samba-mirror/source3/smbd/proto.h

/*
 *  Unix SMB/CIFS implementation.
 *  Main SMB server routines
 *
 *  Copyright (C) Andrew Tridgell			1992-2002,2006
 *  Copyright (C) Jeremy Allison			1992-2010
 *  Copyright (C) Volker Lendecke			1993-2009
 *  Copyright (C) John H Terpstra			1995-1998
 *  Copyright (C) Luke Kenneth Casson Leighton		1996-1998
 *  Copyright (C) Paul Ashton				1997-1998
 *  Copyright (C) Tim Potter				1999-2000
 *  Copyright (C) T.D.Lee@durham.ac.uk			1999
 *  Copyright (C) Ying Chen				2000
 *  Copyright (C) Shirish Kalele			2000
 *  Copyright (C) Andrew Bartlett			2001-2003
 *  Copyright (C) Alexander Bokovoy			2002,2005
 *  Copyright (C) Simo Sorce				2001-2002,2009
 *  Copyright (C) Andreas Gruenbacher			2002
 *  Copyright (C) Jim McDonough <jmcd@us.ibm.com>	2002
 *  Copyright (C) Martin Pool				2002
 *  Copyright (C) Luke Howard				2003
 *  Copyright (C) Stefan (metze) Metzmacher		2003,2009
 *  Copyright (C) Steve French				2005
 *  Copyright (C) Gerald (Jerry) Carter			2006
 *  Copyright (C) James Peach				2006-2007
 *  Copyright (C) Jelmer Vernooij			2002-2003
 *  Copyright (C) Michael Adam				2007
 *  Copyright (C) Rishi Srivatsavai			2007
 *  Copyright (C) Tim Prouty				2009
 *  Copyright (C) Gregor Beck				2011
 *
 *  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 _SMBD_PROTO_H_
#define _SMBD_PROTO_H_

/* The following definitions come from smbd/signing.c  */

bool srv_check_sign_mac(struct smbd_server_connection *conn,
			const char *inbuf, uint32_t *seqnum, bool trusted_channel);
void srv_calculate_sign_mac(struct smbd_server_connection *conn,
			    char *outbuf, uint32_t seqnum);
void srv_cancel_sign_response(struct smbd_server_connection *conn);
bool srv_init_signing(struct smbd_server_connection *conn);
void srv_set_signing_negotiated(struct smbd_server_connection *conn,
			        bool allowed, bool mandatory);
bool srv_is_signing_active(struct smbd_server_connection *conn);
bool srv_is_signing_negotiated(struct smbd_server_connection *conn);
void srv_set_signing(struct smbd_server_connection *conn,
		     const DATA_BLOB user_session_key,
		     const DATA_BLOB response);

/* The following definitions come from smbd/aio.c  */

NTSTATUS schedule_aio_read_and_X(connection_struct *conn,
			     struct smb_request *req,
			     files_struct *fsp, SMB_OFF_T startpos,
			     size_t smb_maxcnt);
NTSTATUS schedule_aio_write_and_X(connection_struct *conn,
			      struct smb_request *req,
			      files_struct *fsp, const char *data,
			      SMB_OFF_T startpos,
			      size_t numtowrite);
NTSTATUS schedule_smb2_aio_read(connection_struct *conn,
				struct smb_request *smbreq,
				files_struct *fsp,
				TALLOC_CTX *ctx,
				DATA_BLOB *preadbuf,
				SMB_OFF_T startpos,
				size_t smb_maxcnt);
NTSTATUS schedule_aio_smb2_write(connection_struct *conn,
				struct smb_request *smbreq,
				files_struct *fsp,
				uint64_t in_offset,
				DATA_BLOB in_data,
				bool write_through);
bool cancel_smb2_aio(struct smb_request *smbreq);
int wait_for_aio_completion(files_struct *fsp);
void cancel_aio_by_fsp(files_struct *fsp);
void smbd_aio_complete_aio_ex(struct aio_extra *aio_ex);

/* The following definitions come from smbd/blocking.c  */

void brl_timeout_fn(struct event_context *event_ctx,
		struct timed_event *te,
		struct timeval now,
		void *private_data);
struct timeval timeval_brl_min(const struct timeval *tv1,
			const struct timeval *tv2);
void process_blocking_lock_queue(struct smbd_server_connection *sconn);
bool push_blocking_lock_request( 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 smbd_cancel_pending_lock_requests_by_fid(files_struct *fsp,
			struct byte_range_lock *br_lck,
			enum file_close_type close_type);
void cancel_pending_lock_requests_by_fid(files_struct *fsp,
			struct byte_range_lock *br_lck,
			enum file_close_type close_type);
void remove_pending_lock_requests_by_mid_smb1(
	struct smbd_server_connection *sconn, uint64_t mid);
bool blocking_lock_was_deferred_smb1(
	struct smbd_server_connection *sconn, uint64_t mid);
struct blocking_lock_record *blocking_lock_cancel_smb1(files_struct *fsp,
			uint64_t smblctx,
			uint64_t offset,
			uint64_t count,
			enum brl_flavour lock_flav,
			unsigned char locktype,
                        NTSTATUS err);

/* The following definitions come from smbd/close.c  */

void set_close_write_time(struct files_struct *fsp, struct timespec ts);
NTSTATUS close_file(struct smb_request *req, files_struct *fsp,
		    enum file_close_type close_type);
void msg_close_file(struct messaging_context *msg_ctx,
		    void *private_data,
		    uint32_t msg_type,
		    struct server_id server_id,
		    DATA_BLOB *data);
NTSTATUS delete_all_streams(connection_struct *conn, const char *fname);

/* The following definitions come from smbd/conn.c  */

void conn_init(struct smbd_server_connection *sconn);
int conn_num_open(struct smbd_server_connection *sconn);
bool conn_snum_used(struct smbd_server_connection *sconn, int snum);
connection_struct *conn_find(struct smbd_server_connection *sconn,
			     unsigned cnum);
connection_struct *conn_new(struct smbd_server_connection *sconn);
bool conn_close_all(struct smbd_server_connection *sconn);
bool conn_idle_all(struct smbd_server_connection *sconn, time_t t);
void conn_clear_vuid_caches(struct smbd_server_connection *sconn, uint16 vuid);
void conn_free(connection_struct *conn);
void conn_force_tdis(struct smbd_server_connection *sconn, const char *sharename);
void msg_force_tdis(struct messaging_context *msg,
		    void *private_data,
		    uint32_t msg_type,
		    struct server_id server_id,
		    DATA_BLOB *data);

