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mirror of https://github.com/samba-team/samba.git synced 2024-12-23 17:34:34 +03:00
samba-mirror/source3/smbd/globals.h
Ira Cooper 233b32b771 s3: Make SMB2_GETINFO multi-volume aware.
Not all shares are a single volume.  Some actually
expose multiple volumes under a single share.  In these
cases showing the amount of space free as the space free
at the base of the directory heirarchy is wrong.

Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Feb  8 21:44:37 CET 2013 on sn-devel-104
2013-02-08 21:44:37 +01:00

796 lines
24 KiB
C

/*
Unix SMB/Netbios implementation.
smbd globals
Copyright (C) Stefan Metzmacher 2009
Copyright (C) Jeremy Allison 2010
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "system/select.h"
#include "librpc/gen_ndr/smbXsrv.h"
extern int aio_pending_size;
extern int outstanding_aio_calls;
#ifdef USE_DMAPI
struct smbd_dmapi_context;
extern struct smbd_dmapi_context *dmapi_ctx;
#endif
extern bool dfree_broken;
/* how many write cache buffers have been allocated */
extern unsigned int allocated_write_caches;
/* A singleton cache to speed up searching by dev/inode. */
struct fsp_singleton_cache {
files_struct *fsp;
struct file_id id;
};
extern const struct mangle_fns *mangle_fns;
extern unsigned char *chartest;
struct tdb_context;
extern struct tdb_context *tdb_mangled_cache;
/*
this determines how many characters are used from the original filename
in the 8.3 mangled name. A larger value leads to a weaker hash and more collisions.
The largest possible value is 6.
*/
extern unsigned mangle_prefix;
struct msg_state;
extern bool logged_ioctl_message;
extern int trans_num;
extern time_t last_smb_conf_reload_time;
extern time_t last_printer_reload_time;
extern pid_t background_lpq_updater_pid;
/****************************************************************************
structure to hold a linked list of queued messages.
for processing.
****************************************************************************/
extern uint32_t common_flags2;
extern struct smb_trans_enc_state *partial_srv_trans_enc_ctx;
extern struct smb_trans_enc_state *srv_trans_enc_ctx;
struct sec_ctx {
struct security_unix_token ut;
struct security_token *token;
};
/* A stack of security contexts. We include the current context as being
the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */
extern struct sec_ctx sec_ctx_stack[MAX_SEC_CTX_DEPTH + 1];
extern int sec_ctx_stack_ndx;
extern bool become_uid_done;
extern bool become_gid_done;
extern connection_struct *last_conn;
extern uint16_t last_flags;
extern uint32_t global_client_caps;
extern uint16_t fnf_handle;
struct conn_ctx {
connection_struct *conn;
uint64_t vuid;
};
/* A stack of current_user connection contexts. */
extern struct conn_ctx conn_ctx_stack[MAX_SEC_CTX_DEPTH];
extern int conn_ctx_stack_ndx;
struct vfs_init_function_entry;
extern struct vfs_init_function_entry *backends;
extern char *sparse_buf;
extern char *LastDir;
struct smbd_parent_context;
extern struct smbd_parent_context *am_parent;
extern struct memcache *smbd_memcache_ctx;
extern bool exit_firsttime;
struct tstream_context;
struct smbd_smb2_request;
DATA_BLOB negprot_spnego(TALLOC_CTX *ctx, struct smbd_server_connection *sconn);
void smbd_lock_socket(struct smbd_server_connection *sconn);
void smbd_unlock_socket(struct smbd_server_connection *sconn);
NTSTATUS smbd_do_locking(struct smb_request *req,
files_struct *fsp,
uint8_t type,
int32_t timeout,
uint16_t num_ulocks,
struct smbd_lock_element *ulocks,
uint16_t num_locks,
struct smbd_lock_element *locks,
bool *async);
NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
TALLOC_CTX *mem_ctx,
uint16_t info_level,
files_struct *fsp,
struct smb_filename *smb_fname,
bool delete_pending,
