| /* SPDX-License-Identifier: LGPL-2.1 */ |
| /* |
| * |
| * Copyright (c) International Business Machines Corp., 2002,2008 |
| * Author(s): Steve French (sfrench@us.ibm.com) |
| * |
| */ |
| #ifndef _CIFSPROTO_H |
| #define _CIFSPROTO_H |
| #include <linux/nls.h> |
| #include <linux/ctype.h> |
| #include "trace.h" |
| #ifdef CONFIG_CIFS_DFS_UPCALL |
| #include "dfs_cache.h" |
| #endif |
| |
| struct statfs; |
| struct smb_rqst; |
| struct smb3_fs_context; |
| |
| /* |
| ***************************************************************** |
| * All Prototypes |
| ***************************************************************** |
| */ |
| |
| extern struct smb_hdr *cifs_buf_get(void); |
| extern void cifs_buf_release(void *); |
| extern struct smb_hdr *cifs_small_buf_get(void); |
| extern void cifs_small_buf_release(void *); |
| extern void free_rsp_buf(int, void *); |
| extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *, |
| unsigned int /* length */); |
| extern unsigned int _get_xid(void); |
| extern void _free_xid(unsigned int); |
| #define get_xid() \ |
| ({ \ |
| unsigned int __xid = _get_xid(); \ |
| cifs_dbg(FYI, "VFS: in %s as Xid: %u with uid: %d\n", \ |
| __func__, __xid, \ |
| from_kuid(&init_user_ns, current_fsuid())); \ |
| trace_smb3_enter(__xid, __func__); \ |
| __xid; \ |
| }) |
| |
| #define free_xid(curr_xid) \ |
| do { \ |
| _free_xid(curr_xid); \ |
| cifs_dbg(FYI, "VFS: leaving %s (xid = %u) rc = %d\n", \ |
| __func__, curr_xid, (int)rc); \ |
| if (rc) \ |
| trace_smb3_exit_err(curr_xid, __func__, (int)rc); \ |
| else \ |
| trace_smb3_exit_done(curr_xid, __func__); \ |
| } while (0) |
| extern int init_cifs_idmap(void); |
| extern void exit_cifs_idmap(void); |
| extern int init_cifs_spnego(void); |
| extern void exit_cifs_spnego(void); |
| extern const char *build_path_from_dentry(struct dentry *, void *); |
| char *__build_path_from_dentry_optional_prefix(struct dentry *direntry, void *page, |
| const char *tree, int tree_len, |
| bool prefix); |
| extern char *build_path_from_dentry_optional_prefix(struct dentry *direntry, |
| void *page, bool prefix); |
| static inline void *alloc_dentry_path(void) |
| { |
| return __getname(); |
| } |
| |
| static inline void free_dentry_path(void *page) |
| { |
| if (page) |
| __putname(page); |
| } |
| |
| extern char *cifs_build_path_to_root(struct smb3_fs_context *ctx, |
| struct cifs_sb_info *cifs_sb, |
| struct cifs_tcon *tcon, |
| int add_treename); |
| extern char *build_wildcard_path_from_dentry(struct dentry *direntry); |
| char *cifs_build_devname(char *nodename, const char *prepath); |
| extern void delete_mid(struct mid_q_entry *mid); |
| extern void release_mid(struct mid_q_entry *mid); |
| extern void cifs_wake_up_task(struct mid_q_entry *mid); |
| extern int cifs_handle_standard(struct TCP_Server_Info *server, |
| struct mid_q_entry *mid); |
| extern char *smb3_fs_context_fullpath(const struct smb3_fs_context *ctx, |
| char dirsep); |
| extern int smb3_parse_devname(const char *devname, struct smb3_fs_context *ctx); |
| extern int smb3_parse_opt(const char *options, const char *key, char **val); |
| extern int cifs_ipaddr_cmp(struct sockaddr *srcaddr, struct sockaddr *rhs); |
| extern bool cifs_match_ipaddr(struct sockaddr *srcaddr, struct sockaddr *rhs); |
| extern int cifs_discard_remaining_data(struct TCP_Server_Info *server); |
| extern int cifs_call_async(struct TCP_Server_Info *server, |
| struct smb_rqst *rqst, |
| mid_receive_t *receive, mid_callback_t *callback, |
| mid_handle_t *handle, void *cbdata, const int flags, |
| const struct cifs_credits *exist_credits); |
| extern struct TCP_Server_Info *cifs_pick_channel(struct cifs_ses *ses); |
| extern int cifs_send_recv(const unsigned int xid, struct cifs_ses *ses, |
| struct TCP_Server_Info *server, |
| struct smb_rqst *rqst, int *resp_buf_type, |
| const int flags, struct kvec *resp_iov); |
| extern int compound_send_recv(const unsigned int xid, struct cifs_ses *ses, |
