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smb2proto.h
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smb2proto.h
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/*
* fs/cifs/smb2proto.h
*
* Copyright (c) International Business Machines Corp., 2002, 2011
* Etersoft, 2012
* Author(s): Steve French (sfrench@us.ibm.com)
* Pavel Shilovsky (pshilovsky@samba.org) 2012
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _SMB2PROTO_H
#define _SMB2PROTO_H
#include <linux/nls.h>
#include <linux/key-type.h>
struct statfs;
struct smb_rqst;
/*
*****************************************************************
* All Prototypes
*****************************************************************
*/
extern int map_smb2_to_linux_error(char *buf, bool log_err);
extern int smb2_check_message(char *buf, unsigned int length,
struct TCP_Server_Info *server);
extern unsigned int smb2_calc_size(void *buf, struct TCP_Server_Info *server);
extern char *smb2_get_data_area_len(int *off, int *len,
struct smb2_sync_hdr *shdr);
extern __le16 *cifs_convert_path_to_utf16(const char *from,
struct cifs_sb_info *cifs_sb);
extern int smb2_verify_signature(struct smb_rqst *, struct TCP_Server_Info *);
extern int smb2_check_receive(struct mid_q_entry *mid,
struct TCP_Server_Info *server, bool log_error);
extern struct mid_q_entry *smb2_setup_request(struct cifs_ses *ses,
struct TCP_Server_Info *,
struct smb_rqst *rqst);
extern struct mid_q_entry *smb2_setup_async_request(
struct TCP_Server_Info *server, struct smb_rqst *rqst);
extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server,
__u64 ses_id);
extern struct cifs_tcon *smb2_find_smb_tcon(struct TCP_Server_Info *server,
__u64 ses_id, __u32 tid);
extern int smb2_calc_signature(struct smb_rqst *rqst,
struct TCP_Server_Info *server,
bool allocate_crypto);
extern int smb3_calc_signature(struct smb_rqst *rqst,
struct TCP_Server_Info *server,
bool allocate_crypto);
extern void smb2_echo_request(struct work_struct *work);
extern __le32 smb2_get_lease_state(struct cifsInodeInfo *cinode);
extern bool smb2_is_valid_oplock_break(char *buffer,
struct TCP_Server_Info *srv);
extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server,
__u64 ses_id);
extern int smb3_handle_read_data(struct TCP_Server_Info *server,
struct mid_q_entry *mid);
extern int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon,
const char *path,
struct cifs_sb_info *cifs_sb,
struct cached_fid **cfid);
extern int open_cached_dir_by_dentry(struct cifs_tcon *tcon,
struct dentry *dentry,
struct cached_fid **cfid);
extern void close_cached_dir(struct cached_fid *cfid);
extern void close_cached_dir_lease(struct cached_fid *cfid);
extern void close_cached_dir_lease_locked(struct cached_fid *cfid);
extern void move_smb2_info_to_cifs(FILE_ALL_INFO *dst,
struct smb2_file_all_info *src);
extern int smb2_query_reparse_tag(const unsigned int xid, struct cifs_tcon *tcon,
struct cifs_sb_info *cifs_sb, const char *path,
__u32 *reparse_tag);
extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
struct cifs_sb_info *cifs_sb,
const char *full_path, FILE_ALL_INFO *data,
bool *adjust_tz, bool *symlink);
extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon,
const char *full_path, __u64 size,
struct cifs_sb_info *cifs_sb, bool set_alloc);
extern int smb2_set_file_info(struct inode *inode, const char *full_path,
FILE_BASIC_INFO *buf, const unsigned int xid);
extern int smb311_posix_mkdir(const unsigned int xid, struct inode *inode,
umode_t mode, struct cifs_tcon *tcon,
const char *full_path,
struct cifs_sb_info *cifs_sb);
extern int smb2_mkdir(const unsigned int xid, struct inode *inode,
umode_t mode, struct cifs_tcon *tcon,
const char *name, struct cifs_sb_info *cifs_sb);
extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path,
struct cifs_sb_info *cifs_sb,
struct cifs_tcon *tcon, const unsigned int xid);
extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
const char *name, struct cifs_sb_info *cifs_sb);
extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon,
const char *name, struct cifs_sb_info *cifs_sb);
extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
const char *from_name, const char *to_name,
struct cifs_sb_info *cifs_sb);
extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
