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-rw-r--r--source3/smbd/globals.h912
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diff --git a/source3/smbd/globals.h b/source3/smbd/globals.h
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+/*
+ 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/>.
+*/
+
+#ifndef _SOURCE3_SMBD_GLOBALS_H_
+#define _SOURCE3_SMBD_GLOBALS_H_
+
+#include "system/select.h"
+#include "librpc/gen_ndr/smbXsrv.h"
+#include "smbprofile.h"
+
+#ifdef USE_DMAPI
+struct smbd_dmapi_context;
+extern struct smbd_dmapi_context *dmapi_ctx;
+#endif
+
+/* 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 uint32_t global_client_caps;
+
+extern uint16_t fnf_handle;
+
+struct conn_ctx {
+ connection_struct *conn;
+ uint64_t vuid;
+ userdom_struct user_info;
+};
+/* 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 smbXsrv_connection *xconn);
+
+void smbd_lock_socket(struct smbXsrv_connection *xconn);
+void smbd_unlock_socket(struct smbXsrv_connection *xconn);
+
+struct GUID smbd_request_guid(struct smb_request *smb1req, uint16_t idx);
+
+NTSTATUS smbd_do_unlocking(struct smb_request *req,
+ files_struct *fsp,
+ uint16_t num_ulocks,
+ struct smbd_lock_element *ulocks);
+
+NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
+ TALLOC_CTX *mem_ctx,
+ struct smb_request *req,
+ 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,
+ uint16_t flags2,
+ unsigned int max_data_bytes,
+ size_t *fixed_portion,
+ char **ppdata,
+ unsigned int *pdata_size);
+
+NTSTATUS smbd_do_setfsinfo(connection_struct *conn,
+ struct smb_request *req,
+ TALLOC_CTX *mem_ctx,
+ uint16_t info_level,
+ files_struct *fsp,
+ const DATA_BLOB *pdata);
+
+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(struct smbXsrv_connection *xconn,
+ connection_struct *conn,
+ TALLOC_CTX *mem_ctx,
+ uint16_t info_level,
+ uint16_t flags2,
+ unsigned int max_data_bytes,
+ size_t *fixed_portion,
+ struct files_struct *fsp,
+ struct smb_filename *smb_fname,
+ char **ppdata,
+ int *ret_data_len);
+
+NTSTATUS smbd_dirptr_lanman2_entry(TALLOC_CTX *ctx,
+ connection_struct *conn,
+ struct dptr_struct *dirptr,
+ uint16_t flags2,
+ const char *path_mask,
+ uint32_t dirtype,
+ int info_level,
+ int requires_resume_key,
+ bool dont_descend,
+ bool ask_sharemode,
+ bool get_dosmode,
+ uint8_t align,
+ bool do_pad,
+ char **ppdata,
+ char *base_data,
+ char *end_data,
+ int space_remaining,
+ struct smb_filename **smb_fname,
+ int *_last_entry_off,
+ struct ea_list *name_list,
+ struct file_id *file_id);
+
+NTSTATUS smbd_calculate_access_mask_fsp(struct files_struct *dirsfp,
+ struct files_struct *fsp,
+ bool use_privs,
+ uint32_t access_mask,
+ uint32_t *access_mask_out);
+
+void smbd_notify_cancel_by_smbreq(const struct smb_request *smbreq);
+
+void smbXsrv_connection_disconnect_transport(struct smbXsrv_connection *xconn,
+ NTSTATUS status);
+size_t smbXsrv_client_valid_connections(struct smbXsrv_client *client);
+void smbd_server_connection_terminate_ex(struct smbXsrv_connection *xconn,
+ const char *reason,
+ const char *location);
+#define smbd_server_connection_terminate(xconn, reason) \
+ smbd_server_connection_terminate_ex(xconn, reason, __location__)
+
+void smbd_server_disconnect_client_ex(struct smbXsrv_client *client,
+ const char *reason,
+ const char *location);
+#define smbd_server_disconnect_client(__client, __reason) \
+ smbd_server_disconnect_client_ex(__client, __reason, __location__)
+
+const char *smb2_opcode_name(uint16_t opcode);
+bool smbd_is_smb2_header(const uint8_t *inbuf, size_t size);