| struct TCP_Server_Info *server, |
| const int flags, const int num_rqst, |
| struct smb_rqst *rqst, int *resp_buf_type, |
| struct kvec *resp_iov); |
| extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *, |
| struct smb_hdr * /* input */ , |
| struct smb_hdr * /* out */ , |
| int * /* bytes returned */ , const int); |
| extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses, |
| char *in_buf, int flags); |
| extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *, |
| struct TCP_Server_Info *, |
| struct smb_rqst *); |
| extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *, |
| struct smb_rqst *); |
| extern int cifs_check_receive(struct mid_q_entry *mid, |
| struct TCP_Server_Info *server, bool log_error); |
| extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server, |
| unsigned int size, unsigned int *num, |
| struct cifs_credits *credits); |
| extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *, |
| struct kvec *, int /* nvec to send */, |
| int * /* type of buf returned */, const int flags, |
| struct kvec * /* resp vec */); |
| extern int SendReceiveBlockingLock(const unsigned int xid, |
| struct cifs_tcon *ptcon, |
| struct smb_hdr *in_buf, |
| struct smb_hdr *out_buf, |
| int *bytes_returned); |
| void |
| cifs_signal_cifsd_for_reconnect(struct TCP_Server_Info *server, |
| bool all_channels); |
| void |
| cifs_mark_tcp_ses_conns_for_reconnect(struct TCP_Server_Info *server, |
| bool mark_smb_session); |
| extern int cifs_reconnect(struct TCP_Server_Info *server, |
| bool mark_smb_session); |
| extern int checkSMB(char *buf, unsigned int len, struct TCP_Server_Info *srvr); |
| extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *); |
| extern bool backup_cred(struct cifs_sb_info *); |
| extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof); |
| extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset, |
| unsigned int bytes_written); |
| extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, int); |
| extern int cifs_get_writable_file(struct cifsInodeInfo *cifs_inode, |
| int flags, |
| struct cifsFileInfo **ret_file); |
| extern int cifs_get_writable_path(struct cifs_tcon *tcon, const char *name, |
| int flags, |
| struct cifsFileInfo **ret_file); |
| extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool); |
| extern int cifs_get_readable_path(struct cifs_tcon *tcon, const char *name, |
| struct cifsFileInfo **ret_file); |
| extern unsigned int smbCalcSize(void *buf); |
| extern int decode_negTokenInit(unsigned char *security_blob, int length, |
| struct TCP_Server_Info *server); |
| extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len); |
| extern void cifs_set_port(struct sockaddr *addr, const unsigned short int port); |
| extern int map_smb_to_linux_error(char *buf, bool logErr); |
| extern int map_and_check_smb_error(struct mid_q_entry *mid, bool logErr); |
| extern void header_assemble(struct smb_hdr *, char /* command */ , |
| const struct cifs_tcon *, int /* length of |
| fixed section (word count) in two byte units */); |
| extern int small_smb_init_no_tc(const int smb_cmd, const int wct, |
| struct cifs_ses *ses, |
| void **request_buf); |
| extern enum securityEnum select_sectype(struct TCP_Server_Info *server, |
| enum securityEnum requested); |
| extern int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses, |
| struct TCP_Server_Info *server, |
| const struct nls_table *nls_cp); |
| extern struct timespec64 cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601); |
| extern u64 cifs_UnixTimeToNT(struct timespec64); |
| extern struct timespec64 cnvrtDosUnixTm(__le16 le_date, __le16 le_time, |
| int offset); |
| extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock); |
| extern int cifs_get_writer(struct cifsInodeInfo *cinode); |
| extern void cifs_put_writer(struct cifsInodeInfo *cinode); |
| extern void cifs_done_oplock_break(struct cifsInodeInfo *cinode); |
| extern int cifs_unlock_range(struct cifsFileInfo *cfile, |