const char *from_name, const char *to_name,
struct cifs_sb_info *cifs_sb);
extern int smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
struct cifs_sb_info *cifs_sb, const unsigned char *path,
char *pbuf, unsigned int *pbytes_written);
extern int smb3_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
struct cifs_sb_info *cifs_sb,
const unsigned char *path, char *pbuf,
unsigned int *pbytes_read);
extern int smb2_open_file(const unsigned int xid,
struct cifs_open_parms *oparms,
__u32 *oplock, FILE_ALL_INFO *buf);
extern int smb2_unlock_range(struct cifsFileInfo *cfile,
struct file_lock *flock, const unsigned int xid);
extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile);
extern void smb2_reconnect_server(struct work_struct *work);
extern int smb3_crypto_aead_allocate(struct TCP_Server_Info *server);
extern unsigned long smb_rqst_len(struct TCP_Server_Info *server,
struct smb_rqst *rqst);
extern void smb2_set_next_command(struct cifs_tcon *tcon,
struct smb_rqst *rqst);
extern void smb2_set_related(struct smb_rqst *rqst);
/*
* SMB2 Worker functions - most of protocol specific implementation details
* are contained within these calls.
*/
extern int SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses);
extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
const struct nls_table *nls_cp);
extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses);
extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses,
const char *tree, struct cifs_tcon *tcon,
const struct nls_table *);
extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon);
extern int SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms,
__le16 *path, __u8 *oplock,
struct smb2_file_all_info *buf,
struct create_posix_rsp *posix,
struct kvec *err_iov, int *resp_buftype);
extern int SMB2_open_init(struct cifs_tcon *tcon,
struct TCP_Server_Info *server,
struct smb_rqst *rqst,
__u8 *oplock, struct cifs_open_parms *oparms,
__le16 *path);
extern void SMB2_open_free(struct smb_rqst *rqst);
extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid, u32 opcode,
bool is_fsctl, char *in_data, u32 indatalen, u32 maxoutlen,
char **out_data, u32 *plen /* returned data len */);
extern int SMB2_ioctl_init(struct cifs_tcon *tcon,
struct TCP_Server_Info *server,
struct smb_rqst *rqst,
u64 persistent_fid, u64 volatile_fid, u32 opcode,
bool is_fsctl, char *in_data, u32 indatalen,
__u32 max_response_size);
extern void SMB2_ioctl_free(struct smb_rqst *rqst);
extern int SMB2_change_notify(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid, bool watch_tree,
u32 completion_filter);
extern int __SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid,
struct smb2_file_network_open_info *pbuf);
extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_file_id, u64 volatile_file_id);
extern int SMB2_close_init(struct cifs_tcon *tcon,
struct TCP_Server_Info *server,
struct smb_rqst *rqst,
u64 persistent_fid, u64 volatile_fid,
bool query_attrs);
extern void SMB2_close_free(struct smb_rqst *rqst);
extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_file_id, u64 volatile_file_id);
extern int SMB2_flush_init(const unsigned int xid, struct smb_rqst *rqst,
struct cifs_tcon *tcon,
struct TCP_Server_Info *server,
u64 persistent_file_id, u64 volatile_file_id);
extern void SMB2_flush_free(struct smb_rqst *rqst);
extern int SMB311_posix_query_info(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid, struct smb311_posix_qinfo *data, u32 *plen);
extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_file_id, u64 volatile_file_id,
struct smb2_file_all_info *data);
extern int SMB2_query_info_init(struct cifs_tcon *tcon,
struct TCP_Server_Info *server,
struct smb_rqst *rqst,
u64 persistent_fid, u64 volatile_fid,
u8 info_class, u8 info_type,
u32 additional_info, size_t output_len,
size_t input_len, void *input);
extern void SMB2_query_info_free(struct smb_rqst *rqst);
extern int SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_file_id, u64 volatile_file_id,
void **data, unsigned int *plen, u32 info);
extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid,
__le64 *uniqueid);
extern int smb2_async_readv(struct cifs_readdata *rdata);
extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