struct timespec write_time_ts,
struct ea_list *ea_list,
int lock_data_count,
char *lock_data,
uint16_t flags2,
unsigned int max_data_bytes,
char **ppdata,
unsigned int *pdata_size);
NTSTATUS smbd_do_setfilepathinfo(connection_struct *conn,
struct smb_request *req,
TALLOC_CTX *mem_ctx,
uint16_t info_level,
files_struct *fsp,
struct smb_filename *smb_fname,
char **ppdata, int total_data,
int *ret_data_size);
NTSTATUS smbd_do_qfsinfo(connection_struct *conn,
TALLOC_CTX *mem_ctx,
uint16_t info_level,
uint16_t flags2,
unsigned int max_data_bytes,
struct smb_filename *smb_fname,
char **ppdata,
int *ret_data_len);
bool smbd_dirptr_get_entry(TALLOC_CTX *ctx,
struct dptr_struct *dirptr,
const char *mask,
uint32_t dirtype,
bool dont_descend,
bool ask_sharemode,
bool (*match_fn)(TALLOC_CTX *ctx,
void *private_data,
const char *dname,
const char *mask,
char **_fname),
bool (*mode_fn)(TALLOC_CTX *ctx,
void *private_data,
struct smb_filename *smb_fname,
uint32_t *_mode),
void *private_data,
char **_fname,
struct smb_filename **_smb_fname,
uint32_t *_mode,
long *_prev_offset);
bool smbd_dirptr_lanman2_entry(TALLOC_CTX *ctx,
connection_struct *conn,
struct dptr_struct *dirptr,
uint16 flags2,
const char *path_mask,
uint32 dirtype,
int info_level,
int requires_resume_key,
bool dont_descend,
bool ask_sharemode,
uint8_t align,
bool do_pad,
char **ppdata,
char *base_data,
char *end_data,
int space_remaining,
bool *out_of_space,
bool *got_exact_match,
int *_last_entry_off,
struct ea_list *name_list);
NTSTATUS smbd_calculate_access_mask(connection_struct *conn,
const struct smb_filename *smb_fname,
bool use_privs,
uint32_t access_mask,
uint32_t *access_mask_out);
void smbd_notify_cancel_by_smbreq(const struct smb_request *smbreq);
void smbd_server_connection_terminate_ex(struct smbd_server_connection *sconn,
const char *reason,
const char *location);
#define smbd_server_connection_terminate(sconn, reason) \
smbd_server_connection_terminate_ex(sconn, reason, __location__)
const char *smb2_opcode_name(uint16_t opcode);
bool smbd_is_smb2_header(const uint8_t *inbuf, size_t size);
void reply_smb2002(struct smb_request *req, uint16_t choice);
void reply_smb20ff(struct smb_request *req, uint16_t choice);
void smbd_smb2_first_negprot(struct smbd_server_connection *sconn,
uint8_t *inbuf, size_t size);
NTSTATUS smbd_smb2_request_error_ex(struct smbd_smb2_request *req,
NTSTATUS status,
DATA_BLOB *info,
const char *location);
#define smbd_smb2_request_error(req, status) \
smbd_smb2_request_error_ex(req, status, NULL, __location__)
NTSTATUS smbd_smb2_request_done_ex(struct smbd_smb2_request *req,
NTSTATUS status,
DATA_BLOB body, DATA_BLOB *dyn,
const char *location);
#define smbd_smb2_request_done(req, body, dyn) \
smbd_smb2_request_done_ex(req, NT_STATUS_OK, body, dyn, __location__)
NTSTATUS smbd_smb2_send_oplock_break(struct smbd_server_connection *sconn,
struct smbXsrv_session *session,
struct smbXsrv_tcon *tcon,
struct smbXsrv_open *op,
uint8_t oplock_level);
NTSTATUS smbd_smb2_request_pending_queue(struct smbd_smb2_request *req,
struct tevent_req *subreq,
uint32_t defer_time);
struct smb_request *smbd_smb2_fake_smb_request(struct smbd_smb2_request *req);
void remove_smb2_chained_fsp(files_struct *fsp);
NTSTATUS smbd_smb2_request_verify_creditcharge(struct smbd_smb2_request *req,
uint32_t data_length);
NTSTATUS smbd_smb2_request_verify_sizes(struct smbd_smb2_request *req,
size_t expected_body_size);
NTSTATUS smbd_smb2_request_process_negprot(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_process_sesssetup(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_process_logoff(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_process_tcon(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_process_tdis(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_process_create(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_process_close(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_process_flush(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_process_read(struct smbd_smb2_request *req);
