *session;
232 /* the tcon the request operates on, maybe NULL */
233 struct smbd_smb2_tcon *tcon;
239 /* the NBT header is not allocated */
245 * vector[2] fixed body
246 * vector[3] dynamic body
251 * vector[5] fixed body
252 * vector[6] dynamic body
257 struct iovec *vector;
261 /* the NBT header is not allocated */
267 * vector[2] fixed body
268 * vector[3] dynamic body
273 * vector[5] fixed body
274 * vector[6] dynamic body
279 struct iovec *vector;
284 struct smbd_server_connection;
286 struct smbd_smb2_session {
287 struct smbd_smb2_session *prev, *next;
288 struct smbd_server_connection *conn;
291 AUTH_NTLMSSP_STATE *auth_ntlmssp_state;
292 struct auth_serversupplied_info *server_info;
293 DATA_BLOB session_key;
297 /* an id tree used to allocate tids */
298 struct idr_context *idtree;
300 /* this is the limit of tid values for this connection */
303 struct smbd_smb2_tcon *list;
307 struct smbd_smb2_tcon {
308 struct smbd_smb2_tcon *prev, *next;
309 struct smbd_smb2_session *session;
314 struct pending_auth_data;
316 struct smbd_server_connection {
322 struct fd_event *fde;
323 uint64_t num_requests;
325 bool encrypted_passwords;
327 struct auth_context *auth_context;
330 * Size of the data we can receive. Set by us.
331 * Can be modified by the max xmit parameter.
336 struct smb_signing_state *signing_state;
337 /* List to store partial SPNEGO auth fragments. */
338 struct pending_auth_data *pd_list;
341 struct tevent_context *event_ctx;
342 struct tevent_queue *recv_queue;
343 struct tevent_queue *send_queue;
344 struct tstream_context *stream;
346 /* an id tree used to allocate vuids */
347 /* this holds info on session vuids that are already
348 * validated for this VC */
349 struct idr_context *idtree;
351 /* this is the limit of vuid values for this connection */
354 struct smbd_smb2_session *list;
359 extern struct smbd_server_connection *smbd_server_conn;
361 void smbd_init_globals(void);