| struct file_lock *flock, const unsigned int xid); |
| extern int cifs_push_mandatory_locks(struct cifsFileInfo *cfile); |
| |
| extern void cifs_down_write(struct rw_semaphore *sem); |
| struct cifsFileInfo *cifs_new_fileinfo(struct cifs_fid *fid, struct file *file, |
| struct tcon_link *tlink, __u32 oplock, |
| const char *symlink_target); |
| extern int cifs_posix_open(const char *full_path, struct inode **inode, |
| struct super_block *sb, int mode, |
| unsigned int f_flags, __u32 *oplock, __u16 *netfid, |
| unsigned int xid); |
| void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr); |
| extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, |
| FILE_UNIX_BASIC_INFO *info, |
| struct cifs_sb_info *cifs_sb); |
| extern void cifs_dir_info_to_fattr(struct cifs_fattr *, FILE_DIRECTORY_INFO *, |
| struct cifs_sb_info *); |
| extern int cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr); |
| extern struct inode *cifs_iget(struct super_block *sb, |
| struct cifs_fattr *fattr); |
| |
| int cifs_get_inode_info(struct inode **inode, const char *full_path, |
| struct cifs_open_info_data *data, struct super_block *sb, int xid, |
| const struct cifs_fid *fid); |
| bool cifs_reparse_point_to_fattr(struct cifs_sb_info *cifs_sb, |
| struct cifs_fattr *fattr, |
| u32 tag); |
| extern int smb311_posix_get_inode_info(struct inode **pinode, const char *search_path, |
| struct super_block *sb, unsigned int xid); |
| extern int cifs_get_inode_info_unix(struct inode **pinode, |
| const unsigned char *search_path, |
| struct super_block *sb, unsigned int xid); |
| extern int cifs_set_file_info(struct inode *inode, struct iattr *attrs, |
| unsigned int xid, const char *full_path, __u32 dosattr); |
| extern int cifs_rename_pending_delete(const char *full_path, |
| struct dentry *dentry, |
| const unsigned int xid); |
| extern int sid_to_id(struct cifs_sb_info *cifs_sb, struct cifs_sid *psid, |
| struct cifs_fattr *fattr, uint sidtype); |
| extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, |
| struct cifs_fattr *fattr, struct inode *inode, |
| bool get_mode_from_special_sid, |
| const char *path, const struct cifs_fid *pfid); |
| extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 *pnmode, |
| kuid_t uid, kgid_t gid); |
| extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *, |
| const char *, u32 *, u32); |
| extern struct cifs_ntsd *get_cifs_acl_by_fid(struct cifs_sb_info *, |
| const struct cifs_fid *, u32 *, u32); |
| extern struct posix_acl *cifs_get_acl(struct mnt_idmap *idmap, |
| struct dentry *dentry, int type); |
| extern int cifs_set_acl(struct mnt_idmap *idmap, |
| struct dentry *dentry, struct posix_acl *acl, int type); |
| extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *, |
| const char *, int); |
| extern unsigned int setup_authusers_ACE(struct cifs_ace *pace); |
| extern unsigned int setup_special_mode_ACE(struct cifs_ace *pace, __u64 nmode); |
| extern unsigned int setup_special_user_owner_ACE(struct cifs_ace *pace); |
| |
| extern void dequeue_mid(struct mid_q_entry *mid, bool malformed); |
| extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf, |
| unsigned int to_read); |
| extern ssize_t cifs_discard_from_socket(struct TCP_Server_Info *server, |
| size_t to_read); |
| extern int cifs_read_page_from_socket(struct TCP_Server_Info *server, |
| struct page *page, |
| unsigned int page_offset, |
| unsigned int to_read); |
| int cifs_read_iter_from_socket(struct TCP_Server_Info *server, |
| struct iov_iter *iter, |
| unsigned int to_read); |
| extern int cifs_setup_cifs_sb(struct cifs_sb_info *cifs_sb); |
| void cifs_mount_put_conns(struct cifs_mount_ctx *mnt_ctx); |
| int cifs_mount_get_session(struct cifs_mount_ctx *mnt_ctx); |
| int cifs_is_path_remote(struct cifs_mount_ctx *mnt_ctx); |
| int cifs_mount_get_tcon(struct cifs_mount_ctx *mnt_ctx); |
| extern int cifs_match_super(struct super_block *, void *); |
| extern int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb3_fs_context *ctx); |
