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aha/fs/cifs/cifsproto.h
Steve French 5815449d1b [CIFS] SessionSetup cleanup part 2 
The cifs session setup code has three cases, and a fourth for backlevel
LANMAN2 style session setup needed to be added.  This new session setup
implmentation will eventually replace the other three and should be
easier to read while fixing a few minor problems (not setting
the LARGE READ/WRITEX flags when NTLMSSP was negotiated for example) and
adding support for NTLMv2 (which will be added with the next patch. In the
meantime, this code is marked in an CONFIG_CIFS_EXPERIMENTAL block and will
not be turned on by default until it is tested against more server types.

Signed-off-by: Steve French <sfrench@us.ibm.com>
2006-02-14 01:36:20 +00:00

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/*
* fs/cifs/cifsproto.h
*
* Copyright (c) International Business Machines Corp., 2002,2006
* Author(s): Steve French (sfrench@us.ibm.com)
*
* 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 _CIFSPROTO_H
#define _CIFSPROTO_H
#include <linux/nls.h>
struct statfs;
/*
*****************************************************************
* 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 int smb_send(struct socket *, struct smb_hdr *,
unsigned int /* length */ , struct sockaddr *);
extern unsigned int _GetXid(void);
extern void _FreeXid(unsigned int);
#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__FUNCTION__, xid,current->fsuid));
#define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__FUNCTION__,curr_xid,(int)rc));}
extern char *build_path_from_dentry(struct dentry *);
extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
extern void renew_parental_timestamps(struct dentry *direntry);
extern int SendReceive(const unsigned int /* xid */ , struct cifsSesInfo *,
struct smb_hdr * /* input */ ,
struct smb_hdr * /* out */ ,
int * /* bytes returned */ , const int long_op);
extern int SendReceive2(const unsigned int /* xid */ , struct cifsSesInfo *,
struct kvec *, int /* nvec to send */,
int * /* type of buf returned */ , const int long_op);
extern int checkSMBhdr(struct smb_hdr *smb, __u16 mid);
extern int checkSMB(struct smb_hdr *smb, __u16 mid, int length);
extern int is_valid_oplock_break(struct smb_hdr *smb);
extern int is_size_safe_to_change(struct cifsInodeInfo *);
extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *);
extern unsigned int smbCalcSize(struct smb_hdr *ptr);
extern unsigned int smbCalcSize_LE(struct smb_hdr *ptr);
extern int decode_negTokenInit(unsigned char *security_blob, int length,
enum securityEnum *secType);
extern int cifs_inet_pton(int, char * source, void *dst);
extern int map_smb_to_linux_error(struct smb_hdr *smb);
extern void header_assemble(struct smb_hdr *, char /* command */ ,
const struct cifsTconInfo *, int /* length of
fixed section (word count) in two byte units */);
#ifdef CONFIG_CIFS_EXPERIMENTAL
extern int small_smb_init_no_tc(const int smb_cmd, const int wct,
struct cifsSesInfo *ses,
void ** request_buf);
extern int CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses,
const int stage, int * pNTLMv2_flg,
const struct nls_table *nls_cp);
#endif
extern __u16 GetNextMid(struct TCP_Server_Info *server);
extern struct oplock_q_entry * AllocOplockQEntry(struct inode *, u16,
struct cifsTconInfo *);
extern void DeleteOplockQEntry(struct oplock_q_entry *);
extern struct timespec cifs_NTtimeToUnix(u64 /* utc nanoseconds since 1601 */ );
extern u64 cifs_UnixTimeToNT(struct timespec);
extern int cifs_get_inode_info(struct inode **pinode,
const unsigned char *search_path,
FILE_ALL_INFO * pfile_info,
struct super_block *sb, int xid);
extern int cifs_get_inode_info_unix(struct inode **pinode,
const unsigned char *search_path,
struct super_block *sb,int xid);
extern int cifs_mount(struct super_block *, struct cifs_sb_info *, char *,
const char *);
extern int cifs_umount(struct super_block *, struct cifs_sb_info *);
void cifs_proc_init(void);
void cifs_proc_clean(void);
extern int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
struct nls_table * nls_info);
