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;
131 time_t last_smb_conf_reload_time = 0;
132 time_t last_printer_reload_time = 0;
133 /****************************************************************************
134 structure to hold a linked list of queued messages.
136 ****************************************************************************/
137 struct pending_message_list *deferred_open_queue = NULL;
138 uint32_t common_flags2 = FLAGS2_LONG_PATH_COMPONENTS|FLAGS2_32_BIT_ERROR_CODES;
140 struct smb_srv_trans_enc_ctx *partial_srv_trans_enc_ctx = NULL;
141 struct smb_srv_trans_enc_ctx *srv_trans_enc_ctx = NULL;
143 /* A stack of security contexts. We include the current context as being
144 the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */
145 struct sec_ctx sec_ctx_stack[MAX_SEC_CTX_DEPTH + 1];
146 int sec_ctx_stack_ndx = 0;
147 bool become_uid_done = false;
148 bool become_gid_done = false;
150 connection_struct *last_conn = NULL;
151 uint16_t last_flags = 0;
153 struct db_context *session_db_ctx_ptr = NULL;
155 uint32_t global_client_caps = 0;
156 bool done_sesssetup = false;
158 uint16_t fnf_handle = 257;
160 /* A stack of current_user connection contexts. */
161 struct conn_ctx conn_ctx_stack[MAX_SEC_CTX_DEPTH];
162 int conn_ctx_stack_ndx = 0;
164 struct vfs_init_function_entry *backends = NULL;
165 char *sparse_buf = NULL;
166 char *LastDir = NULL;
168 /* Current number of oplocks we have outstanding. */
169 int32_t exclusive_oplocks_open = 0;
170 int32_t level_II_oplocks_open = 0;
171 bool global_client_failed_oplock_break = false;
172 struct kernel_oplocks *koplocks = NULL;
174 struct notify_mid_map *notify_changes_by_mid = NULL;
178 struct event_context *smbd_event_ctx = NULL;
179 struct messaging_context *smbd_msg_ctx = NULL;
180 struct memcache *smbd_memcache_ctx = NULL;
181 bool exit_firsttime = true;
182 struct child_pid *children = 0;
183 int num_children = 0;
185 struct smbd_server_connection *smbd_server_conn = NULL;
187 void smbd_init_globals(void)
189 ZERO_STRUCT(char_flags);
190 ZERO_STRUCT(base_reverse);
192 ZERO_STRUCT(conn_ctx_stack);
194 ZERO_STRUCT(sec_ctx_stack);