/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * Function prototypes for the SMB module.
 */

#ifndef _SMB_KPROTO_H_
#define	_SMB_KPROTO_H_

#ifdef	__cplusplus
extern "C" {
#endif

#include <sys/systm.h>
#include <sys/socket.h>
#include <sys/strsubr.h>
#include <sys/socketvar.h>
#include <sys/ksocket.h>
#include <sys/cred.h>
#include <smbsrv/smb_vops.h>
#include <smbsrv/smb_xdr.h>
#include <smbsrv/smb_token.h>
#include <smbsrv/smb_ktypes.h>
#include <smbsrv/smb_ioctl.h>

extern	int smb_maxbufsize;
extern	int smb_flush_required;
extern	int smb_dirsymlink_enable;
extern	int smb_announce_quota;
extern	int smb_oplock_timeout;
extern	int smb_sign_debug;
extern	uint_t smb_audit_flags;

#define	smb_gmt2local(_sr_, _gmt_)	((_gmt_) - (_sr_)->sr_gmtoff)
#define	smb_local2gmt(_sr_, _local_)	((_local_) + (_sr_)->sr_gmtoff)

int		fd_dealloc(int);

off_t		lseek(int fildes, off_t offset, int whence);

int		arpioctl(int cmd, void *data);
/* Why? uint32_t	inet_addr(char *str); */
int		microtime(timestruc_t *tvp);
int		clock_get_uptime(void);

/*
 * SMB request handers called from the dispatcher.
 */
#define	SMB_SDT_OPS(NAME)	\
	smb_pre_##NAME,		\
	smb_com_##NAME,		\
	smb_post_##NAME

#define	SMB_COM_DECL(NAME)				\
	smb_sdrc_t smb_pre_##NAME(smb_request_t *);	\
	smb_sdrc_t smb_com_##NAME(smb_request_t *);	\
	void smb_post_##NAME(smb_request_t *)

SMB_COM_DECL(check_directory);
SMB_COM_DECL(close);
SMB_COM_DECL(close_and_tree_disconnect);
SMB_COM_DECL(close_print_file);
SMB_COM_DECL(create);
SMB_COM_DECL(create_directory);
SMB_COM_DECL(create_new);
SMB_COM_DECL(create_temporary);
SMB_COM_DECL(delete);
SMB_COM_DECL(delete_directory);
SMB_COM_DECL(echo);
SMB_COM_DECL(find);
SMB_COM_DECL(find_close);
SMB_COM_DECL(find_close2);
SMB_COM_DECL(find_unique);
SMB_COM_DECL(flush);
SMB_COM_DECL(get_print_queue);
SMB_COM_DECL(invalid);
SMB_COM_DECL(ioctl);
SMB_COM_DECL(lock_and_read);
SMB_COM_DECL(lock_byte_range);
SMB_COM_DECL(locking_andx);
SMB_COM_DECL(logoff_andx);
SMB_COM_DECL(negotiate);
SMB_COM_DECL(nt_cancel);
SMB_COM_DECL(nt_create_andx);
SMB_COM_DECL(nt_transact);
SMB_COM_DECL(nt_transact_secondary);
SMB_COM_DECL(open);
SMB_COM_DECL(open_andx);
SMB_COM_DECL(open_print_file);
SMB_COM_DECL(process_exit);
SMB_COM_DECL(query_information);
SMB_COM_DECL(query_information2);
SMB_COM_DECL(query_information_disk);
SMB_COM_DECL(read);
SMB_COM_DECL(read_andx);
SMB_COM_DECL(read_raw);
SMB_COM_DECL(rename);
SMB_COM_DECL(search);
SMB_COM_DECL(seek);
SMB_COM_DECL(session_setup_andx);
SMB_COM_DECL(set_information);
SMB_COM_DECL(set_information2);
SMB_COM_DECL(transaction);
SMB_COM_DECL(transaction2);
SMB_COM_DECL(transaction2_secondary);
SMB_COM_DECL(transaction_secondary);
SMB_COM_DECL(tree_connect);
SMB_COM_DECL(tree_connect_andx);
SMB_COM_DECL(tree_disconnect);
SMB_COM_DECL(unlock_byte_range);
SMB_COM_DECL(write);
SMB_COM_DECL(write_and_close);
SMB_COM_DECL(write_and_unlock);
SMB_COM_DECL(write_andx);
SMB_COM_DECL(write_print_file);
SMB_COM_DECL(write_raw);