unsigned int *nbytes, char **buf, int *buf_type);
extern int smb2_async_writev(struct cifs_writedata *wdata,
void (*release)(struct kref *kref));
extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
unsigned int *nbytes, struct kvec *iov, int n_vec);
extern int SMB2_echo(struct TCP_Server_Info *server);
extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid, int index,
struct cifs_search_info *srch_inf);
extern int SMB2_query_directory_init(unsigned int xid, struct cifs_tcon *tcon,
struct TCP_Server_Info *server,
struct smb_rqst *rqst,
u64 persistent_fid, u64 volatile_fid,
int index, int info_level);
extern void SMB2_query_directory_free(struct smb_rqst *rqst);
extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid, u32 pid,
__le64 *eof);
extern int SMB2_set_info_init(struct cifs_tcon *tcon,
struct TCP_Server_Info *server,
struct smb_rqst *rqst,
u64 persistent_fid, u64 volatile_fid, u32 pid,
u8 info_class, u8 info_type, u32 additional_info,
void **data, unsigned int *size);
extern void SMB2_set_info_free(struct smb_rqst *rqst);
extern int SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid,
struct cifs_ntsd *pnntsd, int pacllen, int aclflag);
extern int SMB2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid,
struct smb2_file_full_ea_info *buf, int len);
extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid);
extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,
const u64 persistent_fid, const u64 volatile_fid,
const __u8 oplock_level);
extern int smb2_handle_cancelled_close(struct cifs_tcon *tcon,
__u64 persistent_fid,
__u64 volatile_fid);
extern int smb2_handle_cancelled_mid(struct mid_q_entry *mid, struct TCP_Server_Info *server);
void smb2_cancelled_close_fid(struct work_struct *work);
extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_file_id, u64 volatile_file_id,
struct kstatfs *FSData);
extern int SMB311_posix_qfs_info(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_file_id, u64 volatile_file_id,
struct kstatfs *FSData);
extern int SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_file_id, u64 volatile_file_id, int lvl);
extern int SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon,
const __u64 persist_fid, const __u64 volatile_fid,
const __u32 pid, const __u64 length, const __u64 offset,
const __u32 lockFlags, const bool wait);
extern int smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon,
const __u64 persist_fid, const __u64 volatile_fid,
const __u32 pid, const __u32 num_lock,
struct smb2_lock_element *buf);
extern int SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon,
__u8 *lease_key, const __le32 lease_state);
extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *);
extern enum securityEnum smb2_select_sectype(struct TCP_Server_Info *,
enum securityEnum);
extern void smb2_parse_contexts(struct TCP_Server_Info *server,
struct smb2_create_rsp *rsp,
unsigned int *epoch, char *lease_key,
__u8 *oplock, struct smb2_file_all_info *buf,
struct create_posix_rsp *posix);
extern int smb3_encryption_required(const struct cifs_tcon *tcon);
extern int smb2_validate_iov(unsigned int offset, unsigned int buffer_length,
struct kvec *iov, unsigned int min_buf_size);
extern int smb2_validate_and_copy_iov(unsigned int offset,
unsigned int buffer_length,
struct kvec *iov,
unsigned int minbufsize, char *data);
extern void smb2_copy_fs_info_to_kstatfs(
struct smb2_fs_full_size_info *pfs_inf,
struct kstatfs *kst);
extern int smb311_crypto_shash_allocate(struct TCP_Server_Info *server);
extern int smb311_update_preauth_hash(struct cifs_ses *ses,
struct kvec *iov, int nvec);
extern int smb2_query_info_compound(const unsigned int xid,
struct cifs_tcon *tcon,
__le16 *utf16_path, u32 desired_access,
u32 class, u32 type, u32 output_len,
struct kvec *rsp, int *buftype,
struct cifs_sb_info *cifs_sb);
/* query path info from the server using SMB311 POSIX extensions*/
extern int smb311_posix_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
struct cifs_sb_info *sb, const char *path, struct smb311_posix_qinfo *qinf,
bool *adjust_tx, bool *symlink);
int posix_info_parse(const void *beg, const void *end,
struct smb2_posix_info_parsed *out);
int posix_info_sid_size(const void *beg, const void *end);
#endif /* _SMB2PROTO_H */