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
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include "system/select.h"
+
#if defined(WITH_AIO)
struct aio_extra;
extern struct aio_extra *aio_list_head;
extern int outstanding_aio_calls;
#endif
-/* dlink list we store pending lock records on. */
-extern struct blocking_lock_record *blocking_lock_queue;
-
-/* dlink list we move cancelled lock records onto. */
-extern struct blocking_lock_record *blocking_lock_cancelled_queue;
-
-/* The event that makes us process our blocking lock queue */
-extern struct timed_event *brl_timeout;
-
-extern bool blocking_lock_unlock_state;
-extern bool blocking_lock_cancel_state;
-
#ifdef USE_DMAPI
struct smbd_dmapi_context;
extern struct smbd_dmapi_context *dmapi_ctx;
/* how many write cache buffers have been allocated */
extern unsigned int allocated_write_caches;
-extern int real_max_open_files;
-extern struct bitmap *file_bmap;
-extern files_struct *Files;
-extern int files_used;
/* A singleton cache to speed up searching by dev/inode. */
struct fsp_singleton_cache {
files_struct *fsp;
struct file_id id;
};
-extern struct fsp_singleton_cache fsp_fi_cache;
-extern unsigned long file_gen_counter;
-extern int first_file;
extern const struct mangle_fns *mangle_fns;
extern unsigned char *chartest;
-extern TDB_CONTEXT *tdb_mangled_cache;
+struct tdb_context;
+extern struct tdb_context *tdb_mangled_cache;
-/* these tables are used to provide fast tests for characters */
-extern unsigned char char_flags[256];
/*
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;
-extern unsigned char base_reverse[256];
-
-extern char *last_from;
-extern char *last_to;
struct msg_state;
extern struct msg_state *smbd_msg_state;
extern int trans_num;
-extern pid_t mypid;
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.
****************************************************************************/
-struct pending_message_list;
-extern struct pending_message_list *deferred_open_queue;
extern uint32_t common_flags2;
-struct smb_srv_trans_enc_ctx;
-extern struct smb_srv_trans_enc_ctx *partial_srv_trans_enc_ctx;
-extern struct smb_srv_trans_enc_ctx *srv_trans_enc_ctx;
+extern struct smb_trans_enc_state *partial_srv_trans_enc_ctx;
+extern struct smb_trans_enc_state *srv_trans_enc_ctx;
struct sec_ctx {
- UNIX_USER_TOKEN ut;
- NT_USER_TOKEN *token;
+ 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 connection_struct *last_conn;
extern uint16_t last_flags;
-extern struct db_context *session_db_ctx_ptr;
-
extern uint32_t global_client_caps;
extern uint16_t fnf_handle;
/* Current number of oplocks we have outstanding. */
extern int32_t exclusive_oplocks_open;
extern int32_t level_II_oplocks_open;
-extern bool global_client_failed_oplock_break;
extern struct kernel_oplocks *koplocks;
-extern int am_parent;
-extern int server_fd;
-extern struct event_context *smbd_event_ctx;
-extern struct messaging_context *smbd_msg_ctx;
+struct smbd_parent_context;
+extern struct smbd_parent_context *am_parent;
extern struct memcache *smbd_memcache_ctx;
extern bool exit_firsttime;
struct child_pid;
struct smbd_smb2_session;
struct smbd_smb2_tcon;
-DATA_BLOB negprot_spnego(void);
-
-NTSTATUS smb2_signing_sign_pdu(DATA_BLOB session_key,
- struct iovec *vector,
- int count);
-NTSTATUS smb2_signing_check_pdu(DATA_BLOB session_key,
- const struct iovec *vector,
- int count);
+DATA_BLOB negprot_spnego(TALLOC_CTX *ctx, struct smbd_server_connection *sconn);
-struct smbd_lock_element {
- uint32_t smbpid;
- enum brl_type brltype;
- uint64_t offset;
- uint64_t count;
-};
+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,
struct smb_filename *smb_fname,
bool delete_pending,
struct timespec write_time_ts,
- bool ms_dfs_link,
struct ea_list *ea_list,
int lock_data_count,
char *lock_data,
int *_last_entry_off,
struct ea_list *name_list);
-NTSTATUS smbd_check_open_rights(struct connection_struct *conn,
- const struct smb_filename *smb_fname,
- uint32_t access_mask,
- uint32_t *access_granted);
+NTSTATUS smbd_calculate_access_mask(connection_struct *conn,
+ const struct smb_filename *smb_fname,
+ bool file_existed,
+ uint32_t access_mask,