/* The following definitions come from smbd/connection.c  */

bool yield_connection(connection_struct *conn, const char *name);
int count_current_connections( const char *sharename, bool clear  );
bool connections_snum_used(struct smbd_server_connection *unused, int snum);
bool claim_connection(connection_struct *conn, const char *name);

/* The following definitions come from smbd/dfree.c  */

uint64_t sys_disk_free(connection_struct *conn, const char *path, bool small_query,
                              uint64_t *bsize,uint64_t *dfree,uint64_t *dsize);
uint64_t get_dfree_info(connection_struct *conn,
			const char *path,
			bool small_query,
			uint64_t *bsize,
			uint64_t *dfree,
			uint64_t *dsize);

/* The following definitions come from smbd/dir.c  */

bool make_dir_struct(TALLOC_CTX *ctx,
			char *buf,
			const char *mask,
			const char *fname,
			SMB_OFF_T size,
			uint32 mode,
			time_t date,
			bool uc);
bool init_dptrs(struct smbd_server_connection *sconn);
const char *dptr_path(struct smbd_server_connection *sconn, int key);
const char *dptr_wcard(struct smbd_server_connection *sconn, int key);
uint16 dptr_attr(struct smbd_server_connection *sconn, int key);
void dptr_close(struct smbd_server_connection *sconn, int *key);
void dptr_closecnum(connection_struct *conn);
void dptr_idlecnum(connection_struct *conn);
void dptr_closepath(struct smbd_server_connection *sconn,
		    char *path,uint16 spid);
NTSTATUS dptr_create(connection_struct *conn,
		struct smb_request *req,
		files_struct *fsp,
		const char *path, bool old_handle, bool expect_close,uint16 spid,
		const char *wcard, bool wcard_has_wild, uint32 attr, struct dptr_struct **dptr_ret);
void dptr_CloseDir(files_struct *fsp);
void dptr_SeekDir(struct dptr_struct *dptr, long offset);
long dptr_TellDir(struct dptr_struct *dptr);
bool dptr_has_wild(struct dptr_struct *dptr);
int dptr_dnum(struct dptr_struct *dptr);
bool dptr_get_priv(struct dptr_struct *dptr);
void dptr_set_priv(struct dptr_struct *dptr);
char *dptr_ReadDirName(TALLOC_CTX *ctx,
			struct dptr_struct *dptr,
			long *poffset,
			SMB_STRUCT_STAT *pst);
bool dptr_SearchDir(struct dptr_struct *dptr, const char *name, long *poffset, SMB_STRUCT_STAT *pst);
void dptr_DirCacheAdd(struct dptr_struct *dptr, const char *name, long offset);
void dptr_init_search_op(struct dptr_struct *dptr);
bool dptr_fill(struct smbd_server_connection *sconn,
	       char *buf1,unsigned int key);
struct dptr_struct *dptr_fetch(struct smbd_server_connection *sconn,
			       char *buf,int *num);
struct dptr_struct *dptr_fetch_lanman2(struct smbd_server_connection *sconn,
				       int dptr_num);
bool dir_check_ftype(connection_struct *conn, uint32 mode, uint32 dirtype);
bool get_dir_entry(TALLOC_CTX *ctx,
		struct dptr_struct *dirptr,
		const char *mask,
		uint32 dirtype,
		char **pp_fname_out,
		SMB_OFF_T *size,
		uint32 *mode,
		struct timespec *date,
		bool check_descend,
		bool ask_sharemode);
bool is_visible_file(connection_struct *conn, const char *dir_path, const char *name, SMB_STRUCT_STAT *pst, bool use_veto);
struct smb_Dir *OpenDir(TALLOC_CTX *mem_ctx, connection_struct *conn,
			const char *name, const char *mask, uint32 attr);
const char *ReadDirName(struct smb_Dir *dirp, long *poffset,
			SMB_STRUCT_STAT *sbuf, char **talloced);
void RewindDir(struct smb_Dir *dirp, long *poffset);
void SeekDir(struct smb_Dir *dirp, long offset);
long TellDir(struct smb_Dir *dirp);
void DirCacheAdd(struct smb_Dir *dirp, const char *name, long offset);
bool SearchDir(struct smb_Dir *dirp, const char *name, long *poffset);
NTSTATUS can_delete_directory(struct connection_struct *conn,
				const char *dirname);

/* The following definitions come from smbd/dmapi.c  */

const void *dmapi_get_current_session(void);
bool dmapi_have_session(void);
bool dmapi_new_session(void);
bool dmapi_destroy_session(void);
uint32 dmapi_file_flags(const char * const path);

/* The following definitions come from smbd/dnsregister.c  */

bool smbd_setup_mdns_registration(struct tevent_context *ev,
				  TALLOC_CTX *mem_ctx,
				  uint16_t port);

/* The following definitions come from smbd/dosmode.c  */

mode_t unix_mode(connection_struct *conn, int dosmode,
		 const struct smb_filename *smb_fname,
		 const char *inherit_from_dir);
uint32 dos_mode_msdfs(connection_struct *conn,
		      const struct smb_filename *smb_fname);
int dos_attributes_to_stat_dos_flags(uint32_t dosmode);
uint32 dos_mode(connection_struct *conn, struct smb_filename *smb_fname);
int file_set_dosmode(connection_struct *conn, struct smb_filename *smb_fname,
		     uint32 dosmode, const char *parent_dir, bool newfile);
NTSTATUS file_set_sparse(connection_struct *conn,
			 struct files_struct *fsp,
			 bool sparse);
int file_ntimes(connection_struct *conn, const struct smb_filename *smb_fname,
		struct smb_file_time *ft);
bool set_sticky_write_time_path(struct file_id fileid, struct timespec mtime);
bool set_sticky_write_time_fsp(struct files_struct *fsp,
			       struct timespec mtime);

NTSTATUS set_create_timespec_ea(connection_struct *conn,
				const struct smb_filename *smb_fname,
				struct timespec create_time);

struct timespec get_create_timespec(connection_struct *conn,
				struct files_struct *fsp,
				const struct smb_filename *smb_fname);

struct timespec get_change_timespec(connection_struct *conn,
				struct files_struct *fsp,
				const struct smb_filename *smb_fname);

/* The following definitions come from smbd/error.c  */

bool use_nt_status(void);
void error_packet_set(char *outbuf, uint8 eclass, uint32 ecode, NTSTATUS ntstatus, int line, const char *file);
int error_packet(char *outbuf, uint8 eclass, uint32 ecode, NTSTATUS ntstatus, int line, const char *file);
void reply_nt_error(struct smb_request *req, NTSTATUS ntstatus,
		    int line, const char *file);
void reply_force_dos_error(struct smb_request *req, uint8 eclass, uint32 ecode,
		    int line, const char *file);
void reply_both_error(struct smb_request *req, uint8 eclass, uint32 ecode,
		      NTSTATUS status, int line, const char *file);
void reply_openerror(struct smb_request *req, NTSTATUS status);

