|  | /* | 
|  | *   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 */ |