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 int aio_pending_size;
24 extern sig_atomic_t aio_signals_received;
25 extern int outstanding_aio_calls;
26 extern uint16_t *aio_pending_array;
29 /* dlink list we store pending lock records on. */
30 extern struct blocking_lock_record *blocking_lock_queue;
32 /* dlink list we move cancelled lock records onto. */
33 extern struct blocking_lock_record *blocking_lock_cancelled_queue;
35 /* The event that makes us process our blocking lock queue */
36 extern struct timed_event *brl_timeout;
38 extern bool blocking_lock_unlock_state;
39 extern bool blocking_lock_cancel_state;
42 struct smbd_dmapi_context;
43 extern struct smbd_dmapi_context *dmapi_ctx;
46 extern connection_struct *Connections;
47 /* number of open connections */
48 extern struct bitmap *bmap;
51 extern bool dfree_broken;
53 extern struct bitmap *dptr_bmap;
55 extern struct dptr_struct *dirptrs;
56 extern int dirhandles_open;
58 /* how many write cache buffers have been allocated */
59 extern unsigned int allocated_write_caches;
61 extern int real_max_open_files;
62 extern struct bitmap *file_bmap;
63 extern files_struct *Files;
64 extern int files_used;
65 /* A singleton cache to speed up searching by dev/inode. */
66 struct fsp_singleton_cache {
70 extern struct fsp_singleton_cache fsp_fi_cache;
71 extern unsigned long file_gen_counter;
72 extern int first_file;
74 extern const struct mangle_fns *mangle_fns;
76 extern unsigned char *chartest;
77 extern TDB_CONTEXT *tdb_mangled_cache;
79 /* these tables are used to provide fast tests for characters */
80 extern unsigned char char_flags[256];
82 this determines how many characters are used from the original filename
83 in the 8.3 mangled name. A larger value leads to a weaker hash and more collisions.
84 The largest possible value is 6.
86 extern unsigned mangle_prefix;
87 extern unsigned char base_reverse[256];
89 extern char *last_from;
93 extern struct msg_state *smbd_msg_state;
95 extern bool global_encrypted_passwords_negotiated;
96 extern bool global_spnego_negotiated;
97 extern struct auth_context *negprot_global_auth_context;
98 extern bool done_negprot;
100 extern bool logged_ioctl_message;
102 /* users from session setup */
103 extern char *session_userlist;
104 /* workgroup from session setup. */
105 extern char *session_workgroup;
106 /* this holds info on user ids that are already validated for this VC */
107 extern user_struct *validated_users;
108 extern uint16_t next_vuid;
109 extern int num_validated_vuids;
111 extern char *my_yp_domain;
114 extern bool already_got_session;
117 * Size of data we can send to client. Set
118 * by the client for all protocols above CORE.
119 * Set by us for CORE protocol.
123 * Size of the data we can receive. Set by us.
124 * Can be modified by the max xmit parameter.
127 extern uint16 last_session_tag;
128 extern int trans_num;
129 extern char *orig_inbuf;
132 extern time_t last_smb_conf_reload_time;
133 extern time_t last_printer_reload_time;
134 /****************************************************************************
135 structure to hold a linked list of queued messages.
137 ****************************************************************************/
138 struct pending_message_list;
139 extern struct pending_message_list *deferred_open_queue;
140 extern uint32_t common_flags2;
142 struct smb_srv_trans_enc_ctx;
143 extern struct smb_srv_trans_enc_ctx *partial_srv_trans_enc_ctx;
144 extern struct smb_srv_trans_enc_ctx *srv_trans_enc_ctx;
148 NT_USER_TOKEN *token;
150 /* A stack of security contexts. We include the current context as being
151 the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */
152 extern struct sec_ctx sec_ctx_stack[MAX_SEC_CTX_DEPTH + 1];
153 extern int sec_ctx_stack_ndx;
154 extern bool become_uid_done;
155 extern bool become_gid_done;
157 extern connection_struct *last_conn;
158 extern uint16_t last_flags;
160 extern struct db_context *session_db_ctx_ptr;
162 extern uint32_t global_client_caps;
163 extern bool done_sesssetup;
164 /****************************************************************************
165 List to store partial SPNEGO auth fragments.
166 ****************************************************************************/
167 struct pending_auth_data;
168 extern struct pending_auth_data *pd_list;
170 extern uint16_t fnf_handle;
173 connection_struct *conn;
176 /* A stack of current_user connection contexts. */
177 extern struct conn_ctx conn_ctx_stack[MAX_SEC_CTX_DEPTH];
178 extern int conn_ctx_stack_ndx;
180 struct vfs_init_function_entry;
181 extern struct vfs_init_function_entry *backends;
182 extern char *sparse_buf;
183 extern char *LastDir;
185 #if HAVE_KERNEL_OPLOCKS_LINUX
186 extern SIG_ATOMIC_T oplock_signals_received;
187 #define FD_PENDING_SIZE 100
188 extern SIG_ATOMIC_T fd_pending_array[FD_PENDING_SIZE];
191 /* Current number of oplocks we have outstanding. */
192 extern int32_t exclusive_oplocks_open;
193 extern int32_t level_II_oplocks_open;
194 extern bool global_client_failed_oplock_break;
195 extern struct kernel_oplocks *koplocks;
197 extern struct notify_mid_map *notify_changes_by_mid;
199 extern int am_parent;
200 extern int server_fd;
201 extern struct event_context *smbd_event_ctx;
202 extern struct messaging_context *smbd_msg_ctx;
203 extern struct memcache *smbd_memcache_ctx;
204 extern bool exit_firsttime;
206 extern struct child_pid *children;
207 extern int num_children;
209 struct smbd_server_connection {
210 struct fd_event *fde;
211 uint64_t num_requests;
213 extern struct smbd_server_connection *smbd_server_conn;
215 void smbd_init_globals(void);