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 const struct mangle_fns
*mangle_fns
= NULL
;
43 unsigned char *chartest
= NULL
;
44 TDB_CONTEXT
*tdb_mangled_cache
= NULL
;
47 this determines how many characters are used from the original filename
48 in the 8.3 mangled name. A larger value leads to a weaker hash and more collisions.
49 The largest possible value is 6.
51 unsigned mangle_prefix
= 0;
53 struct msg_state
*smbd_msg_state
= NULL
;
55 bool logged_ioctl_message
= false;
57 time_t last_smb_conf_reload_time
= 0;
58 time_t last_printer_reload_time
= 0;
59 /****************************************************************************
60 structure to hold a linked list of queued messages.
62 ****************************************************************************/
63 struct pending_message_list
*deferred_open_queue
= NULL
;
64 uint32_t common_flags2
= FLAGS2_LONG_PATH_COMPONENTS
|FLAGS2_32_BIT_ERROR_CODES
|FLAGS2_EXTENDED_ATTRIBUTES
;
66 struct smb_srv_trans_enc_ctx
*partial_srv_trans_enc_ctx
= NULL
;
67 struct smb_srv_trans_enc_ctx
*srv_trans_enc_ctx
= NULL
;
69 /* A stack of security contexts. We include the current context as being
70 the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */
71 struct sec_ctx sec_ctx_stack
[MAX_SEC_CTX_DEPTH
+ 1];
72 int sec_ctx_stack_ndx
= 0;
73 bool become_uid_done
= false;
74 bool become_gid_done
= false;
76 connection_struct
*last_conn
= NULL
;
77 uint16_t last_flags
= 0;
79 uint32_t global_client_caps
= 0;
81 uint16_t fnf_handle
= 257;
83 /* A stack of current_user connection contexts. */
84 struct conn_ctx conn_ctx_stack
[MAX_SEC_CTX_DEPTH
];
85 int conn_ctx_stack_ndx
= 0;
87 struct vfs_init_function_entry
*backends
= NULL
;
88 char *sparse_buf
= NULL
;
91 /* Current number of oplocks we have outstanding. */
92 int32_t exclusive_oplocks_open
= 0;
93 int32_t level_II_oplocks_open
= 0;
94 struct kernel_oplocks
*koplocks
= NULL
;
97 struct memcache
*smbd_memcache_ctx
= NULL
;
98 bool exit_firsttime
= true;
99 struct child_pid
*children
= 0;
100 int num_children
= 0;
102 struct smbd_server_connection
*smbd_server_conn
= NULL
;
104 struct smbd_server_connection
*msg_ctx_to_sconn(struct messaging_context
*msg_ctx
)
106 struct server_id my_id
, msg_id
;
108 my_id
= messaging_server_id(smbd_server_conn
->msg_ctx
);
109 msg_id
= messaging_server_id(msg_ctx
);
111 if (!procid_equal(&my_id
, &msg_id
)) {
114 return smbd_server_conn
;
117 struct messaging_context
*smbd_messaging_context(void)
119 struct messaging_context
*msg_ctx
= server_messaging_context();
120 if (likely(msg_ctx
!= NULL
)) {
123 smb_panic("Could not init smbd's messaging context.\n");
127 struct memcache
*smbd_memcache(void)
129 if (!smbd_memcache_ctx
) {
131 * Note we MUST use the NULL context here, not the
132 * autofree context, to avoid side effects in forked
135 smbd_memcache_ctx
= memcache_init(NULL
,
136 lp_max_stat_cache_size()*1024);
138 if (!smbd_memcache_ctx
) {
139 smb_panic("Could not init smbd memcache");
142 return smbd_memcache_ctx
;
146 void smbd_init_globals(void)
148 ZERO_STRUCT(conn_ctx_stack
);
150 ZERO_STRUCT(sec_ctx_stack
);
152 smbd_server_conn
= talloc_zero(smbd_event_context(), struct smbd_server_connection
);
153 if (!smbd_server_conn
) {
154 exit_server("failed to create smbd_server_connection");
157 smbd_server_conn
->smb1
.echo_handler
.trusted_fd
= -1;
158 smbd_server_conn
->smb1
.echo_handler
.socket_lock_fd
= -1;