/* The following definitions come from smbd/file_access.c  */

bool can_delete_file_in_directory(connection_struct *conn,
				  const struct smb_filename *smb_fname);
bool can_write_to_file(connection_struct *conn,
		       const struct smb_filename *smb_fname);
bool directory_has_default_acl(connection_struct *conn, const char *fname);
NTSTATUS can_set_delete_on_close(files_struct *fsp, uint32 dosmode);

/* The following definitions come from smbd/fileio.c  */

ssize_t read_file(files_struct *fsp,char *data,SMB_OFF_T pos,size_t n);
void update_write_time_handler(struct event_context *ctx,
                                      struct timed_event *te,
                                      struct timeval now,
                                      void *private_data);
void trigger_write_time_update(struct files_struct *fsp);
void trigger_write_time_update_immediate(struct files_struct *fsp);
ssize_t write_file(struct smb_request *req,
			files_struct *fsp,
			const char *data,
			SMB_OFF_T pos,
			size_t n);
void delete_write_cache(files_struct *fsp);
void set_filelen_write_cache(files_struct *fsp, SMB_OFF_T file_size);
ssize_t flush_write_cache(files_struct *fsp, enum flush_reason_enum reason);
NTSTATUS sync_file(connection_struct *conn, files_struct *fsp, bool write_through);
int fsp_stat(files_struct *fsp);

/* The following definitions come from smbd/filename.c  */

NTSTATUS unix_convert(TALLOC_CTX *ctx,
		      connection_struct *conn,
		      const char *orig_path,
		      struct smb_filename **smb_fname,
		      uint32_t ucf_flags);
NTSTATUS check_veto_path(connection_struct *conn, const char *name);
NTSTATUS check_name(connection_struct *conn, const char *name);
int get_real_filename(connection_struct *conn, const char *path,
		      const char *name, TALLOC_CTX *mem_ctx,
		      char **found_name);
NTSTATUS filename_convert(TALLOC_CTX *mem_ctx,
			connection_struct *conn,
			bool dfs_path,
			const char *name_in,
			uint32_t ucf_flags,
			bool *ppath_contains_wcard,
			struct smb_filename **pp_smb_fname);
NTSTATUS filename_convert_with_privilege(TALLOC_CTX *mem_ctx,
			connection_struct *conn,
			struct smb_request *smbreq,
			const char *name_in,
			uint32_t ucf_flags,
			bool *ppath_contains_wcard,
			struct smb_filename **pp_smb_fname);

/* The following definitions come from smbd/files.c  */

NTSTATUS file_new(struct smb_request *req, connection_struct *conn,
		  files_struct **result);
void file_close_conn(connection_struct *conn);
void file_close_pid(struct smbd_server_connection *sconn, uint16 smbpid,
		    int vuid);
bool file_init(struct smbd_server_connection *sconn);
void file_close_user(struct smbd_server_connection *sconn, int vuid);
struct files_struct *files_forall(
	struct smbd_server_connection *sconn,
	struct files_struct *(*fn)(struct files_struct *fsp,
				   void *private_data),
	void *private_data);
files_struct *file_find_fd(struct smbd_server_connection *sconn, int fd);
files_struct *file_find_dif(struct smbd_server_connection *sconn,
			    struct file_id id, unsigned long gen_id);
files_struct *file_find_di_first(struct smbd_server_connection *sconn,
				 struct file_id id);
files_struct *file_find_di_next(files_struct *start_fsp);
bool file_find_subpath(files_struct *dir_fsp);
void file_sync_all(connection_struct *conn);
void file_free(struct smb_request *req, files_struct *fsp);
files_struct *file_fsp(struct smb_request *req, uint16 fid);
NTSTATUS dup_file_fsp(struct smb_request *req, files_struct *from,
		      uint32 access_mask, uint32 share_access,
		      uint32 create_options, files_struct *to);
NTSTATUS file_name_hash(connection_struct *conn,
			const char *name, uint32_t *p_name_hash);
NTSTATUS fsp_set_smb_fname(struct files_struct *fsp,
			   const struct smb_filename *smb_fname_in);

/* The following definitions come from smbd/ipc.c  */

void send_trans_reply(connection_struct *conn,
		      struct smb_request *req,
		      char *rparam, int rparam_len,
		      char *rdata, int rdata_len,
		      bool buffer_too_large);
void reply_trans(struct smb_request *req);
void reply_transs(struct smb_request *req);

/* The following definitions come from smbd/lanman.c  */

void api_reply(connection_struct *conn, uint16 vuid,
	       struct smb_request *req,
	       char *data, char *params,
	       int tdscnt, int tpscnt,
	       int mdrcnt, int mprcnt);

/* The following definitions come from smbd/mangle.c  */

void mangle_reset_cache(void);
void mangle_change_to_posix(void);
bool mangle_is_mangled(const char *s, const struct share_params *p);
bool mangle_is_8_3(const char *fname, bool check_case,
		   const struct share_params *p);
bool mangle_is_8_3_wildcards(const char *fname, bool check_case,
			     const struct share_params *p);
bool mangle_must_mangle(const char *fname,
		   const struct share_params *p);
bool mangle_lookup_name_from_8_3(TALLOC_CTX *ctx,
			const char *in,
			char **out, /* talloced on the given context. */
			const struct share_params *p);
bool name_to_8_3(const char *in,
		char out[13],
		bool cache83,
		const struct share_params *p);

/* The following definitions come from smbd/mangle_hash.c  */

const struct mangle_fns *mangle_hash_init(void);

/* The following definitions come from smbd/mangle_hash2.c  */

const struct mangle_fns *mangle_hash2_init(void);
const struct mangle_fns *posix_mangle_init(void);

/* The following definitions come from smbd/message.c  */

void reply_sends(struct smb_request *req);
void reply_sendstrt(struct smb_request *req);
void reply_sendtxt(struct smb_request *req);
void reply_sendend(struct smb_request *req);