#define	SMB_NT_TRANSACT_DECL(NAME)				\
	smb_sdrc_t smb_pre_##NAME(smb_request_t *, smb_xa_t *);	\
	smb_sdrc_t smb_##NAME(smb_request_t *, smb_xa_t *);	\
	void smb_post_##NAME(smb_request_t *, smb_xa_t *)

SMB_NT_TRANSACT_DECL(nt_transact_create);

int smb_notify_init(void);
void smb_notify_fini(void);

smb_sdrc_t smb_nt_transact_notify_change(struct smb_request *, struct smb_xa *);
smb_sdrc_t smb_nt_transact_query_security_info(struct smb_request *,
    struct smb_xa *);
smb_sdrc_t smb_nt_transact_set_security_info(struct smb_request *,
    struct smb_xa *);
smb_sdrc_t smb_nt_transact_ioctl(struct smb_request *, struct smb_xa *);

smb_sdrc_t smb_com_trans2_open2(smb_request_t *, smb_xa_t *);
smb_sdrc_t smb_com_trans2_create_directory(struct smb_request *,
    struct smb_xa *);
smb_sdrc_t smb_com_trans2_find_first2(struct smb_request *, struct smb_xa *);
smb_sdrc_t smb_com_trans2_find_next2(struct smb_request *, struct smb_xa *);
smb_sdrc_t smb_com_trans2_query_fs_information(struct smb_request *,
    struct smb_xa *);
smb_sdrc_t smb_com_trans2_query_path_information(struct smb_request *,
    struct smb_xa *);
smb_sdrc_t smb_com_trans2_query_file_information(struct smb_request *,
    struct smb_xa *);
smb_sdrc_t smb_com_trans2_set_path_information(struct smb_request *,
    struct smb_xa *);
smb_sdrc_t smb_com_trans2_set_file_information(struct smb_request *,
    struct smb_xa *);

/*
 * Logging functions
 */
void smb_log_flush(void);
void smb_correct_keep_alive_values(uint32_t new_keep_alive);
void smb_close_all_connections(void);
int smb_set_file_size(smb_request_t *, smb_node_t *);

int smb_net_id(uint32_t);

void smb_process_file_notify_change_queue(struct smb_ofile *of);

void smb_oplock_acquire(smb_node_t *, smb_ofile_t *, open_param_t	*);
boolean_t smb_oplock_break(smb_node_t *, smb_session_t *, boolean_t);
void smb_oplock_release(smb_node_t *, smb_ofile_t *);
boolean_t smb_oplock_conflict(smb_node_t *, smb_session_t *, open_param_t *);
boolean_t smb_oplock_broadcast(smb_node_t *);

/*
 * macros used in oplock processing
 *
 * SMB_ATTR_ONLY_OPEN: Checks to see if this is
 * an attribute-only open with no contravening
 * dispositions.  Such an open cannot effect an
 * oplock break.  However, a contravening disposition
 * of FILE_SUPERSEDE or FILE_OVERWRITE can allow
 * an oplock break.
 */

#define	SMB_ATTR_ONLY_OPEN(op)					\
	((op) && (op)->desired_access &&			\
	(((op)->desired_access & ~(FILE_READ_ATTRIBUTES |	\
	FILE_WRITE_ATTRIBUTES | SYNCHRONIZE)) == 0) &&		\
	((op)->create_disposition != FILE_SUPERSEDE) &&		\
	((op)->create_disposition != FILE_OVERWRITE))		\

uint32_t smb_unlock_range(struct smb_request *, struct smb_node *,
    uint64_t, uint64_t);
uint32_t smb_lock_range(smb_request_t *, uint64_t, uint64_t, uint32_t,
    uint32_t locktype);
void smb_lock_range_error(smb_request_t *, uint32_t);