+bool smbd_smb2_is_compound(const struct smbd_smb2_request *req);
+bool smbd_smb2_is_last_in_compound(const struct smbd_smb2_request *req);
+
+NTSTATUS smbd_add_connection(struct smbXsrv_client *client, int sock_fd,
+ NTTIME now, struct smbXsrv_connection **_xconn);
+
+NTSTATUS reply_smb2002(struct smb_request *req, uint16_t choice);
+NTSTATUS reply_smb20ff(struct smb_request *req, uint16_t choice);
+NTSTATUS smbd_smb2_process_negprot(struct smbXsrv_connection *xconn,
+ uint64_t expected_seq_low,
+ const uint8_t *inpdu, size_t size);
+NTSTATUS smb2_multi_protocol_reply_negprot(struct smb_request *req);
+
+DATA_BLOB smbd_smb2_generate_outbody(struct smbd_smb2_request *req, size_t size);
+
+bool smbXsrv_server_multi_channel_enabled(void);
+
+NTSTATUS smbd_smb2_request_error_ex(struct smbd_smb2_request *req,
+ NTSTATUS status,
+ uint8_t error_context_count,
+ DATA_BLOB *info,
+ const char *location);
+#define smbd_smb2_request_error(req, status) \
+ smbd_smb2_request_error_ex(req, status, 0, 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 smbXsrv_client *client,
+ struct smbXsrv_open *op,
+ uint8_t oplock_level);
+NTSTATUS smbd_smb2_send_lease_break(struct smbXsrv_client *client,
+ uint16_t new_epoch,
+ uint32_t lease_flags,
+ struct smb2_lease_key *lease_key,
+ uint32_t current_lease_state,
+ uint32_t new_lease_state);
+
+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,
+ struct files_struct *fsp);
+size_t smbd_smb2_unread_bytes(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);
+
+void smb2_request_set_async_internal(struct smbd_smb2_request *req,
+ bool async_internal);
+
+enum protocol_types smbd_smb2_protocol_dialect_match(const uint8_t *indyn,
+ const int dialect_count,
+ uint16_t *dialect);
+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_query_directory(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);
+
+struct deferred_open_record;
+
+/* SMB1 -> SMB2 glue. */
+void send_break_message_smb2(files_struct *fsp,
+ uint32_t break_from,
+ uint32_t break_to);
+/* 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,
+ struct deferred_open_record **open_rec);
+bool open_was_deferred_smb2(
+ struct smbXsrv_connection *xconn, uint64_t mid);
+void remove_deferred_open_message_smb2(
+ struct smbXsrv_connection *xconn, uint64_t mid);
+bool schedule_deferred_open_message_smb2(
+ struct smbXsrv_connection *xconn, 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,
+ struct deferred_open_record *open_rec);
+
+struct smbXsrv_client;
+
+struct smbXsrv_preauth {
+ uint8_t sha512_value[64];
+};
+
+struct smbXsrv_connection {
+ struct smbXsrv_connection *prev, *next;
+
+ struct smbXsrv_client *client;
+
+ NTTIME connect_time;
+ uint64_t channel_id;
+ const struct tsocket_address *local_address;
+ const struct tsocket_address *remote_address;
+ const char *remote_hostname;
+ bool has_cluster_movable_ip;
+
+ enum protocol_types protocol;
+
+ struct {
+ NTSTATUS status;
+ bool terminating;
+ struct tevent_queue *shutdown_wait_queue;
+ int sock;
+ struct tevent_fd *fde;
+
+ struct {
+ bool got_session;
+ } nbt;
+ } transport;
+
+ struct {
+ bool force_unacked_timeout;
+ uint64_t unacked_bytes;
+ uint32_t rto_usecs;
+ struct tevent_req *checker_subreq;
+ struct smbd_smb2_send_queue *queue;
+ } ack;
+
+#if defined(WITH_SMB1SERVER)
+ struct {
+ struct {
+ /*
+ * fd for the fcntl lock and process shared
+ * robust mutex to coordinate access to the
+ * client socket. When the system supports
+ * process shared robust mutexes, those are
+ * used. If not, then the fcntl lock will be
+ * used.