| extern void cifs_umount(struct cifs_sb_info *); |
| extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon); |
| extern void cifs_reopen_persistent_handles(struct cifs_tcon *tcon); |
| |
| extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset, |
| __u64 length, __u8 type, __u16 flags, |
| struct cifsLockInfo **conf_lock, |
| int rw_check); |
| extern void cifs_add_pending_open(struct cifs_fid *fid, |
| struct tcon_link *tlink, |
| struct cifs_pending_open *open); |
| extern void cifs_add_pending_open_locked(struct cifs_fid *fid, |
| struct tcon_link *tlink, |
| struct cifs_pending_open *open); |
| extern void cifs_del_pending_open(struct cifs_pending_open *open); |
| |
| extern bool cifs_is_deferred_close(struct cifsFileInfo *cfile, |
| struct cifs_deferred_close **dclose); |
| |
| extern void cifs_add_deferred_close(struct cifsFileInfo *cfile, |
| struct cifs_deferred_close *dclose); |
| |
| extern void cifs_del_deferred_close(struct cifsFileInfo *cfile); |
| |
| extern void cifs_close_deferred_file(struct cifsInodeInfo *cifs_inode); |
| |
| extern void cifs_close_all_deferred_files(struct cifs_tcon *cifs_tcon); |
| |
| extern void cifs_close_deferred_file_under_dentry(struct cifs_tcon *cifs_tcon, |
| const char *path); |
| extern struct TCP_Server_Info * |
| cifs_get_tcp_session(struct smb3_fs_context *ctx, |
| struct TCP_Server_Info *primary_server); |
| extern void cifs_put_tcp_session(struct TCP_Server_Info *server, |
| int from_reconnect); |
| extern void cifs_put_tcon(struct cifs_tcon *tcon); |
| |
| extern void cifs_release_automount_timer(void); |
| |
| void cifs_proc_init(void); |
| void cifs_proc_clean(void); |
| |
| extern void cifs_move_llist(struct list_head *source, struct list_head *dest); |
| extern void cifs_free_llist(struct list_head *llist); |
| extern void cifs_del_lock_waiters(struct cifsLockInfo *lock); |
| |
| extern int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, |
| const struct nls_table *nlsc); |
| |
| extern int cifs_negotiate_protocol(const unsigned int xid, |
| struct cifs_ses *ses, |
| struct TCP_Server_Info *server); |
| extern int cifs_setup_session(const unsigned int xid, struct cifs_ses *ses, |
| struct TCP_Server_Info *server, |
| struct nls_table *nls_info); |
| extern int cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required); |
| extern int CIFSSMBNegotiate(const unsigned int xid, |
| struct cifs_ses *ses, |
| struct TCP_Server_Info *server); |
| |
| extern int CIFSTCon(const unsigned int xid, struct cifs_ses *ses, |
| const char *tree, struct cifs_tcon *tcon, |
| const struct nls_table *); |
| |
| extern int CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon, |
| const char *searchName, struct cifs_sb_info *cifs_sb, |
| __u16 *searchHandle, __u16 search_flags, |
| struct cifs_search_info *psrch_inf, |
| bool msearch); |
| |
| extern int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon, |
| __u16 searchHandle, __u16 search_flags, |
| struct cifs_search_info *psrch_inf); |
| |
| extern int CIFSFindClose(const unsigned int xid, struct cifs_tcon *tcon, |
| const __u16 search_handle); |
| |
| extern int CIFSSMBQFileInfo(const unsigned int xid, struct cifs_tcon *tcon, |
| u16 netfid, FILE_ALL_INFO *pFindData); |
| extern int CIFSSMBQPathInfo(const unsigned int xid, struct cifs_tcon *tcon, |
| const char *search_Name, FILE_ALL_INFO *data, |
| int legacy /* whether to use old info level */, |
| const struct nls_table *nls_codepage, int remap); |
| extern int SMBQueryInformation(const unsigned int xid, struct cifs_tcon *tcon, |
| const char *search_name, FILE_ALL_INFO *data, |
| const struct nls_table *nls_codepage, int remap); |
| |
| extern int CIFSSMBUnixQFileInfo(const unsigned int xid, struct cifs_tcon *tcon, |
| u16 netfid, FILE_UNIX_BASIC_INFO *pFindData); |
| extern int CIFSSMBUnixQPathInfo(const unsigned int xid, |
| struct cifs_tcon *tcon, |
| const unsigned char *searchName, |