DWORD smb_range_check(smb_request_t *, smb_node_t *, uint64_t, uint64_t,
    boolean_t);

int smb_mangle_name(ino64_t fileid, char *name, char *shortname,
    char *name83, int force);
int smb_unmangle_name(struct smb_request *sr, cred_t *cred,
    smb_node_t *dir_node, char *name, char *real_name, int realname_size,
    char *shortname, char *name83, int od);
int smb_maybe_mangled_name(char *name);
int smb_maybe_mangled_path(const char *path, size_t pathlen);
int smb_needs_mangle(char *name, char **dot_pos);
boolean_t smb_is_invalid_filename(const char *);

void smbsr_cleanup(struct smb_request *sr);

int smbsr_connect_tree(struct smb_request *);

int smb_common_create_directory(struct smb_request *);

int	smb_convert_wildcards(char *);
int	smb_ascii_or_unicode_strlen(struct smb_request *, char *);
int	smb_ascii_or_unicode_strlen_null(struct smb_request *, char *);
int	smb_ascii_or_unicode_null_len(struct smb_request *);

int	smb_search(struct smb_request *);

uint32_t smb_common_open(smb_request_t *);
DWORD smb_validate_object_name(char *path, unsigned int ftype);

uint32_t smb_omode_to_amask(uint32_t desired_access);

void	sshow_distribution_info(char *);

boolean_t smb_dispatch_request(smb_request_t *);
void	smbsr_disconnect_file(smb_request_t *);
void	smbsr_disconnect_dir(smb_request_t *);
int	smbsr_encode_empty_result(struct smb_request *);
void	smbsr_lookup_file(smb_request_t *);

int	smbsr_decode_vwv(struct smb_request *sr, char *fmt, ...);
int	smbsr_decode_data(struct smb_request *sr, char *fmt, ...);
int	smbsr_encode_result(struct smb_request *, int, int, char *, ...);
smb_xa_t *smbsr_lookup_xa(smb_request_t *sr);
void	smbsr_send_reply(struct smb_request *);

void	smbsr_map_errno(int, smb_error_t *);
void	smbsr_set_error(smb_request_t *, smb_error_t *);
void	smbsr_errno(struct smb_request *, int);
void	smbsr_warn(struct smb_request *, DWORD, uint16_t, uint16_t);
void	smbsr_error(struct smb_request *, DWORD, uint16_t, uint16_t);

int	clock_get_milli_uptime(void);
int32_t	smb_dos_to_ux_time(int16_t, int16_t);
int32_t	smb_ux_to_dos_time(int32_t, int16_t *, int16_t *);

int	smb_mbc_vencodef(mbuf_chain_t *, char *, va_list);
int	smb_mbc_vdecodef(mbuf_chain_t *, char *, va_list);
int	smb_mbc_decodef(mbuf_chain_t *, char *, ...);
int	smb_mbc_encodef(mbuf_chain_t *, char *, ...);
int	smb_mbc_peek(mbuf_chain_t *, int, char *, ...);
int	smb_mbc_poke(mbuf_chain_t *, int, char *, ...);

void	smbsr_encode_header(struct smb_request *sr, int wct,
		    int bcc, char *fmt, ...);

int	smb_xlate_dialect_str_to_cd(char *);
char	*smb_xlate_com_cd_to_str(int);
char	*smb_xlate_dialect_cd_to_str(int);

int	smbd_fs_query(smb_request_t *, smb_fqi_t *, int);

int smb_lock_range_access(struct smb_request *, struct smb_node *,
    uint64_t, uint64_t, boolean_t);

uint32_t smb_decode_sd(struct smb_xa *, smb_sd_t *);

/*
 * Socket functions
 */
ksocket_t smb_socreate(int domain, int type, int protocol);
void smb_soshutdown(ksocket_t so);
void smb_sodestroy(ksocket_t so);
int smb_sorecv(ksocket_t so, void *msg, size_t len);
int smb_net_init(void);
void smb_net_fini(void);
void smb_net_txl_constructor(smb_txlst_t *);
void smb_net_txl_destructor(smb_txlst_t *);
smb_txreq_t *smb_net_txr_alloc(void);
void smb_net_txr_free(smb_txreq_t *);
int smb_net_txr_send(ksocket_t, smb_txlst_t *, smb_txreq_t *);

/*
 * SMB RPC interface
 */
int smb_opipe_open(smb_request_t *);
void smb_opipe_close(smb_ofile_t *);
smb_sdrc_t smb_opipe_transact(smb_request_t *, struct uio *);
int smb_opipe_read(smb_request_t *, struct uio *);
int smb_opipe_write(smb_request_t *, struct uio *);

void smb_opipe_door_init(void);
void smb_opipe_door_fini(void);
int smb_opipe_door_open(int);
void smb_opipe_door_close(void);
void smb_user_context_init(smb_user_t *, smb_opipe_context_t *);
void smb_user_list_free(smb_dr_ulist_t *);