+ */
+ int socket_lock_fd;
+#ifdef HAVE_ROBUST_MUTEXES
+ pthread_mutex_t *socket_mutex;
+#endif
+
+ /*
+ * fd for the trusted pipe from
+ * echo handler child
+ */
+ int trusted_fd;
+
+ /*
+ * fde for the trusted_fd
+ */
+ struct tevent_fd *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 {
+ 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;
+ } sessions;
+ struct smb1_signing_state *signing_state;
+
+ struct {
+ uint16_t client_major;
+ uint16_t client_minor;
+ uint32_t client_cap_low;
+ uint32_t client_cap_high;
+ } unix_info;
+
+ struct msg_state *msg_state;
+ } smb1;
+#endif
+ struct {
+ struct smbd_smb2_request_read_state {
+ struct smbd_smb2_request *req;
+ struct {
+ uint8_t nbt[NBT_HDR_SIZE];
+ } hdr;
+ struct iovec _vector[1];
+ struct iovec *vector;
+ int count;
+ struct msghdr msg;
+ bool doing_receivefile;
+ size_t min_recv_size;
+ size_t pktfull;
+ size_t pktlen;
+ uint8_t *pktbuf;
+ } request_read_state;
+ struct smbd_smb2_send_queue *send_queue;
+ size_t send_queue_len;
+
+ struct {
+ /*
+ * seq_low is the lowest sequence number
+ * we will accept.
+ */
+ uint64_t seq_low;
+ /*
+ * seq_range is the range of credits we have
+ * granted from the sequence windows starting
+ * at seq_low.
+ *
+ * This gets incremented when new credits are
+ * granted and gets decremented when the
+ * lowest sequence number is consumed
+ * (when seq_low gets incremented).
+ */
+ uint16_t seq_range;
+ /*
+ * The 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 consumed.
+ *
+ * Note: the decrementing is different compared
+ * to seq_range.
+ */
+ uint16_t 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;
+ /*
+ * a bitmap of size max_credits
+ */
+ struct bitmap *bitmap;
+ bool multicredit;
+ } credits;
+
+ bool allow_2ff;
+ struct {
+ uint32_t capabilities;
+ struct GUID guid;
+ bool guid_verified;
+ 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;
+ uint16_t sign_algo;
+ uint16_t cipher;
+ bool posix_extensions_negotiated;
+ } server;
+
+ struct smbXsrv_preauth preauth;
+
+ struct smbd_smb2_request *requests;
+
+ struct {
+ uint8_t read_body_padding;
+ } smbtorture;
+
+ bool signing_mandatory;
+ } smb2;
+};
+
+const char *smbXsrv_connection_dbg(const struct smbXsrv_connection *xconn);
+
+NTSTATUS smbXsrv_version_global_init(const struct server_id *server_id);
+uint32_t smbXsrv_version_global_current(void);
+
+struct smbXsrv_client_table;
+NTSTATUS smbXsrv_client_global_init(void);
+NTSTATUS smbXsrv_client_create(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev_ctx,
+ struct messaging_context *msg_ctx,
+ NTTIME now,
+ struct smbXsrv_client **_client);
+NTSTATUS smbXsrv_client_remove(struct smbXsrv_client *client);
+struct tevent_req *smb2srv_client_mc_negprot_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct smbd_smb2_request *smb2req);
+NTSTATUS smb2srv_client_mc_negprot_recv(struct tevent_req *req);
+
+NTSTATUS smbXsrv_connection_init_tables(struct smbXsrv_connection *conn,
+ enum protocol_types protocol);
+
+NTSTATUS smbXsrv_session_global_init(struct messaging_context *msg_ctx);
+NTSTATUS smbXsrv_session_create(struct smbXsrv_connection *conn,
+ NTTIME now,
+ struct smbXsrv_session **_session);