| FILE_UNIX_BASIC_INFO *pFindData, |
| const struct nls_table *nls_codepage, int remap); |
| |
| extern int CIFSGetDFSRefer(const unsigned int xid, struct cifs_ses *ses, |
| const char *search_name, |
| struct dfs_info3_param **target_nodes, |
| unsigned int *num_of_nodes, |
| const struct nls_table *nls_codepage, int remap); |
| |
| extern int parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size, |
| unsigned int *num_of_nodes, |
| struct dfs_info3_param **target_nodes, |
| const struct nls_table *nls_codepage, int remap, |
| const char *searchName, bool is_unicode); |
| extern void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon, |
| struct cifs_sb_info *cifs_sb, |
| struct smb3_fs_context *ctx); |
| extern int CIFSSMBQFSInfo(const unsigned int xid, struct cifs_tcon *tcon, |
| struct kstatfs *FSData); |
| extern int SMBOldQFSInfo(const unsigned int xid, struct cifs_tcon *tcon, |
| struct kstatfs *FSData); |
| extern int CIFSSMBSetFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon, |
| __u64 cap); |
| |
| extern int CIFSSMBQFSAttributeInfo(const unsigned int xid, |
| struct cifs_tcon *tcon); |
| extern int CIFSSMBQFSDeviceInfo(const unsigned int xid, struct cifs_tcon *tcon); |
| extern int CIFSSMBQFSUnixInfo(const unsigned int xid, struct cifs_tcon *tcon); |
| extern int CIFSSMBQFSPosixInfo(const unsigned int xid, struct cifs_tcon *tcon, |
| struct kstatfs *FSData); |
| |
| extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon, |
| const char *fileName, const FILE_BASIC_INFO *data, |
| const struct nls_table *nls_codepage, |
| struct cifs_sb_info *cifs_sb); |
| extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon, |
| const FILE_BASIC_INFO *data, __u16 fid, |
| __u32 pid_of_opener); |
| extern int CIFSSMBSetFileDisposition(const unsigned int xid, |
| struct cifs_tcon *tcon, |
| bool delete_file, __u16 fid, |
| __u32 pid_of_opener); |
| extern int CIFSSMBSetEOF(const unsigned int xid, struct cifs_tcon *tcon, |
| const char *file_name, __u64 size, |
| struct cifs_sb_info *cifs_sb, bool set_allocation); |
| extern int CIFSSMBSetFileSize(const unsigned int xid, struct cifs_tcon *tcon, |
| struct cifsFileInfo *cfile, __u64 size, |
| bool set_allocation); |
| |
| struct cifs_unix_set_info_args { |
| __u64 ctime; |
| __u64 atime; |
| __u64 mtime; |
| __u64 mode; |
| kuid_t uid; |
| kgid_t gid; |
| dev_t device; |
| }; |
| |
| extern int CIFSSMBUnixSetFileInfo(const unsigned int xid, |
| struct cifs_tcon *tcon, |
| const struct cifs_unix_set_info_args *args, |
| u16 fid, u32 pid_of_opener); |
| |
| extern int CIFSSMBUnixSetPathInfo(const unsigned int xid, |
| struct cifs_tcon *tcon, const char *file_name, |
| const struct cifs_unix_set_info_args *args, |
| const struct nls_table *nls_codepage, |
| int remap); |
| |
| extern int CIFSSMBMkDir(const unsigned int xid, struct inode *inode, |
| umode_t mode, struct cifs_tcon *tcon, |
| const char *name, struct cifs_sb_info *cifs_sb); |
| extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon, |
| const char *name, struct cifs_sb_info *cifs_sb); |
| extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon, |
| const char *name, __u16 type, |
| const struct nls_table *nls_codepage, |
| int remap_special_chars); |
| extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon, |
| const char *name, struct cifs_sb_info *cifs_sb); |
| extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon, |
| const char *from_name, const char *to_name, |
| struct cifs_sb_info *cifs_sb); |
| extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon, |
| int netfid, const char *target_name, |
| const struct nls_table *nls_codepage, |
| int remap_special_chars); |
| extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon, |
| const char *from_name, const char *to_name, |
| struct cifs_sb_info *cifs_sb); |
| extern int CIFSUnixCreateHardLink(const unsigned int xid, |
| struct cifs_tcon *tcon, |
| const char *fromName, const char *toName, |