/*
 * SMB server functions (file smb_server.c)
 */
int smb_server_svc_init(void);
int smb_server_svc_fini(void);
int smb_server_create(void);
int smb_server_delete(void);
int smb_server_configure(smb_kmod_cfg_t *cfg);
int smb_server_start(struct smb_io_start *);
int smb_server_nbt_listen(int);
int smb_server_tcp_listen(int);
int smb_server_nbt_receive(void);
int smb_server_tcp_receive(void);
uint32_t smb_server_get_user_count(void);
uint32_t smb_server_get_session_count(void);
int smb_server_dr_ulist_get(int, smb_dr_ulist_t *, int);
int smb_server_share_export(char *);
int smb_server_share_unexport(char *, char *);
int smb_server_set_gmtoff(int32_t goff);

void smb_server_reconnection_check(smb_server_t *, smb_session_t *);
void smb_server_get_cfg(smb_server_t *, smb_kmod_cfg_t *);

/*
 * SMB node functions (file smb_node.c)
 */
int smb_node_init(void);
void smb_node_fini(void);
struct smb_node *smb_node_lookup(struct smb_request *sr, struct open_param *op,
    cred_t *cr, vnode_t *vp, char *od_name, smb_node_t *dir_snode,
    smb_node_t *unnamed_node, smb_attr_t *attr);
struct smb_node *smb_stream_node_lookup(struct smb_request *sr, cred_t *cr,
    smb_node_t *fnode, vnode_t *xattrdirvp, vnode_t *vp, char *stream_name,
    smb_attr_t *ret_attr);
void smb_node_ref(smb_node_t *node);
void smb_node_release(smb_node_t *node);
int smb_node_assert(smb_node_t *node, const char *file, int line);
void smb_node_rename(smb_node_t *from_dir_snode, smb_node_t *ret_snode,
    smb_node_t *to_dir_snode, char *to_name);
int smb_node_root_init(vnode_t *, smb_server_t *, smb_node_t **);
void smb_node_add_lock(smb_node_t *node, smb_lock_t *lock);
void smb_node_destroy_lock(smb_node_t *node, smb_lock_t *lock);
void smb_node_destroy_lock_by_ofile(smb_node_t *node, smb_ofile_t *file);
void smb_node_start_crit(smb_node_t *, krw_t);
void smb_node_end_crit(smb_node_t *);
int smb_node_in_crit(smb_node_t *);
void smb_node_rdlock(smb_node_t *);
void smb_node_wrlock(smb_node_t *);
void smb_node_unlock(smb_node_t *);
uint32_t smb_node_get_ofile_count(smb_node_t *);
void smb_node_add_ofile(smb_node_t *, smb_ofile_t *);
void smb_node_rem_ofile(smb_node_t *, smb_ofile_t *);
void smb_node_inc_open_ofiles(smb_node_t *);
void smb_node_dec_open_ofiles(smb_node_t *);

uint32_t smb_node_open_check(smb_node_t *, cred_t *,
    uint32_t, uint32_t);
DWORD smb_node_rename_check(smb_node_t *);
DWORD smb_node_delete_check(smb_node_t *);

u_offset_t smb_node_get_size(smb_node_t *, smb_attr_t *);
void smb_node_set_time(struct smb_node *node, timestruc_t *crtime,
    timestruc_t *mtime, timestruc_t *atime,
    timestruc_t *ctime, unsigned int what);
timestruc_t *smb_node_get_crtime(struct smb_node *node);
timestruc_t *smb_node_get_atime(struct smb_node *node);
timestruc_t *smb_node_get_ctime(struct smb_node *node);
timestruc_t *smb_node_get_mtime(struct smb_node *node);
void smb_node_set_dosattr(struct smb_node *, uint32_t);
uint32_t smb_node_get_dosattr(struct smb_node *node);
int smb_node_set_delete_on_close(smb_node_t *, cred_t *);
void smb_node_reset_delete_on_close(smb_node_t *);

/*
 * Pathname functions
 */

int smb_pathname_reduce(struct smb_request *, cred_t *,
    const char *, smb_node_t *, smb_node_t *, smb_node_t **, char *);

int smb_pathname(struct smb_request *, char *, int, smb_node_t *,
    smb_node_t *, smb_node_t **, smb_node_t **, cred_t *);

/*
 * smb_vfs functions
 */

boolean_t smb_vfs_hold(smb_server_t *, vfs_t *);
void smb_vfs_rele(smb_server_t *, vfs_t *);
void smb_vfs_rele_all(smb_server_t *);
boolean_t smb_vfs_cmp(vfs_t *, vfs_t *);
boolean_t smb_vfs_is_readonly(vfs_t *);