NTSTATUS smb2_read_complete(struct tevent_req *req, ssize_t nread, int err);
NTSTATUS smbd_smb2_request_process_write(struct smbd_smb2_request *req);
NTSTATUS smb2_write_complete(struct tevent_req *req, ssize_t nwritten, int err);
NTSTATUS smb2_write_complete_nosync(struct tevent_req *req, ssize_t nwritten,
int err);
NTSTATUS smbd_smb2_request_process_lock(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_process_ioctl(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_process_keepalive(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_process_find(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_process_notify(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_process_getinfo(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_process_setinfo(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_process_break(struct smbd_smb2_request *req);
NTSTATUS smbd_smb2_request_dispatch(struct smbd_smb2_request *req);
void smbd_smb2_request_dispatch_immediate(struct tevent_context *ctx,
struct tevent_immediate *im,
void *private_data);
/* SMB1 -> SMB2 glue. */
void send_break_message_smb2(files_struct *fsp, int level);
struct blocking_lock_record *get_pending_smb2req_blr(struct smbd_smb2_request *smb2req);
bool push_blocking_lock_request_smb2( struct byte_range_lock *br_lck,
struct smb_request *req,
files_struct *fsp,
int lock_timeout,
int lock_num,
uint64_t smblctx,
enum brl_type lock_type,
enum brl_flavour lock_flav,
uint64_t offset,
uint64_t count,
uint64_t blocking_smblctx);
void process_blocking_lock_queue_smb2(
struct smbd_server_connection *sconn, struct timeval tv_curr);
void cancel_pending_lock_requests_by_fid_smb2(files_struct *fsp,
struct byte_range_lock *br_lck,
enum file_close_type close_type);
/* From smbd/smb2_create.c */
int map_smb2_oplock_levels_to_samba(uint8_t in_oplock_level);
bool get_deferred_open_message_state_smb2(struct smbd_smb2_request *smb2req,
struct timeval *p_request_time,
void **pp_state);
bool open_was_deferred_smb2(struct smbd_server_connection *sconn,
uint64_t mid);
void remove_deferred_open_message_smb2(
struct smbd_server_connection *sconn, uint64_t mid);
bool schedule_deferred_open_message_smb2(
struct smbd_server_connection *sconn, uint64_t mid);
bool push_deferred_open_message_smb2(struct smbd_smb2_request *smb2req,
struct timeval request_time,
struct timeval timeout,
struct file_id id,
char *private_data,
size_t priv_len);
struct smbXsrv_connection {
struct smbd_server_connection *sconn;
const struct tsocket_address *local_address;
const struct tsocket_address *remote_address;
const char *remote_hostname;
struct tevent_context *ev_ctx;
struct messaging_context *msg_ctx;
enum protocol_types protocol;
struct {
struct {
uint32_t capabilities;
struct GUID guid;
uint16_t security_mode;
uint16_t num_dialects;
uint16_t *dialects;
} client;
struct {
uint32_t capabilities;
struct GUID guid;
uint16_t security_mode;
uint16_t dialect;
uint32_t max_trans;
uint32_t max_read;
uint32_t max_write;
} server;
} smb2;
struct msg_state *msg_state;
/*
* Link into libasys for asynchronous operations
*/
struct asys_context *asys_ctx;
struct tevent_fd *asys_fde;
uint64_t smbd_idle_profstamp;
/*
* this session_table is used for SMB1 and SMB2,
*/
struct smbXsrv_session_table *session_table;
/*
* this tcon_table is only used for SMB1.
*/
struct smbXsrv_tcon_table *tcon_table;
/*
* this open_table is used for SMB1 and SMB2,
* because we have a global sconn->real_max_open_files
* limit.
