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;
30
/* dlink list we store pending lock records on. */
31
struct blocking_lock_record *blocking_lock_queue = NULL;
33
/* dlink list we move cancelled lock records onto. */
34
struct blocking_lock_record *blocking_lock_cancelled_queue = NULL;
36
/* The event that makes us process our blocking lock queue */
37
struct timed_event *brl_timeout = NULL;
39
bool blocking_lock_unlock_state = false;
40
bool blocking_lock_cancel_state = false;
43
struct smbd_dmapi_context *dmapi_ctx = NULL;
46
connection_struct *Connections = NULL;
47
/* number of open connections */
48
struct bitmap *bmap = 0;
52
bool dfree_broken = false;
54
struct bitmap *dptr_bmap = NULL;
55
struct dptr_struct *dirptrs = NULL;
56
int dirhandles_open = 0;
58
/* how many write cache buffers have been allocated */
59
unsigned int allocated_write_caches = 0;
61
int real_max_open_files = 0;
62
struct bitmap *file_bmap = NULL;
63
files_struct *Files = NULL;
65
struct fsp_singleton_cache fsp_fi_cache = {
73
unsigned long file_gen_counter = 0;
76
const struct mangle_fns *mangle_fns = NULL;
78
unsigned char *chartest = NULL;
79
TDB_CONTEXT *tdb_mangled_cache = NULL;
81
/* these tables are used to provide fast tests for characters */
82
unsigned char char_flags[256];
84
this determines how many characters are used from the original filename
85
in the 8.3 mangled name. A larger value leads to a weaker hash and more collisions.
86
The largest possible value is 6.
88
unsigned mangle_prefix = 0;
89
unsigned char base_reverse[256];
91
char *last_from = NULL;
94
struct msg_state *smbd_msg_state = NULL;
96
bool global_encrypted_passwords_negotiated = false;
97
bool global_spnego_negotiated = false;
98
struct auth_context *negprot_global_auth_context = NULL;
99
bool done_negprot = false;
101
bool logged_ioctl_message = false;
103
/* users from session setup */
104
char *session_userlist = NULL;
105
/* workgroup from session setup. */
106
char *session_workgroup = NULL;
107
/* this holds info on user ids that are already validated for this VC */
108
user_struct *validated_users = NULL;
109
uint16_t next_vuid = VUID_OFFSET;
110
int num_validated_vuids = 0;
112
char *my_yp_domain = NULL;
115
bool already_got_session = false;
118
* Size of data we can send to client. Set
119
* by the client for all protocols above CORE.
120
* Set by us for CORE protocol.
122
int max_send = BUFFER_SIZE;
124
* Size of the data we can receive. Set by us.
125
* Can be modified by the max xmit parameter.
127
int max_recv = BUFFER_SIZE;
128
uint16 last_session_tag = UID_FIELD_INVALID;
130
char *orig_inbuf = NULL;
132
time_t last_smb_conf_reload_time = 0;
133
time_t last_printer_reload_time = 0;
134
/****************************************************************************
135
structure to hold a linked list of queued messages.
137
****************************************************************************/
138
struct pending_message_list *deferred_open_queue = NULL;
139
uint32_t common_flags2 = FLAGS2_LONG_PATH_COMPONENTS|FLAGS2_32_BIT_ERROR_CODES;
141
struct smb_srv_trans_enc_ctx *partial_srv_trans_enc_ctx = NULL;
142
struct smb_srv_trans_enc_ctx *srv_trans_enc_ctx = NULL;
144
/* A stack of security contexts. We include the current context as being
145
the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */
146
struct sec_ctx sec_ctx_stack[MAX_SEC_CTX_DEPTH + 1];
147
int sec_ctx_stack_ndx = 0;
148
bool become_uid_done = false;
149
bool become_gid_done = false;
151
connection_struct *last_conn = NULL;
152
uint16_t last_flags = 0;
154
struct db_context *session_db_ctx_ptr = NULL;
156
uint32_t global_client_caps = 0;
157
bool done_sesssetup = false;
158
/****************************************************************************
159
List to store partial SPNEGO auth fragments.
160
****************************************************************************/
161
struct pending_auth_data *pd_list = NULL;
163
uint16_t fnf_handle = 257;
165
/* A stack of current_user connection contexts. */
166
struct conn_ctx conn_ctx_stack[MAX_SEC_CTX_DEPTH];
167
int conn_ctx_stack_ndx = 0;
169
struct vfs_init_function_entry *backends = NULL;
170
char *sparse_buf = NULL;
171
char *LastDir = NULL;
173
/* Current number of oplocks we have outstanding. */
174
int32_t exclusive_oplocks_open = 0;
175
int32_t level_II_oplocks_open = 0;
176
bool global_client_failed_oplock_break = false;
177
struct kernel_oplocks *koplocks = NULL;
179
struct notify_mid_map *notify_changes_by_mid = NULL;
183
struct event_context *smbd_event_ctx = NULL;
184
struct messaging_context *smbd_msg_ctx = NULL;
185
struct memcache *smbd_memcache_ctx = NULL;
186
bool exit_firsttime = true;
187
struct child_pid *children = 0;
188
int num_children = 0;
190
struct smbd_server_connection *smbd_server_conn = NULL;
192
void smbd_init_globals(void)
194
ZERO_STRUCT(char_flags);
195
ZERO_STRUCT(base_reverse);
197
ZERO_STRUCT(conn_ctx_stack);
199
ZERO_STRUCT(sec_ctx_stack);