/* The following definitions come from smbd/msdfs.c  */

bool is_msdfs_link(connection_struct *conn,
		const char *path,
		SMB_STRUCT_STAT *sbufp);
struct junction_map;
NTSTATUS get_referred_path(TALLOC_CTX *ctx,
			const char *dfs_path,
			struct smbd_server_connection *sconn,
			struct junction_map *jucn,
			int *consumedcntp,
			bool *self_referralp);
int setup_dfs_referral(connection_struct *orig_conn,
			const char *dfs_path,
			int max_referral_level,
			char **ppdata, NTSTATUS *pstatus);
bool create_junction(TALLOC_CTX *ctx,
		const char *dfs_path,
		bool allow_broken_path,
		struct junction_map *jucn);
bool create_msdfs_link(const struct junction_map *jucn);
bool remove_msdfs_link(const struct junction_map *jucn);
struct junction_map *enum_msdfs_links(TALLOC_CTX *ctx, size_t *p_num_jn);
NTSTATUS resolve_dfspath(TALLOC_CTX *ctx,
			connection_struct *conn,
			bool dfs_pathnames,
			const char *name_in,
			char **pp_name_out);
NTSTATUS resolve_dfspath_wcard(TALLOC_CTX *ctx,
				connection_struct *conn,
				bool dfs_pathnames,
				const char *name_in,
				bool allow_wcards,
				char **pp_name_out,
				bool *ppath_contains_wcard);
NTSTATUS create_conn_struct(TALLOC_CTX *ctx,
				struct smbd_server_connection *sconn,
				connection_struct **pconn,
				int snum,
				const char *path,
				const struct auth_session_info *session_info,
				char **poldcwd);

/* The following definitions come from smbd/negprot.c  */

void reply_negprot(struct smb_request *req);

/* The following definitions come from smbd/notify.c  */

void change_notify_reply(struct smb_request *req,
			 NTSTATUS error_code,
			 uint32_t max_param,
			 struct notify_change_buf *notify_buf,
			 void (*reply_fn)(struct smb_request *req,
					  NTSTATUS error_code,
					  uint8_t *buf, size_t len));
NTSTATUS change_notify_create(struct files_struct *fsp, uint32 filter,
			      bool recursive);
NTSTATUS change_notify_add_request(struct smb_request *req,
				uint32 max_param,
				uint32 filter, bool recursive,
				struct files_struct *fsp,
				void (*reply_fn)(struct smb_request *req,
					NTSTATUS error_code,
					uint8_t *buf, size_t len));
void remove_pending_change_notify_requests_by_mid(
	struct smbd_server_connection *sconn, uint64_t mid);
void remove_pending_change_notify_requests_by_fid(files_struct *fsp,
						  NTSTATUS status);
void notify_fname(connection_struct *conn, uint32 action, uint32 filter,
		  const char *path);
char *notify_filter_string(TALLOC_CTX *mem_ctx, uint32 filter);
struct sys_notify_context *sys_notify_context_create(connection_struct *conn,
						     TALLOC_CTX *mem_ctx,
						     struct event_context *ev);
NTSTATUS sys_notify_watch(struct sys_notify_context *ctx,
			  connection_struct *conn,
			  struct notify_entry *e,
			  const char *path,
			  void (*callback)(struct sys_notify_context *ctx,
					   void *private_data,
					   struct notify_event *ev),
			  void *private_data, void *handle);

/* The following definitions come from smbd/notify_inotify.c  */

NTSTATUS inotify_watch(struct sys_notify_context *ctx,
		       struct notify_entry *e,
		       const char *path,
		       void (*callback)(struct sys_notify_context *ctx,
					void *private_data,
					struct notify_event *ev),
		       void *private_data,
		       void *handle_p);

/* The following definitions come from smbd/notify_internal.c  */

struct notify_context *notify_init(TALLOC_CTX *mem_ctx,
				   struct messaging_context *messaging_ctx,
				   struct event_context *ev,
				   connection_struct *conn);
bool notify_internal_parent_init(TALLOC_CTX *mem_ctx);
NTSTATUS notify_add(struct notify_context *notify, connection_struct *conn,
		    struct notify_entry *e0,
		    void (*callback)(void *, const struct notify_event *),
		    void *private_data);
NTSTATUS notify_remove(struct notify_context *notify, void *private_data);
NTSTATUS notify_remove_onelevel(struct notify_context *notify,
				const struct file_id *fid,
				void *private_data);
void notify_onelevel(struct notify_context *notify, uint32_t action,
		     uint32_t filter, struct file_id fid, const char *name);
void notify_trigger(struct notify_context *notify,
		    uint32_t action, uint32_t filter, const char *path);

/* The following definitions come from smbd/ntquotas.c  */

int vfs_get_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
int vfs_set_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
int vfs_get_user_ntquota_list(files_struct *fsp, SMB_NTQUOTA_LIST **qt_list);
void *init_quota_handle(TALLOC_CTX *mem_ctx);

/* The following definitions come from smbd/nttrans.c  */

void reply_ntcreate_and_X(struct smb_request *req);
NTSTATUS set_sd(files_struct *fsp, uint8_t *data, uint32_t sd_len,
                       uint32_t security_info_sent);
struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size);
void reply_ntcancel(struct smb_request *req);
void reply_ntrename(struct smb_request *req);
NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
					TALLOC_CTX *mem_ctx,
					files_struct *fsp,
					uint32_t security_info_wanted,
					uint32_t max_data_count,
					uint8_t **ppmarshalled_sd,
					size_t *psd_size);
void reply_nttrans(struct smb_request *req);
void reply_nttranss(struct smb_request *req);