*/
struct smbXsrv_open_table *open_table;
};
NTSTATUS smbXsrv_version_global_init(const struct server_id *server_id);
uint32_t smbXsrv_version_global_current(void);
NTSTATUS smbXsrv_connection_init_tables(struct smbXsrv_connection *conn,
enum protocol_types protocol);
NTSTATUS smbXsrv_session_global_init(void);
NTSTATUS smbXsrv_session_create(struct smbXsrv_connection *conn,
NTTIME now,
struct smbXsrv_session **_session);
NTSTATUS smbXsrv_session_update(struct smbXsrv_session *session);
NTSTATUS smbXsrv_session_logoff(struct smbXsrv_session *session);
NTSTATUS smbXsrv_session_logoff_all(struct smbXsrv_connection *conn);
NTSTATUS smb1srv_session_table_init(struct smbXsrv_connection *conn);
NTSTATUS smb1srv_session_lookup(struct smbXsrv_connection *conn,
uint16_t vuid, NTTIME now,
struct smbXsrv_session **session);
NTSTATUS smb2srv_session_table_init(struct smbXsrv_connection *conn);
NTSTATUS smb2srv_session_lookup(struct smbXsrv_connection *conn,
uint64_t session_id, NTTIME now,
struct smbXsrv_session **session);
struct smbXsrv_session_global0;
NTSTATUS smbXsrv_session_global_traverse(
int (*fn)(struct smbXsrv_session_global0 *, void *),
void *private_data);
struct tevent_req *smb2srv_session_close_previous_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct smbXsrv_connection *conn,
struct auth_session_info *session_info,
uint64_t previous_session_id,
uint64_t current_session_id);
NTSTATUS smb2srv_session_close_previous_recv(struct tevent_req *req);
NTSTATUS smbXsrv_tcon_global_init(void);
NTSTATUS smbXsrv_tcon_update(struct smbXsrv_tcon *tcon);
NTSTATUS smbXsrv_tcon_disconnect(struct smbXsrv_tcon *tcon, uint64_t vuid);
NTSTATUS smb1srv_tcon_table_init(struct smbXsrv_connection *conn);
NTSTATUS smb1srv_tcon_create(struct smbXsrv_connection *conn,
NTTIME now,
struct smbXsrv_tcon **_tcon);
NTSTATUS smb1srv_tcon_lookup(struct smbXsrv_connection *conn,
uint16_t tree_id, NTTIME now,
struct smbXsrv_tcon **tcon);
NTSTATUS smb1srv_tcon_disconnect_all(struct smbXsrv_connection *conn);
NTSTATUS smb2srv_tcon_table_init(struct smbXsrv_session *session);
NTSTATUS smb2srv_tcon_create(struct smbXsrv_session *session,
NTTIME now,
struct smbXsrv_tcon **_tcon);
NTSTATUS smb2srv_tcon_lookup(struct smbXsrv_session *session,
uint32_t tree_id, NTTIME now,
struct smbXsrv_tcon **tcon);
NTSTATUS smb2srv_tcon_disconnect_all(struct smbXsrv_session *session);
struct smbXsrv_tcon_global0;
NTSTATUS smbXsrv_tcon_global_traverse(
int (*fn)(struct smbXsrv_tcon_global0 *, void *),
void *private_data);
NTSTATUS smbXsrv_open_global_init(void);
NTSTATUS smbXsrv_open_create(struct smbXsrv_connection *conn,
struct auth_session_info *session_info,
NTTIME now,
struct smbXsrv_open **_open);
uint32_t smbXsrv_open_hash(struct smbXsrv_open *_open);
NTSTATUS smbXsrv_open_update(struct smbXsrv_open *_open);
NTSTATUS smbXsrv_open_close(struct smbXsrv_open *op, NTTIME now);
NTSTATUS smb1srv_open_table_init(struct smbXsrv_connection *conn);
NTSTATUS smb1srv_open_lookup(struct smbXsrv_connection *conn,
uint16_t fnum, NTTIME now,
struct smbXsrv_open **_open);
NTSTATUS smb2srv_open_table_init(struct smbXsrv_connection *conn);
NTSTATUS smb2srv_open_lookup(struct smbXsrv_connection *conn,
uint64_t persistent_id,
uint64_t volatile_id,
NTTIME now,
struct smbXsrv_open **_open);
NTSTATUS smb2srv_open_recreate(struct smbXsrv_connection *conn,
struct auth_session_info *session_info,
uint64_t persistent_id,
struct GUID create_guid,
NTTIME now,
struct smbXsrv_open **_open);
struct smbd_smb2_request {
struct smbd_smb2_request *prev, *next;
struct smbd_server_connection *sconn;
/* the session the request operates on, maybe NULL */
struct smbXsrv_session *session;
uint64_t last_session_id;
/* the tcon the request operates on, maybe NULL */
struct smbXsrv_tcon *tcon;
uint32_t last_tid;
int current_idx;
bool do_signing;
bool do_encryption;
struct tevent_timer *async_te;
bool compound_related;
/*
* the encryption key for the whole
* compound chain
*/
DATA_BLOB first_key;
/*
* the signing key for the last
* request/response of a compound chain
*/
DATA_BLOB last_key;
struct timeval request_time;
/* fake smb1 request. */
struct smb_request *smb1req;
struct files_struct *compat_chain_fsp;
/*
* The sub request for async backend calls.
* This is used for SMB2 Cancel.