| const struct nls_table *nls_codepage, |
| int remap_special_chars); |
| extern int CIFSUnixCreateSymLink(const unsigned int xid, |
| struct cifs_tcon *tcon, |
| const char *fromName, const char *toName, |
| const struct nls_table *nls_codepage, int remap); |
| extern int CIFSSMBUnixQuerySymLink(const unsigned int xid, |
| struct cifs_tcon *tcon, |
| const unsigned char *searchName, char **syminfo, |
| const struct nls_table *nls_codepage, int remap); |
| extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon, |
| __u16 fid, char **symlinkinfo, |
| const struct nls_table *nls_codepage); |
| extern int CIFSSMB_set_compression(const unsigned int xid, |
| struct cifs_tcon *tcon, __u16 fid); |
| extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms, |
| int *oplock, FILE_ALL_INFO *buf); |
| extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon, |
| const char *fileName, const int disposition, |
| const int access_flags, const int omode, |
| __u16 *netfid, int *pOplock, FILE_ALL_INFO *, |
| const struct nls_table *nls_codepage, int remap); |
| extern int CIFSPOSIXCreate(const unsigned int xid, struct cifs_tcon *tcon, |
| u32 posix_flags, __u64 mode, __u16 *netfid, |
| FILE_UNIX_BASIC_INFO *pRetData, |
| __u32 *pOplock, const char *name, |
| const struct nls_table *nls_codepage, int remap); |
| extern int CIFSSMBClose(const unsigned int xid, struct cifs_tcon *tcon, |
| const int smb_file_id); |
| |
| extern int CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon, |
| const int smb_file_id); |
| |
| extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms, |
| unsigned int *nbytes, char **buf, |
| int *return_buf_type); |
| extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, |
| unsigned int *nbytes, const char *buf); |
| extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms, |
| unsigned int *nbytes, struct kvec *iov, const int nvec); |
| extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon, |
| const char *search_name, __u64 *inode_number, |
| const struct nls_table *nls_codepage, |
| int remap); |
| |
| extern int cifs_lockv(const unsigned int xid, struct cifs_tcon *tcon, |
| const __u16 netfid, const __u8 lock_type, |
| const __u32 num_unlock, const __u32 num_lock, |
| LOCKING_ANDX_RANGE *buf); |
| extern int CIFSSMBLock(const unsigned int xid, struct cifs_tcon *tcon, |
| const __u16 netfid, const __u32 netpid, const __u64 len, |
| const __u64 offset, const __u32 numUnlock, |
| const __u32 numLock, const __u8 lockType, |
| const bool waitFlag, const __u8 oplock_level); |
| extern int CIFSSMBPosixLock(const unsigned int xid, struct cifs_tcon *tcon, |
| const __u16 smb_file_id, const __u32 netpid, |
| const loff_t start_offset, const __u64 len, |
| struct file_lock *, const __u16 lock_type, |
| const bool waitFlag); |
| extern int CIFSSMBTDis(const unsigned int xid, struct cifs_tcon *tcon); |
| extern int CIFSSMBEcho(struct TCP_Server_Info *server); |
| extern int CIFSSMBLogoff(const unsigned int xid, struct cifs_ses *ses); |
| |
| extern struct cifs_ses *sesInfoAlloc(void); |
| extern void sesInfoFree(struct cifs_ses *); |
| extern struct cifs_tcon *tcon_info_alloc(bool dir_leases_enabled); |
| extern void tconInfoFree(struct cifs_tcon *); |
| |
| extern int cifs_sign_rqst(struct smb_rqst *rqst, struct TCP_Server_Info *server, |
| __u32 *pexpected_response_sequence_number); |
| extern int cifs_sign_smbv(struct kvec *iov, int n_vec, struct TCP_Server_Info *, |
| __u32 *); |
| extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *); |
| extern int cifs_verify_signature(struct smb_rqst *rqst, |
| struct TCP_Server_Info *server, |
| __u32 expected_sequence_number); |
| extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *); |
| extern void cifs_crypto_secmech_release(struct TCP_Server_Info *server); |
| extern int calc_seckey(struct cifs_ses *); |
| extern int generate_smb30signingkey(struct cifs_ses *ses, |
| struct TCP_Server_Info *server); |
