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"
25 struct aio_extra
*aio_list_head
= NULL
;
26 struct tevent_signal
*aio_signal_event
= NULL
;
27 int aio_pending_size
= 0;
28 int outstanding_aio_calls
= 0;
32 struct smbd_dmapi_context
*dmapi_ctx
= NULL
;
36 bool dfree_broken
= false;
38 /* how many write cache buffers have been allocated */
39 unsigned int allocated_write_caches
= 0;
41 int real_max_open_files
= 0;
42 struct bitmap
*file_bmap
= NULL
;
43 files_struct
*Files
= NULL
;
45 struct fsp_singleton_cache fsp_fi_cache
= {
53 unsigned long file_gen_counter
= 0;
56 const struct mangle_fns
*mangle_fns
= NULL
;
58 unsigned char *chartest
= NULL
;
59 TDB_CONTEXT
*tdb_mangled_cache
= NULL
;
62 this determines how many characters are used from the original filename
63 in the 8.3 mangled name. A larger value leads to a weaker hash and more collisions.
64 The largest possible value is 6.
66 unsigned mangle_prefix
= 0;
68 struct msg_state
*smbd_msg_state
= NULL
;
70 bool logged_ioctl_message
= false;
73 time_t last_smb_conf_reload_time
= 0;
74 time_t last_printer_reload_time
= 0;
75 /****************************************************************************
76 structure to hold a linked list of queued messages.
78 ****************************************************************************/
79 struct pending_message_list
*deferred_open_queue
= NULL
;
80 uint32_t common_flags2
= FLAGS2_LONG_PATH_COMPONENTS
|FLAGS2_32_BIT_ERROR_CODES
|FLAGS2_EXTENDED_ATTRIBUTES
;
82 struct smb_srv_trans_enc_ctx
*partial_srv_trans_enc_ctx
= NULL
;
83 struct smb_srv_trans_enc_ctx
*srv_trans_enc_ctx
= NULL
;
85 /* A stack of security contexts. We include the current context as being
86 the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */
87 struct sec_ctx sec_ctx_stack
[MAX_SEC_CTX_DEPTH
+ 1];
88 int sec_ctx_stack_ndx
= 0;
89 bool become_uid_done
= false;
90 bool become_gid_done
= false;
92 connection_struct
*last_conn
= NULL
;
93 uint16_t last_flags
= 0;
95 uint32_t global_client_caps
= 0;
97 uint16_t fnf_handle
= 257;
99 /* A stack of current_user connection contexts. */
100 struct conn_ctx conn_ctx_stack
[MAX_SEC_CTX_DEPTH
];
101 int conn_ctx_stack_ndx
= 0;
103 struct vfs_init_function_entry
*backends
= NULL
;
104 char *sparse_buf
= NULL
;
105 char *LastDir
= NULL
;
107 /* Current number of oplocks we have outstanding. */
108 int32_t exclusive_oplocks_open
= 0;
109 int32_t level_II_oplocks_open
= 0;
110 struct kernel_oplocks
*koplocks
= NULL
;
114 struct memcache
*smbd_memcache_ctx
= NULL
;
115 bool exit_firsttime
= true;
116 struct child_pid
*children
= 0;
117 int num_children
= 0;
119 struct smbd_server_connection
*smbd_server_conn
= NULL
;
121 struct messaging_context
*smbd_messaging_context(void)
123 return server_messaging_context();
126 struct memcache
*smbd_memcache(void)
128 if (!smbd_memcache_ctx
) {
130 * Note we MUST use the NULL context here, not the
131 * autofree context, to avoid side effects in forked
134 smbd_memcache_ctx
= memcache_init(NULL
,
135 lp_max_stat_cache_size()*1024);
137 if (!smbd_memcache_ctx
) {
138 smb_panic("Could not init smbd memcache");
141 return smbd_memcache_ctx
;
145 void smbd_init_globals(void)
147 ZERO_STRUCT(conn_ctx_stack
);
149 ZERO_STRUCT(sec_ctx_stack
);
151 smbd_server_conn
= talloc_zero(smbd_event_context(), struct smbd_server_connection
);
152 if (!smbd_server_conn
) {
153 exit_server("failed to create smbd_server_connection");
156 smbd_server_conn
->smb1
.echo_handler
.trusted_fd
= -1;
157 smbd_server_conn
->smb1
.echo_handler
.socket_lock_fd
= -1;