*/
struct tevent_req *subreq;
#define SMBD_SMB2_TF_IOV_OFS 0
#define SMBD_SMB2_HDR_IOV_OFS 1
#define SMBD_SMB2_BODY_IOV_OFS 2
#define SMBD_SMB2_DYN_IOV_OFS 3
#define SMBD_SMB2_NUM_IOV_PER_REQ 4
#define SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,ofs) \
(&req->dir.vector[(idx)+(ofs)])
#define SMBD_SMB2_IDX_TF_IOV(req,dir,idx) \
SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_TF_IOV_OFS)
#define SMBD_SMB2_IDX_HDR_IOV(req,dir,idx) \
SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_HDR_IOV_OFS)
#define SMBD_SMB2_IDX_BODY_IOV(req,dir,idx) \
SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_BODY_IOV_OFS)
#define SMBD_SMB2_IDX_DYN_IOV(req,dir,idx) \
SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_DYN_IOV_OFS)
#define SMBD_SMB2_IN_TF_IOV(req) SMBD_SMB2_IDX_TF_IOV(req,in,req->current_idx)
#define SMBD_SMB2_IN_TF_PTR(req) (uint8_t *)(SMBD_SMB2_IN_TF_IOV(req)->iov_base)
#define SMBD_SMB2_IN_HDR_IOV(req) SMBD_SMB2_IDX_HDR_IOV(req,in,req->current_idx)
#define SMBD_SMB2_IN_HDR_PTR(req) (uint8_t *)(SMBD_SMB2_IN_HDR_IOV(req)->iov_base)
#define SMBD_SMB2_IN_BODY_IOV(req) SMBD_SMB2_IDX_BODY_IOV(req,in,req->current_idx)
#define SMBD_SMB2_IN_BODY_PTR(req) (uint8_t *)(SMBD_SMB2_IN_BODY_IOV(req)->iov_base)
#define SMBD_SMB2_IN_BODY_LEN(req) (SMBD_SMB2_IN_BODY_IOV(req)->iov_len)
#define SMBD_SMB2_IN_DYN_IOV(req) SMBD_SMB2_IDX_DYN_IOV(req,in,req->current_idx)
#define SMBD_SMB2_IN_DYN_PTR(req) (uint8_t *)(SMBD_SMB2_IN_DYN_IOV(req)->iov_base)
#define SMBD_SMB2_IN_DYN_LEN(req) (SMBD_SMB2_IN_DYN_IOV(req)->iov_len)
#define SMBD_SMB2_OUT_TF_IOV(req) SMBD_SMB2_IDX_TF_IOV(req,out,req->current_idx)
#define SMBD_SMB2_OUT_TF_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_TF_IOV(req)->iov_base)
#define SMBD_SMB2_OUT_HDR_IOV(req) SMBD_SMB2_IDX_HDR_IOV(req,out,req->current_idx)
#define SMBD_SMB2_OUT_HDR_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_HDR_IOV(req)->iov_base)
#define SMBD_SMB2_OUT_BODY_IOV(req) SMBD_SMB2_IDX_BODY_IOV(req,out,req->current_idx)
#define SMBD_SMB2_OUT_BODY_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_BODY_IOV(req)->iov_base)
#define SMBD_SMB2_OUT_BODY_LEN(req) (SMBD_SMB2_OUT_BODY_IOV(req)->iov_len)
#define SMBD_SMB2_OUT_DYN_IOV(req) SMBD_SMB2_IDX_DYN_IOV(req,out,req->current_idx)
#define SMBD_SMB2_OUT_DYN_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_DYN_IOV(req)->iov_base)
#define SMBD_SMB2_OUT_DYN_LEN(req) (SMBD_SMB2_OUT_DYN_IOV(req)->iov_len)
struct {
/*
* vector[0] TRANSPORT HEADER (empty)
* .
* vector[1] SMB2_TRANSFORM (optional)
* vector[2] SMB2
* vector[3] fixed body
* vector[4] dynamic body
* .
* .
* .
* vector[5] SMB2_TRANSFORM (optional)
* vector[6] SMB2
* vector[7] fixed body
* vector[8] dynamic body
* .
* .
* .
*/
struct iovec *vector;
int vector_count;
} in;
struct {
/* the NBT header is not allocated */
uint8_t nbt_hdr[4];
/*
* vector[0] TRANSPORT HEADER
* .
* vector[1] SMB2_TRANSFORM (optional)
* vector[2] SMB2
* vector[3] fixed body
* vector[4] dynamic body
* .
* .
* .
* vector[5] SMB2_TRANSFORM (empty)
* vector[6] SMB2
* vector[7] fixed body
* vector[8] dynamic body
* .
* .
* .