/* The following definitions come from smbd/open.c  */

NTSTATUS smbd_check_access_rights(struct connection_struct *conn,
				const struct smb_filename *smb_fname,
				uint32_t access_mask);
NTSTATUS fd_close(files_struct *fsp);
void change_file_owner_to_parent(connection_struct *conn,
				 const char *inherit_from_dir,
				 files_struct *fsp);
NTSTATUS change_dir_owner_to_parent(connection_struct *conn,
				    const char *inherit_from_dir,
				    const char *fname,
				    SMB_STRUCT_STAT *psbuf);
bool is_stat_open(uint32 access_mask);
bool request_timed_out(struct timeval request_time,
		       struct timeval timeout);
bool open_match_attributes(connection_struct *conn,
			   uint32 old_dos_attr,
			   uint32 new_dos_attr,
			   mode_t existing_unx_mode,
			   mode_t new_unx_mode,
			   mode_t *returned_unx_mode);
NTSTATUS fcb_or_dos_open(struct smb_request *req,
			 connection_struct *conn,
			 files_struct *fsp_to_dup_into,
			 const struct smb_filename *smb_fname,
			 struct file_id id,
			 uint16 file_pid,
			 uint16 vuid,
			 uint32 access_mask,
			 uint32 share_access,
			 uint32 create_options);
void remove_deferred_open_entry(struct file_id id, uint64_t mid,
				struct server_id pid);
NTSTATUS open_file_fchmod(connection_struct *conn,
			  struct smb_filename *smb_fname,
			  files_struct **result);
bool check_same_stat(const SMB_STRUCT_STAT *sbuf1,
			const SMB_STRUCT_STAT *sbuf2);
NTSTATUS create_directory(connection_struct *conn, struct smb_request *req,
			  struct smb_filename *smb_dname);
void msg_file_was_renamed(struct messaging_context *msg,
			  void *private_data,
			  uint32_t msg_type,
			  struct server_id server_id,
			  DATA_BLOB *data);
NTSTATUS open_streams_for_delete(connection_struct *conn,
				 const char *fname);
NTSTATUS create_file_default(connection_struct *conn,
			     struct smb_request *req,
			     uint16_t root_dir_fid,
			     struct smb_filename * smb_fname,
			     uint32_t access_mask,
			     uint32_t share_access,
			     uint32_t create_disposition,
			     uint32_t create_options,
			     uint32_t file_attributes,
			     uint32_t oplock_request,
			     uint64_t allocation_size,
			     uint32_t private_flags,
			     struct security_descriptor *sd,
			     struct ea_list *ea_list,

			     files_struct **result,
			     int *pinfo);
NTSTATUS get_relative_fid_filename(connection_struct *conn,
				   struct smb_request *req,
				   uint16_t root_dir_fid,
				   const struct smb_filename *smb_fname,
				   struct smb_filename **smb_fname_out);

/* The following definitions come from smbd/oplock.c  */

int32 get_number_of_exclusive_open_oplocks(void);
void break_kernel_oplock(struct messaging_context *msg_ctx, files_struct *fsp);
bool set_file_oplock(files_struct *fsp, int oplock_type);
void release_file_oplock(files_struct *fsp);
bool remove_oplock(files_struct *fsp);
bool downgrade_oplock(files_struct *fsp);
bool should_notify_deferred_opens(void);
void break_level2_to_none_async(files_struct *fsp);
void reply_to_oplock_break_requests(files_struct *fsp);
void contend_level2_oplocks_begin(files_struct *fsp,
				  enum level2_contention_type type);
void contend_level2_oplocks_end(files_struct *fsp,
				enum level2_contention_type type);
void smbd_contend_level2_oplocks_begin(files_struct *fsp,
				  enum level2_contention_type type);
void smbd_contend_level2_oplocks_end(files_struct *fsp,
				enum level2_contention_type type);
void share_mode_entry_to_message(char *msg, const struct share_mode_entry *e);
void message_to_share_mode_entry(struct share_mode_entry *e, char *msg);
bool init_oplocks(struct smbd_server_connection *sconn);

/* The following definitions come from smbd/oplock_irix.c  */

struct kernel_oplocks *irix_init_kernel_oplocks(struct smbd_server_connection *sconn);

/* The following definitions come from smbd/oplock_linux.c  */

void linux_set_lease_capability(void);
int linux_set_lease_sighandler(int fd);
int linux_setlease(int fd, int leasetype);
struct kernel_oplocks *linux_init_kernel_oplocks(struct smbd_server_connection *sconn);

/* The following definitions come from smbd/oplock_onefs.c  */

struct kernel_oplocks *onefs_init_kernel_oplocks(struct smbd_server_connection *sconn);

/* The following definitions come from smbd/password.c  */

user_struct *get_valid_user_struct(struct smbd_server_connection *sconn,
				   uint16 vuid);
bool is_partial_auth_vuid(struct smbd_server_connection *sconn, uint16 vuid);
user_struct *get_partial_auth_user_struct(struct smbd_server_connection *sconn,
					  uint16 vuid);
void invalidate_vuid(struct smbd_server_connection *sconn, uint16 vuid);
void invalidate_all_vuids(struct smbd_server_connection *sconn);
int register_initial_vuid(struct smbd_server_connection *sconn);
int register_homes_share(const char *username);
int register_existing_vuid(struct smbd_server_connection *sconn,
			uint16 vuid,
			struct auth_session_info *session_info,
			DATA_BLOB response_blob);

/* The following definitions come from smbd/pipes.c  */

NTSTATUS open_np_file(struct smb_request *smb_req, const char *name,
		      struct files_struct **pfsp);
void reply_open_pipe_and_X(connection_struct *conn, struct smb_request *req);
void reply_pipe_write(struct smb_request *req);
void reply_pipe_write_and_X(struct smb_request *req);
void reply_pipe_read_and_X(struct smb_request *req);

/* The following definitions come from smbd/posix_acls.c  */

void create_file_sids(const SMB_STRUCT_STAT *psbuf, struct dom_sid *powner_sid, struct dom_sid *pgroup_sid);
bool nt4_compatible_acls(void);
uint32_t map_canon_ace_perms(int snum,
                                enum security_ace_type *pacl_type,
                                mode_t perms,
                                bool directory_ace);
NTSTATUS unpack_nt_owners(connection_struct *conn, uid_t *puser, gid_t *pgrp, uint32 security_info_sent, const struct security_descriptor *psd);
bool current_user_in_group(connection_struct *conn, gid_t gid);
SMB_ACL_T free_empty_sys_acl(connection_struct *conn, SMB_ACL_T the_acl);
NTSTATUS posix_fget_nt_acl(struct files_struct *fsp, uint32_t security_info,
			   struct security_descriptor **ppdesc);
NTSTATUS posix_get_nt_acl(struct connection_struct *conn, const char *name,
			  uint32_t security_info, struct security_descriptor **ppdesc);
NTSTATUS try_chown(files_struct *fsp, uid_t uid, gid_t gid);
NTSTATUS append_parent_acl(files_struct *fsp,
				const struct security_descriptor *pcsd,
				struct security_descriptor **pp_new_sd);
NTSTATUS set_nt_acl(files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd);
int get_acl_group_bits( connection_struct *conn, const char *fname, mode_t *mode );
int chmod_acl(connection_struct *conn, const char *name, mode_t mode);
int inherit_access_posix_acl(connection_struct *conn, const char *inherit_from_dir,
		       const char *name, mode_t mode);
int fchmod_acl(files_struct *fsp, mode_t mode);
bool set_unix_posix_default_acl(connection_struct *conn, const char *fname,
				const SMB_STRUCT_STAT *psbuf,
				uint16 num_def_acls, const char *pdata);
bool set_unix_posix_acl(connection_struct *conn, files_struct *fsp, const char *fname, uint16 num_acls, const char *pdata);
struct security_descriptor *get_nt_acl_no_snum( TALLOC_CTX *ctx, const char *fname);
NTSTATUS make_default_filesystem_acl(TALLOC_CTX *ctx,
					const char *name,
					SMB_STRUCT_STAT *psbuf,
					struct security_descriptor **ppdesc);