| extern int generate_smb311signingkey(struct cifs_ses *ses, |
| struct TCP_Server_Info *server); |
| |
| #ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY |
| extern int CIFSSMBCopy(unsigned int xid, |
| struct cifs_tcon *source_tcon, |
| const char *fromName, |
| const __u16 target_tid, |
| const char *toName, const int flags, |
| const struct nls_table *nls_codepage, |
| int remap_special_chars); |
| extern ssize_t CIFSSMBQAllEAs(const unsigned int xid, struct cifs_tcon *tcon, |
| const unsigned char *searchName, |
| const unsigned char *ea_name, char *EAData, |
| size_t bufsize, struct cifs_sb_info *cifs_sb); |
| extern int CIFSSMBSetEA(const unsigned int xid, struct cifs_tcon *tcon, |
| const char *fileName, const char *ea_name, |
| const void *ea_value, const __u16 ea_value_len, |
| const struct nls_table *nls_codepage, |
| struct cifs_sb_info *cifs_sb); |
| extern int CIFSSMBGetCIFSACL(const unsigned int xid, struct cifs_tcon *tcon, |
| __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen); |
| extern int CIFSSMBSetCIFSACL(const unsigned int, struct cifs_tcon *, __u16, |
| struct cifs_ntsd *, __u32, int); |
| extern int cifs_do_get_acl(const unsigned int xid, struct cifs_tcon *tcon, |
| const unsigned char *searchName, |
| struct posix_acl **acl, const int acl_type, |
| const struct nls_table *nls_codepage, int remap); |
| extern int cifs_do_set_acl(const unsigned int xid, struct cifs_tcon *tcon, |
| const unsigned char *fileName, |
| const struct posix_acl *acl, const int acl_type, |
| const struct nls_table *nls_codepage, int remap); |
| extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon, |
| const int netfid, __u64 *pExtAttrBits, __u64 *pMask); |
| #endif /* CIFS_ALLOW_INSECURE_LEGACY */ |
| extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb); |
| extern bool couldbe_mf_symlink(const struct cifs_fattr *fattr); |
| extern int check_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, |
| struct cifs_sb_info *cifs_sb, |
| struct cifs_fattr *fattr, |
| const unsigned char *path); |
| extern int E_md4hash(const unsigned char *passwd, unsigned char *p16, |
| const struct nls_table *codepage); |
| |
| extern struct TCP_Server_Info * |
| cifs_find_tcp_session(struct smb3_fs_context *ctx); |
| |
| void __cifs_put_smb_ses(struct cifs_ses *ses); |
| |
| extern struct cifs_ses * |
| cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx); |
| |
| void cifs_readdata_release(struct kref *refcount); |
| int cifs_async_readv(struct cifs_readdata *rdata); |
| int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid); |
| |
| int cifs_async_writev(struct cifs_writedata *wdata, |
| void (*release)(struct kref *kref)); |
| void cifs_writev_complete(struct work_struct *work); |
| struct cifs_writedata *cifs_writedata_alloc(work_func_t complete); |
| void cifs_writedata_release(struct kref *refcount); |
| int cifs_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); |
| int cifs_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); |
| int __cifs_calc_signature(struct smb_rqst *rqst, |
| struct TCP_Server_Info *server, char *signature, |
| struct shash_desc *shash); |
| enum securityEnum cifs_select_sectype(struct TCP_Server_Info *, |
| enum securityEnum); |
| struct cifs_aio_ctx *cifs_aio_ctx_alloc(void); |
| void cifs_aio_ctx_release(struct kref *refcount); |
| |
| int cifs_alloc_hash(const char *name, struct shash_desc **sdesc); |
| void cifs_free_hash(struct shash_desc **sdesc); |
| |
| struct cifs_chan * |
| cifs_ses_find_chan(struct cifs_ses *ses, struct TCP_Server_Info *server); |
| int cifs_try_adding_channels(struct cifs_sb_info *cifs_sb, struct cifs_ses *ses); |
| bool is_server_using_iface(struct TCP_Server_Info *server, |
| struct cifs_server_iface *iface); |
| bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface); |
| void cifs_ses_mark_for_reconnect(struct cifs_ses *ses); |
| |
| unsigned int |
| cifs_ses_get_chan_index(struct cifs_ses *ses, |
| struct TCP_Server_Info *server); |
| void |