*/
struct iovec *vector;
int vector_count;
} out;
};
struct smbd_server_connection;
struct user_struct;
struct pending_message_list;
struct pending_auth_data;
struct user_struct {
struct user_struct *next, *prev;
uint64_t vuid; /* Tag for this entry. */
char *session_keystr; /* used by utmp and pam session code.
TDB key string */
int homes_snum;
struct auth_session_info *session_info;
struct smbXsrv_session *session;
};
struct smbd_server_connection {
int sock;
const struct tsocket_address *local_address;
const struct tsocket_address *remote_address;
const char *remote_hostname;
struct tevent_context *ev_ctx;
struct messaging_context *msg_ctx;
struct sys_notify_context *sys_notify_ctx;
struct notify_context *notify_ctx;
struct {
bool got_session;
} nbt;
bool using_smb2;
int trans_num;
size_t num_users;
struct user_struct *users;
size_t num_connections;
struct connection_struct *connections;
size_t num_files;
struct files_struct *files;
int real_max_open_files;
struct fsp_singleton_cache fsp_fi_cache;
struct pending_message_list *deferred_open_queue;
/* open directory handles. */
struct {
struct bitmap *dptr_bmap;
struct dptr_struct *dirptrs;
int dirhandles_open;
} searches;
uint64_t num_requests;
/* Current number of oplocks we have outstanding. */
struct {
int32_t exclusive_open;
int32_t level_II_open;
struct kernel_oplocks *kernel_ops;
} oplocks;
struct {
struct fd_event *fde;
struct {
/*
* fd for the fcntl lock mutexing access to our sock
*/
int socket_lock_fd;
/*
* fd for the trusted pipe from
* echo handler child
*/
int trusted_fd;
/*
* fde for the trusted_fd
*/
struct fd_event *trusted_fde;
/*
* Reference count for the fcntl lock to
* allow recursive locks.
*/
int ref_count;
} echo_handler;
struct {
bool encrypted_passwords;
bool spnego;
struct auth4_context *auth_context;
bool done;
/*
* Size of the data we can receive. Set by us.
* Can be modified by the max xmit parameter.
*/
int max_recv;
} negprot;
struct {
uint16_t client_major;
uint16_t client_minor;
uint32_t client_cap_low;
uint32_t client_cap_high;
} unix_info;
struct {
bool done_sesssetup;
/*
* Size of data we can send to client. Set
* by the client for all protocols above CORE.
* Set by us for CORE protocol.
*/
int max_send;
uint64_t last_session_tag;
} sessions;
struct smb_signing_state *signing_state;
struct notify_mid_map *notify_mid_maps;
struct {
/* dlink list we store pending lock records on. */
struct blocking_lock_record *blocking_lock_queue;
/* dlink list we move cancelled lock records onto. */
struct blocking_lock_record *blocking_lock_cancelled_queue;
/* The event that makes us process our blocking lock queue */
struct timed_event *brl_timeout;
bool blocking_lock_unlock_state;
bool blocking_lock_cancel_state;
} locks;
} smb1;
struct {
struct tevent_queue *recv_queue;
struct tevent_queue *send_queue;
struct tstream_context *stream;
bool negprot_2ff;
struct {
/* The event that makes us process our blocking lock queue */
struct timed_event *brl_timeout;
bool blocking_lock_unlock_state;
} locks;
struct smbd_smb2_request *requests;
/*
* seqnum_low is the lowest sequence number
* we will accept.
*/
uint64_t seqnum_low;
/*
* seqnum_range is the range of credits we have
* granted from the sequence windows starting
* at seqnum_low.
*
* This gets incremented when new credits are
* granted and gets decremented when the
* lowest sequence number is consumed
* (when seqnum_low gets incremented).
*/
uint16_t seqnum_range;
/*
* credits_grantedThe number of credits we have currently granted
* to the client.
*
* This gets incremented when new credits are
* granted and gets decremented when any credit
* is comsumed.
*
* Note: the decrementing is different compared
* to seqnum_range.
*/
uint16_t credits_granted;
/*
* The maximum number of credits we will ever
* grant to the client.
*
* Typically we will only grant 1/16th of
* max_credits.
*
* This is the "server max credits" parameter.
*/
uint16_t max_credits;
/*
* a bitmap of size max_credits
*/
struct bitmap *credits_bitmap;
bool supports_multicredit;
uint32_t max_trans;
uint32_t max_read;
uint32_t max_write;
bool compound_related_in_progress;
} smb2;
struct smbXsrv_connection *conn;
};
extern struct smbXsrv_connection *global_smbXsrv_connection;
void smbd_init_globals(void);