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;
/* 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];
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 struct smb_srv_trans_enc_ctx *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. */
struct vfs_init_function_entry;
extern struct vfs_init_function_entry *backends;
extern char *sparse_buf;
+extern char *LastDir;
/* Current number of oplocks we have outstanding. */
extern int32_t exclusive_oplocks_open;
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;
extern struct memcache *smbd_memcache_ctx;
struct smbd_smb2_session;
struct smbd_smb2_tcon;
-DATA_BLOB negprot_spnego(struct smbd_server_connection *sconn);
+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);
char *lock_data,
uint16_t flags2,
unsigned int max_data_bytes,
+ size_t *fixed_portion,
char **ppdata,
unsigned int *pdata_size);
uint16_t info_level,
uint16_t flags2,
unsigned int max_data_bytes,
+ struct smb_filename *smb_fname,
char **ppdata,
int *ret_data_len);
int *_last_entry_off,
struct ea_list *name_list);
+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);
NTSTATUS smbd_check_open_rights(struct connection_struct *conn,
const struct smb_filename *smb_fname,
uint32_t access_mask,
#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);
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_logoff(struct smbd_smb2_request *req);
uint64_t offset,
uint64_t count,
uint64_t blocking_smblctx);
-void process_blocking_lock_queue_smb2(struct timeval tv_curr);
+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);
void **pp_state);
bool open_was_deferred_smb2(struct smbd_server_connection *sconn,
uint64_t mid);
-void remove_deferred_open_message_smb2(uint64_t mid);
-void schedule_deferred_open_message_smb2(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,
/* 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;
bool async;
bool cancelled;
+ bool compound_related;
/* fake smb1 request. */
struct smb_request *smb1req;
struct files_struct *compat_chain_fsp;
- NTSTATUS next_status;
-
/*
* The sub request for async backend calls.
* This is used for SMB2 Cancel.
NTSTATUS status;
uint64_t vuid;
struct auth_ntlmssp_state *auth_ntlmssp_state;
- struct auth_serversupplied_info *server_info;
+ struct auth_serversupplied_info *session_info;
DATA_BLOB session_key;
bool do_signing;
struct pending_auth_data;
struct smbd_server_connection {
+ int sock;
+ struct client_address client_id;
const struct tsocket_address *local_address;
const struct tsocket_address *remote_address;
+ struct messaging_context *msg_ctx;
struct {
bool got_session;
} nbt;
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;
+
+ /* number of open connections (tcons) */
+ int num_tcons_open;
+
+ /* 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;
struct {
/*
- * fd for the fcntl lock mutexing access to smbd_server_fd
+ * fd for the fcntl lock mutexing access to our sock
*/
int socket_lock_fd;
int ref_count;
} echo_handler;
- uint64_t num_requests;
struct {
bool encrypted_passwords;
bool spnego;
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;
struct {
/* dlink list we store pending lock records on. */
struct blocking_lock_record *blocking_lock_queue;
bool blocking_lock_unlock_state;
} locks;
struct smbd_smb2_request *requests;
- uint64_t credits_granted;
+ /*
+ * 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;
+ uint32_t max_trans;
+ uint32_t max_read;
+ uint32_t max_write;
} 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 / samba.git / blobdiff