/* The following definitions come from smbd/process.c  */

void smbd_setup_sig_term_handler(struct smbd_server_connection *sconn);
void smbd_setup_sig_hup_handler(struct smbd_server_connection *sconn);
bool srv_send_smb(struct smbd_server_connection *sconn, char *buffer,
		  bool no_signing, uint32_t seqnum,
		  bool do_encrypt,
		  struct smb_perfcount_data *pcd);
int srv_set_message(char *buf,
                        int num_words,
                        int num_bytes,
                        bool zero);
void remove_deferred_open_message_smb(struct smbd_server_connection *sconn,
				      uint64_t mid);
void schedule_deferred_open_message_smb(struct smbd_server_connection *sconn,
					uint64_t mid);
bool open_was_deferred(struct smbd_server_connection *sconn, uint64_t mid);
bool get_deferred_open_message_state(struct smb_request *smbreq,
				struct timeval *p_request_time,
				void **pp_state);
bool push_deferred_open_message_smb(struct smb_request *req,
				struct timeval request_time,
				struct timeval timeout,
				struct file_id id,
				char *private_data,
				size_t priv_len);
NTSTATUS allow_new_trans(struct trans_state *list, uint64_t mid);
void reply_outbuf(struct smb_request *req, uint8 num_words, uint32 num_bytes);
void smb_request_done(struct smb_request *req);
const char *smb_fn_name(int type);
void add_to_common_flags2(uint32 v);
void remove_from_common_flags2(uint32 v);
void construct_reply_common_req(struct smb_request *req, char *outbuf);
bool smb1_is_chain(const uint8_t *buf);
bool smb1_walk_chain(const uint8_t *buf,
		     bool (*fn)(uint8_t cmd,
				uint8_t wct, const uint16_t *vwv,
				uint16_t num_bytes, const uint8_t *bytes,
				void *private_data),
		     void *private_data);
unsigned smb1_chain_length(const uint8_t *buf);
bool smb1_parse_chain(TALLOC_CTX *mem_ctx, const uint8_t *buf,
		      struct smbd_server_connection *sconn,
		      bool encrypted, uint32_t seqnum,
		      struct smb_request ***reqs, unsigned *num_reqs);
bool req_is_in_chain(struct smb_request *req);
void smbd_process(struct tevent_context *ev_ctx,
		  struct smbd_server_connection *sconn);
bool fork_echo_handler(struct smbd_server_connection *sconn);

/* The following definitions come from smbd/quotas.c  */

bool disk_quotas(const char *path, uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
bool disk_quotas(const char *path, uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
bool disk_quotas(const char *path,
		uint64_t *bsize,
		uint64_t *dfree,
		uint64_t *dsize);
bool disk_quotas(const char *path, uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
bool disk_quotas(const char *path, uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
bool disk_quotas(const char *path, uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
bool disk_quotas_vxfs(const char *name, char *path, uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
bool disk_quotas(const char *path,uint64_t *bsize,uint64_t *dfree,uint64_t *dsize);
bool disk_quotas(const char *path,uint64_t *bsize,uint64_t *dfree,uint64_t *dsize);

/* The following definitions come from smbd/reply.c  */

NTSTATUS check_path_syntax(char *path);
NTSTATUS check_path_syntax_wcard(char *path, bool *p_contains_wcard);
NTSTATUS check_path_syntax_posix(char *path);
size_t srvstr_get_path_wcard(TALLOC_CTX *ctx,
			const char *inbuf,
			uint16 smb_flags2,
			char **pp_dest,
			const char *src,
			size_t src_len,
			int flags,
			NTSTATUS *err,
			bool *contains_wcard);
size_t srvstr_get_path(TALLOC_CTX *ctx,
			const char *inbuf,
			uint16 smb_flags2,
			char **pp_dest,
			const char *src,
			size_t src_len,
			int flags,
			NTSTATUS *err);
size_t srvstr_get_path_req_wcard(TALLOC_CTX *mem_ctx, struct smb_request *req,
				 char **pp_dest, const char *src, int flags,
				 NTSTATUS *err, bool *contains_wcard);
size_t srvstr_get_path_req(TALLOC_CTX *mem_ctx, struct smb_request *req,
			   char **pp_dest, const char *src, int flags,
			   NTSTATUS *err);
bool check_fsp_open(connection_struct *conn, struct smb_request *req,
		    files_struct *fsp);
bool check_fsp(connection_struct *conn, struct smb_request *req,
	       files_struct *fsp);
bool check_fsp_ntquota_handle(connection_struct *conn, struct smb_request *req,
			      files_struct *fsp);
void reply_special(struct smbd_server_connection *sconn, char *inbuf, size_t inbuf_len);
void reply_tcon(struct smb_request *req);
void reply_tcon_and_X(struct smb_request *req);
void reply_unknown_new(struct smb_request *req, uint8 type);
void reply_ioctl(struct smb_request *req);
void reply_checkpath(struct smb_request *req);
void reply_getatr(struct smb_request *req);
void reply_setatr(struct smb_request *req);
void reply_dskattr(struct smb_request *req);
void reply_search(struct smb_request *req);
void reply_fclose(struct smb_request *req);
void reply_open(struct smb_request *req);
void reply_open_and_X(struct smb_request *req);
void reply_ulogoffX(struct smb_request *req);
void reply_mknew(struct smb_request *req);
void reply_ctemp(struct smb_request *req);
NTSTATUS unlink_internals(connection_struct *conn, struct smb_request *req,
			  uint32 dirtype, struct smb_filename *smb_fname,
			  bool has_wild);
void reply_unlink(struct smb_request *req);
ssize_t fake_sendfile(files_struct *fsp, SMB_OFF_T startpos, size_t nread);
void sendfile_short_send(files_struct *fsp,
				ssize_t nread,
				size_t headersize,
				size_t smb_maxcnt);
void reply_readbraw(struct smb_request *req);
void reply_lockread(struct smb_request *req);
void reply_read(struct smb_request *req);
void reply_read_and_X(struct smb_request *req);
void error_to_writebrawerr(struct smb_request *req);
void reply_writebraw(struct smb_request *req);
void reply_writeunlock(struct smb_request *req);
void reply_write(struct smb_request *req);
bool is_valid_writeX_buffer(struct smbd_server_connection *sconn,
			    const uint8_t *inbuf);
void reply_write_and_X(struct smb_request *req);
void reply_lseek(struct smb_request *req);
void reply_flush(struct smb_request *req);
void reply_exit(struct smb_request *req);
void reply_close(struct smb_request *req);
void reply_writeclose(struct smb_request *req);
void reply_lock(struct smb_request *req);
void reply_unlock(struct smb_request *req);
void reply_tdis(struct smb_request *req);
void reply_echo(struct smb_request *req);
void reply_printopen(struct smb_request *req);
void reply_printclose(struct smb_request *req);
void reply_printqueue(struct smb_request *req);
void reply_printwrite(struct smb_request *req);
void reply_mkdir(struct smb_request *req);
void reply_rmdir(struct smb_request *req);
NTSTATUS rename_internals_fsp(connection_struct *conn,
			files_struct *fsp,
			const struct smb_filename *smb_fname_dst_in,
			uint32 attrs,
			bool replace_if_exists);
NTSTATUS rename_internals(TALLOC_CTX *ctx,
			connection_struct *conn,
			struct smb_request *req,
			struct smb_filename *smb_fname_src,
			struct smb_filename *smb_fname_dst,
			uint32 attrs,
			bool replace_if_exists,
			bool src_has_wild,
			bool dest_has_wild,
			uint32_t access_mask);
void reply_mv(struct smb_request *req);
NTSTATUS copy_file(TALLOC_CTX *ctx,
			connection_struct *conn,
			struct smb_filename *smb_fname_src,
			struct smb_filename *smb_fname_dst,
			int ofun,
			int count,
			bool target_is_directory);
void reply_copy(struct smb_request *req);
uint64_t get_lock_pid(const uint8_t *data, int data_offset,
		    bool large_file_format);
uint64_t get_lock_count(const uint8_t *data, int data_offset,
			bool large_file_format);
uint64_t get_lock_offset(const uint8_t *data, int data_offset,
			 bool large_file_format, bool *err);
void reply_lockingX(struct smb_request *req);
void reply_readbmpx(struct smb_request *req);
void reply_readbs(struct smb_request *req);
void reply_setattrE(struct smb_request *req);
void reply_writebmpx(struct smb_request *req);
void reply_writebs(struct smb_request *req);
void reply_getattrE(struct smb_request *req);

