source: branches/samba-3.5.x/server/source3/smbd/globals.h@ 711

Last change on this file since 711 was 414, checked in by Herwig Bauernfeind, 16 years ago

Samba 3.5.0: Initial import
File size: 14.3 KB
Line 
1/*
2 Unix SMB/Netbios implementation.
3 smbd globals
4 Copyright (C) Stefan Metzmacher 2009
5
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.
10
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.
15
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/>.
18*/
19
20#if defined(WITH_AIO)
21struct aio_extra;
22extern struct aio_extra *aio_list_head;
23extern struct tevent_signal *aio_signal_event;
24extern int aio_pending_size;
25extern int outstanding_aio_calls;
26#endif
27
28/* dlink list we store pending lock records on. */
29extern struct blocking_lock_record *blocking_lock_queue;
30
31/* dlink list we move cancelled lock records onto. */
32extern struct blocking_lock_record *blocking_lock_cancelled_queue;
33
34/* The event that makes us process our blocking lock queue */
35extern struct timed_event *brl_timeout;
36
37extern bool blocking_lock_unlock_state;
38extern bool blocking_lock_cancel_state;
39
40#ifdef USE_DMAPI
41struct smbd_dmapi_context;
42extern struct smbd_dmapi_context *dmapi_ctx;
43#endif
44
45extern bool dfree_broken;
46
47/* how many write cache buffers have been allocated */
48extern unsigned int allocated_write_caches;
49
50extern int real_max_open_files;
51extern struct bitmap *file_bmap;
52extern files_struct *Files;
53extern int files_used;
54/* A singleton cache to speed up searching by dev/inode. */
55struct fsp_singleton_cache {
56 files_struct *fsp;
57 struct file_id id;
58};
59extern struct fsp_singleton_cache fsp_fi_cache;
60extern unsigned long file_gen_counter;
61extern int first_file;
62
63extern const struct mangle_fns *mangle_fns;
64
65extern unsigned char *chartest;
66extern TDB_CONTEXT *tdb_mangled_cache;
67
68/* these tables are used to provide fast tests for characters */
69extern unsigned char char_flags[256];
70/*
71 this determines how many characters are used from the original filename
72 in the 8.3 mangled name. A larger value leads to a weaker hash and more collisions.
73 The largest possible value is 6.
74*/
75extern unsigned mangle_prefix;
76extern unsigned char base_reverse[256];
77
78extern char *last_from;
79extern char *last_to;
80
81struct msg_state;
82extern struct msg_state *smbd_msg_state;
83
84extern bool logged_ioctl_message;
85
86extern int trans_num;
87
88extern pid_t mypid;
89extern time_t last_smb_conf_reload_time;
90extern time_t last_printer_reload_time;
91/****************************************************************************
92 structure to hold a linked list of queued messages.
93 for processing.
94****************************************************************************/
95struct pending_message_list;
96extern struct pending_message_list *deferred_open_queue;
97extern uint32_t common_flags2;
98
99struct smb_srv_trans_enc_ctx;
100extern struct smb_srv_trans_enc_ctx *partial_srv_trans_enc_ctx;
101extern struct smb_srv_trans_enc_ctx *srv_trans_enc_ctx;
102
103struct sec_ctx {
104 UNIX_USER_TOKEN ut;
105 NT_USER_TOKEN *token;
106};
107/* A stack of security contexts. We include the current context as being
108 the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */
109extern struct sec_ctx sec_ctx_stack[MAX_SEC_CTX_DEPTH + 1];
110extern int sec_ctx_stack_ndx;
111extern bool become_uid_done;
112extern bool become_gid_done;
113
114extern connection_struct *last_conn;
115extern uint16_t last_flags;
116
117extern struct db_context *session_db_ctx_ptr;
118
119extern uint32_t global_client_caps;
120
121extern uint16_t fnf_handle;
122
123struct conn_ctx {
124 connection_struct *conn;
125 uint16 vuid;
126};
127/* A stack of current_user connection contexts. */
128extern struct conn_ctx conn_ctx_stack[MAX_SEC_CTX_DEPTH];
129extern int conn_ctx_stack_ndx;
130
131struct vfs_init_function_entry;
132extern struct vfs_init_function_entry *backends;
133extern char *sparse_buf;
134extern char *LastDir;
135
136/* Current number of oplocks we have outstanding. */
137extern int32_t exclusive_oplocks_open;
138extern int32_t level_II_oplocks_open;
139extern bool global_client_failed_oplock_break;
140extern struct kernel_oplocks *koplocks;
141
142extern int am_parent;
143extern int server_fd;
144extern struct event_context *smbd_event_ctx;
145extern struct messaging_context *smbd_msg_ctx;
146extern struct memcache *smbd_memcache_ctx;
147extern bool exit_firsttime;
148struct child_pid;
149extern struct child_pid *children;
150extern int num_children;
151
152struct tstream_context;
153struct smbd_smb2_request;
154struct smbd_smb2_session;
155struct smbd_smb2_tcon;
156
157DATA_BLOB negprot_spnego(void);
158
159NTSTATUS smb2_signing_sign_pdu(DATA_BLOB session_key,
160 struct iovec *vector,
161 int count);
162NTSTATUS smb2_signing_check_pdu(DATA_BLOB session_key,
163 const struct iovec *vector,
164 int count);
165
166struct smbd_lock_element {
167 uint32_t smbpid;
168 enum brl_type brltype;
169 uint64_t offset;
170 uint64_t count;
171};
172
173NTSTATUS smbd_do_locking(struct smb_request *req,
174 files_struct *fsp,
175 uint8_t type,
176 int32_t timeout,
177 uint16_t num_ulocks,
178 struct smbd_lock_element *ulocks,
179 uint16_t num_locks,
180 struct smbd_lock_element *locks,
181 bool *async);
182
183NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
184 TALLOC_CTX *mem_ctx,
185 uint16_t info_level,
186 files_struct *fsp,
187 struct smb_filename *smb_fname,
188 bool delete_pending,
189 struct timespec write_time_ts,
190 bool ms_dfs_link,
191 struct ea_list *ea_list,
192 int lock_data_count,
193 char *lock_data,
194 uint16_t flags2,
195 unsigned int max_data_bytes,
196 char **ppdata,
197 unsigned int *pdata_size);