/*
 * String manipulation function
 */
char *smb_kstrdup(const char *s, size_t n);

int smb_sync_fsattr(struct smb_request *sr, cred_t *cr,
    struct smb_node *node);

DWORD	smb_validate_dirname(char *path);


void smb_encode_stream_info(struct smb_request *sr, struct smb_xa *xa,
    smb_node_t *snode, smb_attr_t *attr);

/* NOTIFY CHANGE */
void smb_process_session_notify_change_queue(smb_session_t *, smb_tree_t *);
void smb_process_node_notify_change_queue(struct smb_node *);
void smb_reply_specific_cancel_request(struct smb_request *);

void smb_fem_fcn_install(smb_node_t *);
void smb_fem_fcn_uninstall(smb_node_t *);

/* FEM */

int smb_fem_init(void);
void smb_fem_fini(void);

int smb_try_grow(struct smb_request *sr, int64_t new_size);

/* functions from smb_memory_manager.c */

void	*smbsr_malloc(smb_malloc_list *, size_t);
void	*smbsr_realloc(void *, size_t);
void	smbsr_free_malloc_list(smb_malloc_list *);

unsigned short smb_worker_getnum();
void smb_preset_delete_on_close(struct smb_ofile *file);
void smb_commit_delete_on_close(struct smb_ofile *file);

boolean_t smb_is_stream_name(char *);
uint32_t smb_validate_stream_name(char *);
int smb_stream_parse_name(char *, char *, char *);

DWORD smb_trans2_set_information(struct smb_request *sr,
    smb_trans2_setinfo_t *info,
    smb_error_t *smberr);

/* SMB signing routines smb_signing.c */
void smb_sign_init(struct smb_request *req,
	smb_session_key_t *session_key, char *resp, int resp_len);

int smb_sign_check_request(struct smb_request *req);

int smb_sign_check_secondary(struct smb_request *req, unsigned int seqnum);

void smb_sign_reply(struct smb_request *req, struct mbuf_chain *reply);

boolean_t smb_sattr_check(uint16_t, uint16_t);

void smb_request_cancel(smb_request_t *);
void smb_request_wait(smb_request_t *);

/*
 * session functions (file smb_session.c)
 */
smb_session_t *smb_session_create(ksocket_t, uint16_t, smb_server_t *, int);
int smb_session_daemon(smb_session_list_t *);
void smb_session_reconnection_check(smb_session_list_t *, smb_session_t *);
void smb_session_timers(smb_session_list_t *);
void smb_session_delete(smb_session_t *session);
void smb_session_cancel_requests(smb_session_t *, smb_tree_t *,
    smb_request_t *);
void smb_session_config(smb_session_t *session);
void smb_session_disconnect_share(smb_session_list_t *, char *);
void smb_session_list_constructor(smb_session_list_t *);
void smb_session_list_destructor(smb_session_list_t *);
void smb_session_list_append(smb_session_list_t *, smb_session_t *);
void smb_session_list_delete_tail(smb_session_list_t *);
smb_session_t *smb_session_list_activate_head(smb_session_list_t *);
void smb_session_list_terminate(smb_session_list_t *, smb_session_t *);
void smb_session_list_signal(smb_session_list_t *);
smb_user_t *smb_session_dup_user(smb_session_t *, char *, char *);
void smb_session_correct_keep_alive_values(smb_session_list_t *, uint32_t);
void smb_session_oplock_break(smb_session_t *, smb_ofile_t *);
int smb_session_send(smb_session_t *, uint8_t type, mbuf_chain_t *);
int smb_session_xprt_gethdr(smb_session_t *, smb_xprt_t *);
boolean_t smb_session_oplocks_enable(smb_session_t *);

#define	SMB_SESSION_GET_ID(s)	((s)->s_kid)

smb_request_t *smb_request_alloc(smb_session_t *, int);
void smb_request_free(smb_request_t *);