| cifs_chan_set_in_reconnect(struct cifs_ses *ses, |
| struct TCP_Server_Info *server); |
| void |
| cifs_chan_clear_in_reconnect(struct cifs_ses *ses, |
| struct TCP_Server_Info *server); |
| bool |
| cifs_chan_in_reconnect(struct cifs_ses *ses, |
| struct TCP_Server_Info *server); |
| void |
| cifs_chan_set_need_reconnect(struct cifs_ses *ses, |
| struct TCP_Server_Info *server); |
| void |
| cifs_chan_clear_need_reconnect(struct cifs_ses *ses, |
| struct TCP_Server_Info *server); |
| bool |
| cifs_chan_needs_reconnect(struct cifs_ses *ses, |
| struct TCP_Server_Info *server); |
| bool |
| cifs_chan_is_iface_active(struct cifs_ses *ses, |
| struct TCP_Server_Info *server); |
| int |
| cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server); |
| int |
| SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon, bool in_mount); |
| |
| void extract_unc_hostname(const char *unc, const char **h, size_t *len); |
| int copy_path_name(char *dst, const char *src); |
| int smb2_parse_query_directory(struct cifs_tcon *tcon, struct kvec *rsp_iov, |
| int resp_buftype, |
| struct cifs_search_info *srch_inf); |
| |
| struct super_block *cifs_get_dfs_tcon_super(struct cifs_tcon *tcon); |
| void cifs_put_tcp_super(struct super_block *sb); |
| int cifs_update_super_prepath(struct cifs_sb_info *cifs_sb, char *prefix); |
| char *extract_hostname(const char *unc); |
| char *extract_sharename(const char *unc); |
| |
| #ifdef CONFIG_CIFS_DFS_UPCALL |
| static inline int get_dfs_path(const unsigned int xid, struct cifs_ses *ses, |
| const char *old_path, |
| const struct nls_table *nls_codepage, |
| struct dfs_info3_param *referral, int remap) |
| { |
| return dfs_cache_find(xid, ses, nls_codepage, remap, old_path, |
| referral, NULL); |
| } |
| |
| int match_target_ip(struct TCP_Server_Info *server, |
| const char *share, size_t share_len, |
| bool *result); |
| int cifs_inval_name_dfs_link_error(const unsigned int xid, |
| struct cifs_tcon *tcon, |
| struct cifs_sb_info *cifs_sb, |
| const char *full_path, |
| bool *islink); |
| #else |
| static inline int cifs_inval_name_dfs_link_error(const unsigned int xid, |
| struct cifs_tcon *tcon, |
| struct cifs_sb_info *cifs_sb, |
| const char *full_path, |
| bool *islink) |
| { |
| *islink = false; |
| return 0; |
| } |
| #endif |
| |
| static inline int cifs_create_options(struct cifs_sb_info *cifs_sb, int options) |
| { |
| if (cifs_sb && (backup_cred(cifs_sb))) |
| return options | CREATE_OPEN_BACKUP_INTENT; |
| else |
| return options; |
| } |
| |
| struct super_block *cifs_get_tcon_super(struct cifs_tcon *tcon); |
| void cifs_put_tcon_super(struct super_block *sb); |
| int cifs_wait_for_server_reconnect(struct TCP_Server_Info *server, bool retry); |
| |
| /* Put references of @ses and @ses->dfs_root_ses */ |
| static inline void cifs_put_smb_ses(struct cifs_ses *ses) |
| { |
| struct cifs_ses *rses = ses->dfs_root_ses; |
| |
| __cifs_put_smb_ses(ses); |
| if (rses) |
| __cifs_put_smb_ses(rses); |
| } |
| |
| /* Get an active reference of @ses and @ses->dfs_root_ses. |
| * |
| * NOTE: make sure to call this function when incrementing reference count of |
| * @ses to ensure that any DFS root session attached to it (@ses->dfs_root_ses) |
| * will also get its reference count incremented. |
| * |
| * cifs_put_smb_ses() will put both references, so call it when you're done. |
| */ |
| static inline void cifs_smb_ses_inc_refcount(struct cifs_ses *ses) |
| { |
| lockdep_assert_held(&cifs_tcp_ses_lock); |
| |
| ses->ses_count++; |
| if (ses->dfs_root_ses) |
| ses->dfs_root_ses->ses_count++; |
| } |
| |
| static inline bool dfs_src_pathname_equal(const char *s1, const char *s2) |
| { |
| if (strlen(s1) != strlen(s2)) |
| return false; |
| for (; *s1; s1++, s2++) { |
| if (*s1 == '/' || *s1 == '\\') { |
| if (*s2 != '/' && *s2 != '\\') |
| return false; |
| } else if (tolower(*s1) != tolower(*s2)) |
| return false; |
| } |
| return true; |
| } |
| |
| #endif /* _CIFSPROTO_H */ |
