mirror of https://gitee.com/openkylin/linux.git
384 lines
17 KiB
C
384 lines
17 KiB
C
/*
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* fs/cifs/cifsproto.h
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*
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* Copyright (c) International Business Machines Corp., 2002,2008
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* Author(s): Steve French (sfrench@us.ibm.com)
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _CIFSPROTO_H
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#define _CIFSPROTO_H
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#include <linux/nls.h>
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struct statfs;
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struct smb_vol;
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/*
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*****************************************************************
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* All Prototypes
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*****************************************************************
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*/
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extern struct smb_hdr *cifs_buf_get(void);
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extern void cifs_buf_release(void *);
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extern struct smb_hdr *cifs_small_buf_get(void);
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extern void cifs_small_buf_release(void *);
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extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *,
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unsigned int /* length */);
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extern unsigned int _GetXid(void);
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extern void _FreeXid(unsigned int);
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#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__func__, xid,current_fsuid()));
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#define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__func__,curr_xid,(int)rc));}
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extern char *build_path_from_dentry(struct dentry *);
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extern char *cifs_build_path_to_root(struct cifs_sb_info *cifs_sb);
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extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
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extern char *cifs_compose_mount_options(const char *sb_mountdata,
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const char *fullpath, const struct dfs_info3_param *ref,
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char **devname);
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/* extern void renew_parental_timestamps(struct dentry *direntry);*/
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extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
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struct smb_hdr * /* input */ ,
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struct smb_hdr * /* out */ ,
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int * /* bytes returned */ , const int long_op);
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extern int SendReceiveNoRsp(const unsigned int xid, struct cifsSesInfo *ses,
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struct smb_hdr *in_buf, int flags);
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extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
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struct kvec *, int /* nvec to send */,
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int * /* type of buf returned */ , const int flags);
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extern int SendReceiveBlockingLock(const unsigned int xid,
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struct cifsTconInfo *ptcon,
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struct smb_hdr *in_buf ,
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struct smb_hdr *out_buf,
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int *bytes_returned);
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extern int checkSMB(struct smb_hdr *smb, __u16 mid, unsigned int length);
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extern bool is_valid_oplock_break(struct smb_hdr *smb,
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struct TCP_Server_Info *);
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extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof);
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extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *);
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#ifdef CONFIG_CIFS_EXPERIMENTAL
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extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *);
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#endif
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extern unsigned int smbCalcSize(struct smb_hdr *ptr);
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extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
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extern int decode_negTokenInit(unsigned char *security_blob, int length,
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enum securityEnum *secType);
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extern int cifs_convert_address(char *src, void *dst);
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extern int map_smb_to_linux_error(struct smb_hdr *smb, int logErr);
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extern void header_assemble(struct smb_hdr *, char /* command */ ,
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const struct cifsTconInfo *, int /* length of
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fixed section (word count) in two byte units */);
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extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
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struct cifsSesInfo *ses,
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void **request_buf);
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extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
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const int stage,
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const struct nls_table *nls_cp);
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extern __u16 GetNextMid(struct TCP_Server_Info *server);
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extern struct oplock_q_entry *AllocOplockQEntry(struct inode *, u16,
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struct cifsTconInfo *);
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extern void DeleteOplockQEntry(struct oplock_q_entry *);
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extern void DeleteTconOplockQEntries(struct cifsTconInfo *);
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extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
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extern u64 cifs_UnixTimeToNT(struct timespec);
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extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
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int offset);
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extern int cifs_posix_open(char *full_path, struct inode **pinode,
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struct super_block *sb, int mode, int oflags,
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int *poplock, __u16 *pnetfid, int xid);
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extern void posix_fill_in_inode(struct inode *tmp_inode,
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FILE_UNIX_BASIC_INFO *pData, int isNewInode);
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extern struct inode *cifs_new_inode(struct super_block *sb, __u64 *inum);
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extern int cifs_get_inode_info(struct inode **pinode,
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const unsigned char *search_path,
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FILE_ALL_INFO *pfile_info,
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struct super_block *sb, int xid, const __u16 *pfid);
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extern int cifs_get_inode_info_unix(struct inode **pinode,
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const unsigned char *search_path,
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struct super_block *sb, int xid);
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extern void acl_to_uid_mode(struct cifs_sb_info *cifs_sb, struct inode *inode,
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const char *path, const __u16 *pfid);
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extern int mode_to_acl(struct inode *inode, const char *path, __u64);
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extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
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const char *);
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extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
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extern void cifs_dfs_release_automount_timer(void);
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void cifs_proc_init(void);
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void cifs_proc_clean(void);
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extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
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struct nls_table *nls_info);
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extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