/*
 * ofile functions (file smb_ofile.c)
 */
smb_ofile_t *smb_ofile_lookup_by_fid(smb_tree_t *, uint16_t);
smb_ofile_t *smb_ofile_open(smb_tree_t *, smb_node_t *, uint16_t,
    struct open_param *, uint16_t, uint32_t, smb_error_t *);
void smb_ofile_close(smb_ofile_t *, uint32_t);
uint32_t smb_ofile_access(smb_ofile_t *, cred_t *, uint32_t);
int smb_ofile_seek(smb_ofile_t *, ushort_t, int32_t, uint32_t *);
void smb_ofile_release(smb_ofile_t *);
void smb_ofile_close_all(smb_tree_t *);
void smb_ofile_close_all_by_pid(smb_tree_t *, uint16_t);
void smb_ofile_set_flags(smb_ofile_t *, uint32_t);
void smb_ofile_close_timestamp_update(smb_ofile_t *, uint32_t);
boolean_t smb_ofile_is_open(smb_ofile_t *);
uint32_t smb_ofile_open_check(smb_ofile_t *, cred_t *,
    uint32_t, uint32_t);
uint32_t smb_ofile_rename_check(smb_ofile_t *);
uint32_t smb_ofile_delete_check(smb_ofile_t *);
cred_t *smb_ofile_getcred(smb_ofile_t *);
void smb_ofile_set_oplock_granted(smb_ofile_t *);

#define	SMB_OFILE_GET_SESSION(of)	((of)->f_session)
#define	SMB_OFILE_GET_TREE(of)		((of)->f_tree)
#define	SMB_OFILE_GET_FID(of)		((of)->f_fid)
#define	SMB_OFILE_GET_NODE(of)		((of)->f_node)

#define	smb_ofile_granted_access(_of_)	((_of_)->f_granted_access)

/*
 * odir functions (file smb_odir.c)
 */
uint16_t smb_odir_open(smb_request_t *, char *, uint16_t);
uint16_t smb_odir_openat(smb_request_t *, smb_node_t *);
void smb_odir_close(smb_odir_t *);
boolean_t smb_odir_hold(smb_odir_t *);
void smb_odir_release(smb_odir_t *);

int smb_odir_read(smb_request_t *, smb_odir_t *,
    smb_odirent_t *, boolean_t *);
int smb_odir_read_fileinfo(smb_request_t *, smb_odir_t *,
    smb_fileinfo_t *, boolean_t *);
int smb_odir_read_streaminfo(smb_request_t *, smb_odir_t *,
    smb_streaminfo_t *, boolean_t *);

void smb_odir_save_cookie(smb_odir_t *, int, uint32_t cookie);
void smb_odir_resume_at(smb_odir_t *, smb_odir_resume_t *);

/*
 * SMB user functions (file smb_user.c)
 */
int smb_user_init(void);
void smb_user_fini(void);
smb_user_t *smb_user_login(smb_session_t *, cred_t *,
    char *, char *, uint32_t, uint32_t, uint32_t);
smb_user_t *smb_user_dup(smb_user_t *);
void smb_user_logoff(smb_user_t *);
void smb_user_logoff_all(smb_session_t *);
smb_user_t *smb_user_lookup_by_uid(smb_session_t *, uint16_t);
smb_user_t *smb_user_lookup_by_state(smb_session_t *, smb_user_t *);
smb_tree_t *smb_user_lookup_tree(smb_user_t *, uint16_t);
smb_tree_t *smb_user_lookup_share(smb_user_t *, const char *, smb_tree_t *);
smb_tree_t *smb_user_lookup_volume(smb_user_t *, const char *, smb_tree_t *);
boolean_t smb_user_is_admin(smb_user_t *);
void smb_user_close_pid(smb_user_t *, uint16_t);
void smb_user_disconnect_trees(smb_user_t *user);
void smb_user_disconnect_share(smb_user_t *, const char *);
void smb_user_release(smb_user_t *);
cred_t *smb_user_getcred(smb_user_t *);
cred_t *smb_user_getprivcred(smb_user_t *);

/*
 * SMB tree functions (file smb_tree.c)
 */
smb_tree_t *smb_tree_connect(smb_request_t *);
void smb_tree_disconnect(smb_tree_t *);
void smb_tree_close_pid(smb_tree_t *, uint16_t);
boolean_t smb_tree_has_feature(smb_tree_t *, uint_t);
boolean_t smb_tree_hold(smb_tree_t *);
void smb_tree_release(smb_tree_t *);
void smb_dr_ulist_free(smb_dr_ulist_t *ulist);
smb_odir_t *smb_tree_lookup_odir(smb_tree_t *, uint16_t);
#define	SMB_TREE_GET_TID(tree)		((tree)->t_tid)