/* The following definitions come from smbd/seal.c  */

bool is_encrypted_packet(struct smbd_server_connection *sconn,
			 const uint8_t *inbuf);
void srv_free_enc_buffer(struct smbd_server_connection *sconn, char *buf);
NTSTATUS srv_decrypt_buffer(struct smbd_server_connection *sconn, char *buf);
NTSTATUS srv_encrypt_buffer(struct smbd_server_connection *sconn, char *buf,
			    char **buf_out);
NTSTATUS srv_request_encryption_setup(connection_struct *conn,
					unsigned char **ppdata,
					size_t *p_data_size,
					unsigned char **pparam,
					size_t *p_param_size);
NTSTATUS srv_encryption_start(connection_struct *conn);
void server_encryption_shutdown(struct smbd_server_connection *sconn);

/* The following definitions come from smbd/sec_ctx.c  */

bool unix_token_equal(const struct security_unix_token *t1, const struct security_unix_token *t2);
bool push_sec_ctx(void);
void set_sec_ctx(uid_t uid, gid_t gid, int ngroups, gid_t *groups, struct security_token *token);
void set_root_sec_ctx(void);
bool pop_sec_ctx(void);
void init_sec_ctx(void);

/* The following definitions come from smbd/server.c  */

struct memcache *smbd_memcache(void);
void delete_and_reload_printers(struct tevent_context *ev,
				struct messaging_context *msg_ctx);
bool reload_services(struct smbd_server_connection *sconn,
		     bool (*snumused) (struct smbd_server_connection *, int),
		     bool test);
void exit_server(const char *const explanation);
void exit_server_cleanly(const char *const explanation);
NTSTATUS messaging_send_to_children(struct messaging_context *msg_ctx,
				    uint32_t msg_type, DATA_BLOB* data);

/* The following definitions come from smbd/service.c  */

bool set_conn_connectpath(connection_struct *conn, const char *connectpath);
NTSTATUS set_conn_force_user_group(connection_struct *conn, int snum);
bool set_current_service(connection_struct *conn, uint16 flags, bool do_chdir);
void load_registry_shares(void);
int add_home_service(const char *service, const char *username, const char *homedir);
int find_service(TALLOC_CTX *ctx, const char *service, char **p_service_out);
struct smbd_smb2_tcon;
connection_struct *make_connection_smb2(struct smbd_server_connection *sconn,
					struct smbd_smb2_tcon *tcon,
					user_struct *vuser,
					const char *pdev,
					NTSTATUS *pstatus);
connection_struct *make_connection(struct smbd_server_connection *sconn,
				   const char *service_in,
				   const char *pdev, uint16 vuid,
				   NTSTATUS *status);
void close_cnum(connection_struct *conn, uint16 vuid);

/* The following definitions come from smbd/session.c  */
struct sessionid;
bool session_init(void);
bool session_claim(struct smbd_server_connection *sconn, user_struct *vuser);
void session_yield(user_struct *vuser);
int list_sessions(TALLOC_CTX *mem_ctx, struct sessionid **session_list);

/* The following definitions come from smbd/sesssetup.c  */

void reply_sesssetup_and_X(struct smb_request *req);

/* The following definitions come from smbd/share_access.c  */

bool token_contains_name_in_list(const char *username,
				 const char *domain,
				 const char *sharename,
				 const struct security_token *token,
				 const char **list);
bool user_ok_token(const char *username, const char *domain,
		   const struct security_token *token, int snum);
bool is_share_read_only_for_token(const char *username,
				  const char *domain,
				  const struct security_token *token,
				  connection_struct *conn);

/* The following definitions come from smbd/srvstr.c  */

size_t srvstr_push_fn(const char *base_ptr, uint16 smb_flags2, void *dest,
		      const char *src, int dest_len, int flags);
ssize_t message_push_string(uint8 **outbuf, const char *str, int flags);

/* The following definitions come from smbd/statcache.c  */

void stat_cache_add( const char *full_orig_name,
		char *translated_path,
		bool case_sensitive);
bool stat_cache_lookup(connection_struct *conn,
			bool posix_paths,
			char **pp_name,
			char **pp_dirpath,
			char **pp_start,
			SMB_STRUCT_STAT *pst);
void smbd_send_stat_cache_delete_message(struct messaging_context *msg_ctx,
				    const char *name);
void send_stat_cache_delete_message(struct messaging_context *msg_ctx,
				    const char *name);
void stat_cache_delete(const char *name);
#if BUILD_TDB2
struct tdb_data;
unsigned int fast_string_hash(struct tdb_data *key);
#else
struct TDB_DATA;
unsigned int fast_string_hash(struct TDB_DATA *key);
#endif
bool reset_stat_cache( void );