+ uint32_t *access_mask_out);
-void smbd_notify_cancel_by_smbreq(struct smbd_server_connection *sconn,
- const struct smb_request *smbreq);
+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,
#define smbd_server_connection_terminate(sconn, reason) \
smbd_server_connection_terminate_ex(sconn, reason, __location__)
+struct server_id sconn_server_id(const struct smbd_server_connection *sconn);
+
+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,
const uint8_t *inbuf, size_t size);
uint8_t oplock_level);
NTSTATUS smbd_smb2_request_pending_queue(struct smbd_smb2_request *req,
- struct tevent_req *subreq);
-
-NTSTATUS smbd_smb2_request_check_session(struct smbd_smb2_request *req);
-NTSTATUS smbd_smb2_request_check_tcon(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_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_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 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_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);
+void 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 smbd_smb2_request {
struct smbd_smb2_request *prev, *next;
/* the session the request operates on, maybe NULL */
struct smbd_smb2_session *session;
+ uint64_t last_session_id;
/* the tcon the request operates on, maybe NULL */
struct smbd_smb2_tcon *tcon;
+ uint32_t last_tid;
int current_idx;
bool do_signing;
+ struct tevent_timer *async_te;
+ bool cancelled;
+ bool compound_related;
+ /* fake smb1 request. */
+ struct smb_request *smb1req;
struct files_struct *compat_chain_fsp;
NTSTATUS next_status;
struct smbd_server_connection *sconn;
NTSTATUS status;
uint64_t vuid;
- AUTH_NTLMSSP_STATE *auth_ntlmssp_state;
- struct auth_serversupplied_info *server_info;
+ struct auth_ntlmssp_state *auth_ntlmssp_state;
+ struct auth_session_info *session_info;
DATA_BLOB session_key;
bool do_signing;
connection_struct *compat_conn;
};
+struct pending_message_list;
struct pending_auth_data;
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 {
bool got_session;
} nbt;
- bool allow_smb2;
+ bool using_smb2;
+ int trans_num;
+
+ /*
+ * Cache for calling poll(2) to avoid allocations in our
+ * central event loop
+ */
+ struct pollfd *pfds;
+
+ struct files_struct *files;
+ struct bitmap *file_bmap;
+ int real_max_open_files;
+ int files_used;
+ struct fsp_singleton_cache fsp_fi_cache;
+ unsigned long file_gen_counter;
+ int first_file;
+
+ /* Try GENSEC hook */
+ bool use_gensec_hook;
+
+ /* number of open connections (tcons) */
+ int num_tcons_open;
+
+ 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;
+
struct {
struct fd_event *fde;
- uint64_t num_requests;
+
+ 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;
* Can be modified by the max xmit parameter.
*/
int max_recv;
- enum protocol_types protocol;
} 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;
/*
user_struct *validated_users;
uint16_t next_vuid;
int num_validated_vuids;
-#ifdef HAVE_NETGROUP
- char *my_yp_domain;
-#endif
} sessions;
struct {
connection_struct *Connections;
/* number of open connections */
struct bitmap *bmap;
- int num_open;
} tcons;
struct smb_signing_state *signing_state;
/* List to store partial SPNEGO auth fragments. */
struct notify_mid_map *notify_mid_maps;
struct {
- struct bitmap *dptr_bmap;
- struct dptr_struct *dirptrs;
- int dirhandles_open;
- } searches;
+ /* 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_context *event_ctx;
struct tevent_queue *recv_queue;
struct tevent_queue *send_queue;
struct tstream_context *stream;
+ bool negprot_2ff;
struct {
/* an id tree used to allocate vuids */
/* this holds info on session vuids that are already
struct smbd_smb2_session *list;
} sessions;
+ 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;
+ uint64_t seqnum_low;
+ uint32_t credits_granted;
+ uint32_t max_credits;
+ uint32_t max_trans;
+ uint32_t max_read;
+ uint32_t max_write;
+ struct bitmap *credits_bitmap;
+ bool compound_related_in_progress;
} smb2;
};
extern struct smbd_server_connection *smbd_server_conn;
+struct smbd_server_connection *msg_ctx_to_sconn(struct messaging_context *msg_ctx);
+
void smbd_init_globals(void);
git.samba.org / kai / samba.git / blobdiff