/*
 * SMB user's credential functions
 */
cred_t *smb_cred_create(smb_token_t *, uint32_t *);
void smb_cred_rele(cred_t *cr);
int smb_cred_is_member(cred_t *cr, smb_sid_t *sid);
cred_t *smb_cred_create_privs(cred_t *, uint32_t);

smb_xa_t *smb_xa_create(smb_session_t *session, smb_request_t *sr,
    uint32_t total_parameter_count, uint32_t total_data_count,
    uint32_t max_parameter_count, uint32_t max_data_count,
    uint32_t max_setup_count, uint32_t setup_word_count);
void smb_xa_delete(smb_xa_t *xa);
smb_xa_t *smb_xa_hold(smb_xa_t *xa);
void smb_xa_rele(smb_session_t *session, smb_xa_t *xa);
int smb_xa_open(smb_xa_t *xa);
void smb_xa_close(smb_xa_t *xa);
int smb_xa_complete(smb_xa_t *xa);
smb_xa_t *smb_xa_find(smb_session_t *session, uint16_t pid, uint16_t mid);

struct mbuf *smb_mbuf_get(uchar_t *buf, int nbytes);
struct mbuf *smb_mbuf_allocate(struct uio *uio);
void smb_mbuf_trim(struct mbuf *mhead, int nbytes);

void smb_check_status(void);
int smb_handle_write_raw(smb_session_t *session, smb_request_t *sr);

void smb_reconnection_check(struct smb_session *session);

uint32_t nt_to_unix_time(uint64_t nt_time, timestruc_t *unix_time);
uint64_t unix_to_nt_time(timestruc_t *);

int netbios_name_isvalid(char *in, char *out);

size_t
unicodestooems(char *oemstring, const mts_wchar_t *unicodestring,
    size_t nbytes, unsigned int cpid);

size_t oemstounicodes(mts_wchar_t *unicodestring, const char *oemstring,
    size_t nwchars, unsigned int cpid);

int uioxfer(struct uio *src_uio, struct uio *dst_uio, int n);

int smb_match_name(ino64_t, char *, char *, boolean_t);
int token2buf(smb_token_t *token, char *buf);

/*
 * Pool ID function prototypes
 */
int	smb_idpool_constructor(smb_idpool_t *pool);
void	smb_idpool_destructor(smb_idpool_t  *pool);
int	smb_idpool_alloc(smb_idpool_t *pool, uint16_t *id);
void	smb_idpool_free(smb_idpool_t *pool, uint16_t id);

/*
 * SMB thread function prototypes
 */
void	smb_session_worker(void *arg);

/*
 * SMB locked list function prototypes
 */
void	smb_llist_constructor(smb_llist_t *, size_t, size_t);
void	smb_llist_destructor(smb_llist_t *);
void	smb_llist_insert_head(smb_llist_t *ll, void *obj);
void	smb_llist_insert_tail(smb_llist_t *ll, void *obj);
void	smb_llist_remove(smb_llist_t *ll, void *obj);
int	smb_llist_upgrade(smb_llist_t *ll);
uint32_t smb_llist_get_count(smb_llist_t *ll);
#define	smb_llist_enter(ll, mode)	rw_enter(&(ll)->ll_lock, mode)
#define	smb_llist_exit(ll)		rw_exit(&(ll)->ll_lock)
#define	smb_llist_head(ll)		list_head(&(ll)->ll_list)
#define	smb_llist_next(ll, obj)		list_next(&(ll)->ll_list, obj)
int	smb_account_connected(smb_user_t *user);

/*
 * SMB Synchronized list function prototypes
 */
void	smb_slist_constructor(smb_slist_t *, size_t, size_t);
void	smb_slist_destructor(smb_slist_t *);
void	smb_slist_insert_head(smb_slist_t *sl, void *obj);
void	smb_slist_insert_tail(smb_slist_t *sl, void *obj);
void	smb_slist_remove(smb_slist_t *sl, void *obj);
void	smb_slist_wait_for_empty(smb_slist_t *sl);
void	smb_slist_exit(smb_slist_t *sl);
uint32_t smb_slist_move_tail(list_t *lst, smb_slist_t *sl);
void    smb_slist_obj_move(smb_slist_t *dst, smb_slist_t *src, void *obj);
#define	smb_slist_enter(sl)		mutex_enter(&(sl)->sl_mutex)
#define	smb_slist_head(sl)		list_head(&(sl)->sl_list)
#define	smb_slist_next(sl, obj)		list_next(&(sl)->sl_list, obj)