/* The following definitions come from smbd/statvfs.c  */

int sys_statvfs(const char *path, vfs_statvfs_struct *statbuf);

/* The following definitions come from smbd/trans2.c  */

NTSTATUS check_access(connection_struct *conn,
				files_struct *fsp,
				const struct smb_filename *smb_fname,
				uint32_t access_mask);
uint64_t smb_roundup(connection_struct *conn, uint64_t val);
uint64_t get_FileIndex(connection_struct *conn, const SMB_STRUCT_STAT *psbuf);
NTSTATUS get_ea_value(TALLOC_CTX *mem_ctx, connection_struct *conn,
		      files_struct *fsp, const char *fname,
		      const char *ea_name, struct ea_struct *pea);
NTSTATUS get_ea_names_from_file(TALLOC_CTX *mem_ctx, connection_struct *conn,
				files_struct *fsp, const char *fname,
				char ***pnames, size_t *pnum_names);
NTSTATUS set_ea(connection_struct *conn, files_struct *fsp,
		const struct smb_filename *smb_fname, struct ea_list *ea_list);
struct ea_list *read_ea_list_entry(TALLOC_CTX *ctx, const char *pdata, size_t data_size, size_t *pbytes_used);
void send_trans2_replies(connection_struct *conn,
			struct smb_request *req,
			 const char *params,
			 int paramsize,
			 const char *pdata,
			 int datasize,
			 int max_data_bytes);
unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16]);
NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
		connection_struct *conn,
		struct smb_request *req,
		bool overwrite_if_exists,
		const struct smb_filename *smb_fname_old,
		struct smb_filename *smb_fname_new);
NTSTATUS smb_set_file_time(connection_struct *conn,
			   files_struct *fsp,
			   const struct smb_filename *smb_fname,
			   struct smb_file_time *ft,
			   bool setting_write_time);
void reply_findclose(struct smb_request *req);
void reply_findnclose(struct smb_request *req);
void reply_trans2(struct smb_request *req);
void reply_transs2(struct smb_request *req);

/* The following definitions come from smbd/uid.c  */

bool change_to_guest(void);
bool change_to_user(connection_struct *conn, uint16 vuid);
bool change_to_root_user(void);
bool smbd_change_to_root_user(void);
bool become_authenticated_pipe_user(struct auth_session_info *session_info);
bool unbecome_authenticated_pipe_user(void);
void become_root(void);
void unbecome_root(void);
void smbd_become_root(void);
void smbd_unbecome_root(void);
bool become_user(connection_struct *conn, uint16 vuid);
bool become_user_by_session(connection_struct *conn,
			    const struct auth_session_info *session_info);
bool unbecome_user(void);
uid_t get_current_uid(connection_struct *conn);
gid_t get_current_gid(connection_struct *conn);
const struct security_unix_token *get_current_utok(connection_struct *conn);
const struct security_token *get_current_nttok(connection_struct *conn);
uint16_t get_current_vuid(connection_struct *conn);

/* The following definitions come from smbd/utmp.c  */

void sys_utmp_claim(const char *username, const char *hostname,
			const char *ip_addr_str,
			const char *id_str, int id_num);
void sys_utmp_yield(const char *username, const char *hostname,
			const char *ip_addr_str,
			const char *id_str, int id_num);
void sys_utmp_yield(const char *username, const char *hostname,
			const char *ip_addr_str,
			const char *id_str, int id_num);
void sys_utmp_claim(const char *username, const char *hostname,
			const char *ip_addr_str,
			const char *id_str, int id_num);

/* The following definitions come from smbd/vfs.c  */

NTSTATUS smb_register_vfs(int version, const char *name,
			  const struct vfs_fn_pointers *fns);
bool vfs_init_custom(connection_struct *conn, const char *vfs_object);
void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
				   files_struct *fsp, size_t ext_size,
				   void (*destroy_fn)(void *p_data));
void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
bool smbd_vfs_init(connection_struct *conn);
NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname);
ssize_t vfs_read_data(files_struct *fsp, char *buf, size_t byte_count);
ssize_t vfs_pread_data(files_struct *fsp, char *buf,
                size_t byte_count, SMB_OFF_T offset);
ssize_t vfs_write_data(struct smb_request *req,
			files_struct *fsp,
			const char *buffer,
			size_t N);
ssize_t vfs_pwrite_data(struct smb_request *req,
			files_struct *fsp,
			const char *buffer,
			size_t N,
			SMB_OFF_T offset);
int vfs_allocate_file_space(files_struct *fsp, uint64_t len);
int vfs_set_filelen(files_struct *fsp, SMB_OFF_T len);
int vfs_slow_fallocate(files_struct *fsp, SMB_OFF_T offset, SMB_OFF_T len);
int vfs_fill_sparse(files_struct *fsp, SMB_OFF_T len);
SMB_OFF_T vfs_transfer_file(files_struct *in, files_struct *out, SMB_OFF_T n);
const char *vfs_readdirname(connection_struct *conn, void *p,
			    SMB_STRUCT_STAT *sbuf, char **talloced);
int vfs_ChDir(connection_struct *conn, const char *path);
char *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn);
NTSTATUS check_reduced_name(connection_struct *conn, const char *fname);
NTSTATUS check_reduced_name_with_privilege(connection_struct *conn,
			const char *fname,
			struct smb_request *smbreq);
int vfs_stat_smb_fname(struct connection_struct *conn, const char *fname,
		       SMB_STRUCT_STAT *psbuf);
int vfs_lstat_smb_fname(struct connection_struct *conn, const char *fname,
			SMB_STRUCT_STAT *psbuf);
NTSTATUS vfs_stat_fsp(files_struct *fsp);
NTSTATUS vfs_chown_fsp(files_struct *fsp, uid_t uid, gid_t gid);
NTSTATUS vfs_streaminfo(connection_struct *conn,
			struct files_struct *fsp,
			const char *fname,
			TALLOC_CTX *mem_ctx,
			unsigned int *num_streams,
			struct stream_struct **streams);

/* The following definitions come from smbd/avahi_register.c */

void *avahi_start_register(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
			   uint16_t port);

#endif /* _SMBD_PROTO_H_ */