+NTSTATUS smbXsrv_session_add_channel(struct smbXsrv_session *session,
+ struct smbXsrv_connection *conn,
+ NTTIME now,
+ struct smbXsrv_channel_global0 **_c);
+NTSTATUS smbXsrv_session_remove_channel(struct smbXsrv_session *session,
+ struct smbXsrv_connection *xconn);
+NTSTATUS smbXsrv_session_disconnect_xconn(struct smbXsrv_connection *xconn);
+NTSTATUS smbXsrv_session_update(struct smbXsrv_session *session);
+struct smbXsrv_channel_global0;
+NTSTATUS smbXsrv_session_find_channel(const struct smbXsrv_session *session,
+ const struct smbXsrv_connection *conn,
+ struct smbXsrv_channel_global0 **_c);
+NTSTATUS smbXsrv_session_find_auth(const struct smbXsrv_session *session,
+ const struct smbXsrv_connection *conn,
+ NTTIME now,
+ struct smbXsrv_session_auth0 **_a);
+NTSTATUS smbXsrv_session_create_auth(struct smbXsrv_session *session,
+ struct smbXsrv_connection *conn,
+ NTTIME now,
+ uint8_t in_flags,
+ uint8_t in_security_mode,
+ struct smbXsrv_session_auth0 **_a);
+struct tevent_req *smb2srv_session_shutdown_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct smbXsrv_session *session,
+ struct smbd_smb2_request *current_req);
+NTSTATUS smb2srv_session_shutdown_recv(struct tevent_req *req);
+NTSTATUS smbXsrv_session_logoff(struct smbXsrv_session *session);
+NTSTATUS smbXsrv_session_logoff_all(struct smbXsrv_client *client);
+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 smbXsrv_session_info_lookup(struct smbXsrv_client *client,
+ uint64_t session_wire_id,
+ struct auth_session_info **si);
+NTSTATUS smb2srv_session_table_init(struct smbXsrv_connection *conn);
+NTSTATUS smb2srv_session_lookup_conn(struct smbXsrv_connection *conn,
+ uint64_t session_id, NTTIME now,
+ struct smbXsrv_session **session);
+NTSTATUS smb2srv_session_lookup_client(struct smbXsrv_client *client,
+ uint64_t session_id, NTTIME now,
+ struct smbXsrv_session **session);
+NTSTATUS smb2srv_session_lookup_global(struct smbXsrv_client *client,
+ uint64_t session_wire_id,
+ TALLOC_CTX *mem_ctx,
+ struct smbXsrv_session **session);
+NTSTATUS get_valid_smbXsrv_session(struct smbXsrv_client *client,
+ uint64_t session_wire_id,
+ struct smbXsrv_session **session);
+NTSTATUS smbXsrv_session_local_traverse(
+ struct smbXsrv_client *client,
+ int (*caller_cb)(struct smbXsrv_session *session,
+ void *caller_data),
+ void *caller_data);
+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,
+ uint32_t session_global_id,
+ const char *share_name,
+ 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_client *client);
+NTSTATUS smb2srv_tcon_table_init(struct smbXsrv_session *session);
+NTSTATUS smb2srv_tcon_create(struct smbXsrv_session *session,
+ uint32_t session_global_id,
+ uint8_t encryption_flags,
+ const char *share_name,
+ 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);
+
+
+bool smbXsrv_is_encrypted(uint8_t encryption_flags);
+bool smbXsrv_is_partially_encrypted(uint8_t encryption_flags);
+bool smbXsrv_set_crypto_flag(uint8_t *flags, uint8_t flag);
+bool smbXsrv_is_signed(uint8_t signing_flags);
+bool smbXsrv_is_partially_signed(uint8_t signing_flags);
+
+struct smbd_smb2_send_queue {
+ struct smbd_smb2_send_queue *prev, *next;
+
+ DATA_BLOB *sendfile_header;
