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/>.
21 #include "smbd/globals.h"
24 struct aio_extra
*aio_list_head
= NULL
;
25 struct tevent_signal
*aio_signal_event
= NULL
;
26 int aio_pending_size
= 0;
27 int outstanding_aio_calls
= 0;
31 struct smbd_dmapi_context
*dmapi_ctx
= NULL
;
35 bool dfree_broken
= false;
37 /* how many write cache buffers have been allocated */
38 unsigned int allocated_write_caches
= 0;
40 int real_max_open_files
= 0;
41 struct bitmap
*file_bmap
= NULL
;
42 files_struct
*Files
= NULL
;
44 struct fsp_singleton_cache fsp_fi_cache
= {
52 unsigned long file_gen_counter
= 0;
55 const struct mangle_fns
*mangle_fns
= NULL
;
57 unsigned char *chartest
= NULL
;
58 TDB_CONTEXT
*tdb_mangled_cache
= NULL
;
60 /* these tables are used to provide fast tests for characters */
61 unsigned char char_flags
[256];
63 this determines how many characters are used from the original filename
64 in the 8.3 mangled name. A larger value leads to a weaker hash and more collisions.
65 The largest possible value is 6.
67 unsigned mangle_prefix
= 0;
68 unsigned char base_reverse
[256];
70 char *last_from
= NULL
;
73 struct msg_state
*smbd_msg_state
= NULL
;
75 bool logged_ioctl_message
= false;
79 time_t last_smb_conf_reload_time
= 0;
80 time_t last_printer_reload_time
= 0;
81 /****************************************************************************
82 structure to hold a linked list of queued messages.
84 ****************************************************************************/
85 struct pending_message_list
*deferred_open_queue
= NULL
;
86 uint32_t common_flags2
= FLAGS2_LONG_PATH_COMPONENTS
|FLAGS2_32_BIT_ERROR_CODES
|FLAGS2_EXTENDED_ATTRIBUTES
;
88 struct smb_srv_trans_enc_ctx
*partial_srv_trans_enc_ctx
= NULL
;
89 struct smb_srv_trans_enc_ctx
*srv_trans_enc_ctx
= NULL
;
91 /* A stack of security contexts. We include the current context as being
92 the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */
93 struct sec_ctx sec_ctx_stack
[MAX_SEC_CTX_DEPTH
+ 1];
94 int sec_ctx_stack_ndx
= 0;
95 bool become_uid_done
= false;
96 bool become_gid_done
= false;
98 connection_struct
*last_conn
= NULL
;
99 uint16_t last_flags
= 0;
101 uint32_t global_client_caps
= 0;
103 uint16_t fnf_handle
= 257;
105 /* A stack of current_user connection contexts. */
106 struct conn_ctx conn_ctx_stack
[MAX_SEC_CTX_DEPTH
];
107 int conn_ctx_stack_ndx
= 0;
109 struct vfs_init_function_entry
*backends
= NULL
;
110 char *sparse_buf
= NULL
;
112 /* Current number of oplocks we have outstanding. */
113 int32_t exclusive_oplocks_open
= 0;
114 int32_t level_II_oplocks_open
= 0;
115 struct kernel_oplocks
*koplocks
= NULL
;
119 struct event_context
*smbd_event_ctx
= NULL
;
120 struct messaging_context
*smbd_msg_ctx
= NULL
;
121 struct memcache
*smbd_memcache_ctx
= NULL
;
122 bool exit_firsttime
= true;
123 struct child_pid
*children
= 0;
124 int num_children
= 0;
126 struct smbd_server_connection
*smbd_server_conn
= NULL
;
128 void smbd_init_globals(void)
130 ZERO_STRUCT(char_flags
);
131 ZERO_STRUCT(base_reverse
);
133 ZERO_STRUCT(conn_ctx_stack
);
135 ZERO_STRUCT(sec_ctx_stack
);
137 smbd_server_conn
= talloc_zero(smbd_event_context(), struct smbd_server_connection
);
138 if (!smbd_server_conn
) {
139 exit_server("failed to create smbd_server_connection");
142 smbd_server_conn
->smb1
.echo_handler
.trusted_fd
= -1;
143 smbd_server_conn
->smb1
.echo_handler
.socket_lock_fd
= -1;