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extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
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const char *tree, struct cifsTconInfo *tcon,
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const struct nls_table *);
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extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
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const char *searchName, const struct nls_table *nls_codepage,
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__u16 *searchHandle, struct cifs_search_info *psrch_inf,
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int map, const char dirsep);
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extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
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__u16 searchHandle, struct cifs_search_info *psrch_inf);
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extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
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const __u16 search_handle);
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extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
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const unsigned char *searchName,
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FILE_ALL_INFO *findData,
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int legacy /* whether to use old info level */,
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const struct nls_table *nls_codepage, int remap);
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extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
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const unsigned char *searchName,
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FILE_ALL_INFO *findData,
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const struct nls_table *nls_codepage, int remap);
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extern int CIFSSMBUnixQPathInfo(const int xid,
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struct cifsTconInfo *tcon,
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const unsigned char *searchName,
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FILE_UNIX_BASIC_INFO *pFindData,
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const struct nls_table *nls_codepage, int remap);
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extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
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const unsigned char *searchName,
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struct dfs_info3_param **target_nodes,
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unsigned int *number_of_nodes_in_array,
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const struct nls_table *nls_codepage, int remap);
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extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
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const char *old_path,
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const struct nls_table *nls_codepage,
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unsigned int *pnum_referrals,
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struct dfs_info3_param **preferrals,
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int remap);
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extern void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
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struct super_block *sb, struct smb_vol *vol);
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extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
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struct kstatfs *FSData);
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extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
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struct kstatfs *FSData);
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extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
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__u64 cap);
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extern int CIFSSMBQFSAttributeInfo(const int xid,
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struct cifsTconInfo *tcon);
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extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
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extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
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extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
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struct kstatfs *FSData);
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extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon,
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const char *fileName, const FILE_BASIC_INFO *data,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
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const FILE_BASIC_INFO *data, __u16 fid,
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__u32 pid_of_opener);
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extern int CIFSSMBSetFileDisposition(const int xid, struct cifsTconInfo *tcon,
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bool delete_file, __u16 fid, __u32 pid_of_opener);
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#if 0
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extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
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char *fileName, __u16 dos_attributes,
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const struct nls_table *nls_codepage);
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#endif /* possibly unneeded function */
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extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
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const char *fileName, __u64 size,
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bool setAllocationSizeFlag,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
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__u64 size, __u16 fileHandle, __u32 opener_pid,
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bool AllocSizeFlag);
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struct cifs_unix_set_info_args {
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__u64 ctime;
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__u64 atime;
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__u64 mtime;
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__u64 mode;
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__u64 uid;
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__u64 gid;
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dev_t device;
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};
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extern int CIFSSMBUnixSetInfo(const int xid, struct cifsTconInfo *pTcon,
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char *fileName,
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const struct cifs_unix_set_info_args *args,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
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const char *newName,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
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const char *name, const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSPOSIXDelFile(const int xid, struct cifsTconInfo *tcon,
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const char *name, __u16 type,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
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const char *name,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
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const char *fromName, const char *toName,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSSMBRenameOpenFile(const int xid, struct cifsTconInfo *pTcon,
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int netfid, const char *target_name,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSCreateHardLink(const int xid,
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struct cifsTconInfo *tcon,
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const char *fromName, const char *toName,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSUnixCreateHardLink(const int xid,
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struct cifsTconInfo *tcon,
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const char *fromName, const char *toName,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSUnixCreateSymLink(const int xid,
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struct cifsTconInfo *tcon,
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const char *fromName, const char *toName,
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const struct nls_table *nls_codepage);
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extern int CIFSSMBUnixQuerySymLink(const int xid,
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struct cifsTconInfo *tcon,
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const unsigned char *searchName, char **syminfo,
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const struct nls_table *nls_codepage);
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extern int CIFSSMBQueryReparseLinkInfo(const int xid,
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struct cifsTconInfo *tcon,
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const unsigned char *searchName,
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char *symlinkinfo, const int buflen, __u16 fid,
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const struct nls_table *nls_codepage);
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extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *tcon,
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const char *fileName, const int disposition,