void    smb_rwx_init(smb_rwx_t *rwx);
void    smb_rwx_destroy(smb_rwx_t *rwx);
#define	smb_rwx_rwenter(rwx, mode)	rw_enter(&(rwx)->rwx_lock, mode)
void    smb_rwx_rwexit(smb_rwx_t *rwx);
int	smb_rwx_rwwait(smb_rwx_t *rwx, clock_t timeout);
#define	smb_rwx_xenter(rwx)		mutex_enter(&(rwx)->rwx_mutex)
#define	smb_rwx_xexit(rwx)		mutex_exit(&(rwx)->rwx_mutex)
krw_t   smb_rwx_rwupgrade(smb_rwx_t *rwx);
void    smb_rwx_rwdowngrade(smb_rwx_t *rwx, krw_t mode);

void	smb_thread_init(smb_thread_t *, char *, smb_thread_ep_t, void *,
    smb_thread_aw_t, void *);
void	smb_thread_destroy(smb_thread_t *);
int	smb_thread_start(smb_thread_t *);
void	smb_thread_stop(smb_thread_t *);
void    smb_thread_signal(smb_thread_t *);
boolean_t smb_thread_continue(smb_thread_t *);
boolean_t smb_thread_continue_nowait(smb_thread_t *);
boolean_t smb_thread_continue_timedwait(smb_thread_t *, int /* seconds */);
void smb_thread_set_awaken(smb_thread_t *, smb_thread_aw_t, void *);

uint32_t smb_denymode_to_sharemode(uint32_t desired_access, char *fname);
uint32_t smb_ofun_to_crdisposition(uint16_t ofun);

/* 100's of ns between 1/1/1970 and 1/1/1601 */
#define	NT_TIME_BIAS	(134774LL * 24LL * 60LL * 60LL * 10000000LL)

void smb_sd_init(smb_sd_t *, uint8_t);
void smb_sd_term(smb_sd_t *);
uint32_t smb_sd_get_secinfo(smb_sd_t *);
uint32_t smb_sd_len(smb_sd_t *, uint32_t);
uint32_t smb_sd_tofs(smb_sd_t *, smb_fssd_t *);
uint32_t smb_sd_read(smb_request_t *, smb_sd_t *, uint32_t);
uint32_t smb_sd_write(smb_request_t *, smb_sd_t *, uint32_t);

void smb_fssd_init(smb_fssd_t *, uint32_t, uint32_t);
void smb_fssd_term(smb_fssd_t *);

void smb_acl_sort(smb_acl_t *);
void smb_acl_free(smb_acl_t *);
smb_acl_t *smb_acl_alloc(uint8_t, uint16_t, uint16_t);
smb_acl_t *smb_acl_from_zfs(acl_t *, uid_t, gid_t);
uint32_t smb_acl_to_zfs(smb_acl_t *, uint32_t, int, acl_t **);
uint16_t smb_acl_len(smb_acl_t *);
boolean_t smb_acl_isvalid(smb_acl_t *, int);

void smb_fsacl_free(acl_t *);
acl_t *smb_fsacl_alloc(int, int);
acl_t *smb_fsacl_inherit(acl_t *, int, int, uid_t);
acl_t *smb_fsacl_merge(acl_t *, acl_t *);
void smb_fsacl_split(acl_t *, acl_t **, acl_t **, int);
acl_t *smb_fsacl_from_vsa(vsecattr_t *, acl_type_t);
int smb_fsacl_to_vsa(acl_t *, vsecattr_t *, int *);

boolean_t smb_ace_is_generic(int);
boolean_t smb_ace_is_access(int);
boolean_t smb_ace_is_audit(int);

uint32_t smb_vss_ioctl_enumerate_snaps(smb_request_t *, smb_xa_t *);
int smb_vss_lookup_nodes(smb_request_t *, smb_node_t *, smb_node_t *,
    char *, smb_node_t **, smb_node_t **);
vnode_t *smb_lookuppathvptovp(smb_request_t *, char *, vnode_t *, vnode_t *);

void smb_panic(char *, const char *, int);
#pragma	does_not_return(smb_panic)
#define	SMB_PANIC()	smb_panic(__FILE__, __func__, __LINE__)

#ifdef	__cplusplus
}
#endif

#endif /* _SMB_KPROTO_H_ */