+ uint32_t sendfile_body_size;
+ NTSTATUS *sendfile_status;
+
+ struct msghdr msg;
+ struct iovec *vector;
+ int count;
+
+ struct {
+ struct tevent_req *req;
+ struct timeval timeout;
+ uint64_t required_acked_bytes;
+ } ack;
+
+ TALLOC_CTX *mem_ctx;
+};
+
+struct smbd_smb2_request {
+ struct smbd_smb2_request *prev, *next;
+
+ struct smbd_server_connection *sconn;
+ struct smbXsrv_connection *xconn;
+
+ struct smbd_smb2_send_queue queue_entry;
+
+ /* 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;
+ /* Was the request encrypted? */
+ bool was_encrypted;
+ /* Should we encrypt? */
+ bool do_encryption;
+ struct tevent_timer *async_te;
+ bool compound_related;
+ NTSTATUS compound_create_err;
+
+ /*
+ * Give the implementation of an SMB2 req a way to tell the SMB2 request
+ * processing engine that the internal request is going async, while
+ * preserving synchronous SMB2 behaviour.
+ */
+ bool async_internal;
+
+ /*
+ * the encryption key for the whole
+ * compound chain
+ */
+ struct smb2_signing_key *first_enc_key;
+ /*
+ * the signing key for the last
+ * request/response of a compound chain
+ */
+ struct smb2_signing_key *last_sign_key;
+ struct smbXsrv_preauth *preauth;
+
+ struct timeval request_time;
+
+ SMBPROFILE_IOBYTES_ASYNC_STATE(profile);
+
+ /* fake smb1 request. */
+ struct smb_request *smb1req;
+ struct files_struct *compat_chain_fsp;
+
+ /*
+ * Keep track of whether the outstanding request counters
+ * had been updated in dispatch, so that they need to be
+ * adapted again in reply.
+ */
+ bool request_counters_updated;
+ uint64_t channel_generation;
+
+ /*
+ * 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)
+
+#define SMBD_SMB2_SHORT_RECEIVEFILE_WRITE_LEN (SMB2_HDR_BODY + 0x30)
+
+ 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;
+ struct iovec _vector[1 + SMBD_SMB2_NUM_IOV_PER_REQ];
+ } 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;
+ struct iovec _vector[1 + SMBD_SMB2_NUM_IOV_PER_REQ];
+#define OUTVEC_ALLOC_SIZE (SMB2_HDR_BODY + 9)
+ uint8_t _hdr[OUTVEC_ALLOC_SIZE];
+ uint8_t _body[0x58];
+ } out;
+};
+
+struct smbd_server_connection;
+
+struct pending_message_list;
+struct pending_auth_data;
+
+struct pthreadpool_tevent;
+struct dcesrv_context;
+
+struct smbd_server_connection {
+ 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 dcesrv_context *dce_ctx;
+ struct notify_context *notify_ctx;
+ bool using_smb2;
+ int trans_num;
+
+ size_t num_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;
+ } 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 notify_mid_map *notify_mid_maps;
+
+ struct pthreadpool_tevent *pool;
+
+ struct smbXsrv_client *client;
+};
+
+extern struct smbXsrv_client *global_smbXsrv_client;
+
+void smbd_init_globals(void);
+
+/****************************************************************************
+ The buffer we keep around whilst an aio request is in process.
+*****************************************************************************/
+
+struct aio_extra {
+ files_struct *fsp;
+ struct smb_request *smbreq;
+ DATA_BLOB outbuf;
+ struct lock_struct lock;
+ size_t nbyte;
+ off_t offset;
+ bool write_through;
+};
+
+#endif /* _SOURCE3_SMBD_GLOBALS_H_ */