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const int access_flags, const int omode,
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__u16 *netfid, int *pOplock, FILE_ALL_INFO *,
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const struct nls_table *nls_codepage, int remap);
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extern int SMBLegacyOpen(const int xid, struct cifsTconInfo *tcon,
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const char *fileName, const int disposition,
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const int access_flags, const int omode,
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__u16 *netfid, int *pOplock, FILE_ALL_INFO *,
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const struct nls_table *nls_codepage, int remap);
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extern int CIFSPOSIXCreate(const int xid, struct cifsTconInfo *tcon,
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u32 posix_flags, __u64 mode, __u16 *netfid,
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FILE_UNIX_BASIC_INFO *pRetData,
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__u32 *pOplock, const char *name,
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const struct nls_table *nls_codepage, int remap);
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extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
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const int smb_file_id);
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extern int CIFSSMBFlush(const int xid, struct cifsTconInfo *tcon,
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const int smb_file_id);
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extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
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const int netfid, unsigned int count,
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const __u64 lseek, unsigned int *nbytes, char **buf,
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int *return_buf_type);
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extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
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const int netfid, const unsigned int count,
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const __u64 lseek, unsigned int *nbytes,
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const char *buf, const char __user *ubuf,
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const int long_op);
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extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
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const int netfid, const unsigned int count,
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const __u64 offset, unsigned int *nbytes,
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struct kvec *iov, const int nvec, const int long_op);
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extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
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const unsigned char *searchName, __u64 *inode_number,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
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const struct nls_table *cp, int mapChars);
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extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
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const __u16 netfid, const __u64 len,
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const __u64 offset, const __u32 numUnlock,
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const __u32 numLock, const __u8 lockType,
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const bool waitFlag);
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extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
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const __u16 smb_file_id, const int get_flag,
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const __u64 len, struct file_lock *,
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const __u16 lock_type, const bool waitFlag);
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extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
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extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
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extern struct cifsSesInfo *sesInfoAlloc(void);
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extern void sesInfoFree(struct cifsSesInfo *);
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extern struct cifsTconInfo *tconInfoAlloc(void);
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extern void tconInfoFree(struct cifsTconInfo *);
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extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *);
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extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
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__u32 *);
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extern int cifs_verify_signature(struct smb_hdr *,
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const struct mac_key *mac_key,
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__u32 expected_sequence_number);
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extern int cifs_calculate_mac_key(struct mac_key *key, const char *rn,
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const char *pass);
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extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *,
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const struct nls_table *);
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extern void CalcNTLMv2_response(const struct cifsSesInfo *, char *);
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extern void setup_ntlmv2_rsp(struct cifsSesInfo *, char *,
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const struct nls_table *);
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#ifdef CONFIG_CIFS_WEAK_PW_HASH
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extern void calc_lanman_hash(const char *password, const char *cryptkey,
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bool encrypt, char *lnm_session_key);
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#endif /* CIFS_WEAK_PW_HASH */
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extern int CIFSSMBCopy(int xid,
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struct cifsTconInfo *source_tcon,
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const char *fromName,
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const __u16 target_tid,
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const char *toName, const int flags,
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const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
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const int notify_subdirs, const __u16 netfid,
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__u32 filter, struct file *file, int multishot,
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const struct nls_table *nls_codepage);
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extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
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const unsigned char *searchName, char *EAData,
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size_t bufsize, const struct nls_table *nls_codepage,
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int remap_special_chars);
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extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon,
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const unsigned char *searchName, const unsigned char *ea_name,
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unsigned char *ea_value, size_t buf_size,
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const struct nls_table *nls_codepage, int remap_special_chars);
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extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
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const char *fileName, const char *ea_name,
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const void *ea_value, const __u16 ea_value_len,
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const struct nls_table *nls_codepage, int remap_special_chars);
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extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
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__u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen);
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extern int CIFSSMBSetCIFSACL(const int, struct cifsTconInfo *, __u16,
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struct cifs_ntsd *, __u32);
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extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
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const unsigned char *searchName,
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char *acl_inf, const int buflen, const int acl_type,
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const struct nls_table *nls_codepage, int remap_special_chars);
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extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
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const unsigned char *fileName,
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const char *local_acl, const int buflen, const int acl_type,
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const struct nls_table *nls_codepage, int remap_special_chars);
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extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
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const int netfid, __u64 *pExtAttrBits, __u64 *pMask);
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#endif /* _CIFSPROTO_H */
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