extern int CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses);
extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
const char *tree, struct cifsTconInfo *tcon,
const struct nls_table *);
extern int CIFSFindFirst(const int xid, struct cifsTconInfo *tcon,
const char *searchName, const struct nls_table *nls_codepage,
__u16 *searchHandle, struct cifs_search_info * psrch_inf,
int map, const char dirsep);
extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
__u16 searchHandle, struct cifs_search_info * psrch_inf);
extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
const __u16 search_handle);
extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
const unsigned char *searchName,
FILE_ALL_INFO * findData,
const struct nls_table *nls_codepage, int remap);
extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
const unsigned char *searchName,
FILE_ALL_INFO * findData,
const struct nls_table *nls_codepage, int remap);
extern int CIFSSMBUnixQPathInfo(const int xid,
struct cifsTconInfo *tcon,
const unsigned char *searchName,
FILE_UNIX_BASIC_INFO * pFindData,
const struct nls_table *nls_codepage, int remap);
extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
const unsigned char *searchName,
unsigned char **targetUNCs,
unsigned int *number_of_UNC_in_array,
const struct nls_table *nls_codepage, int remap);
extern int connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
const char *old_path,
const struct nls_table *nls_codepage, int remap);
extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
const char *old_path,
const struct nls_table *nls_codepage,
unsigned int *pnum_referrals,
unsigned char ** preferrals,
int remap);
extern int CIFSSMBQFSInfo(const int xid, struct cifsTconInfo *tcon,
struct kstatfs *FSData);
extern int SMBOldQFSInfo(const int xid, struct cifsTconInfo *tcon,
struct kstatfs *FSData);
extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
__u64 cap);
extern int CIFSSMBQFSAttributeInfo(const int xid,
struct cifsTconInfo *tcon);
extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon);
extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon);
extern int CIFSSMBQFSPosixInfo(const int xid, struct cifsTconInfo *tcon,
struct kstatfs *FSData);
extern int CIFSSMBSetTimes(const int xid, struct cifsTconInfo *tcon,
const char *fileName, const FILE_BASIC_INFO * data,
const struct nls_table *nls_codepage,
int remap_special_chars);
extern int CIFSSMBSetFileTimes(const int xid, struct cifsTconInfo *tcon,
const FILE_BASIC_INFO * data, __u16 fid);
#if 0
extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
char *fileName, __u16 dos_attributes,
const struct nls_table *nls_codepage);
#endif /* possibly unneeded function */
extern int CIFSSMBSetEOF(const int xid, struct cifsTconInfo *tcon,
const char *fileName, __u64 size,
int setAllocationSizeFlag,
const struct nls_table *nls_codepage,
int remap_special_chars);
extern int CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon,
__u64 size, __u16 fileHandle,__u32 opener_pid,
int AllocSizeFlag);
extern int CIFSSMBUnixSetPerms(const int xid, struct cifsTconInfo *pTcon,
char *full_path, __u64 mode, __u64 uid,
__u64 gid, dev_t dev,
const struct nls_table *nls_codepage,
int remap_special_chars);
extern int CIFSSMBMkDir(const int xid, struct cifsTconInfo *tcon,
const char *newName,
const struct nls_table *nls_codepage,
int remap_special_chars);
extern int CIFSSMBRmDir(const int xid, struct cifsTconInfo *tcon,
const char *name, const struct nls_table *nls_codepage,
int remap_special_chars);
extern int CIFSSMBDelFile(const int xid, struct cifsTconInfo *tcon,
const char *name,
const struct nls_table *nls_codepage,
int remap_special_chars);
extern int CIFSSMBRename(const int xid, struct cifsTconInfo *tcon,
const char *fromName, const char *toName,
const struct nls_table *nls_codepage,
int remap_special_chars);
extern int CIFSSMBRenameOpenFile(const int xid,struct cifsTconInfo *pTcon,
int netfid, char * target_name,
const struct nls_table *nls_codepage,
int remap_special_chars);
extern int CIFSCreateHardLink(const int xid,
struct cifsTconInfo *tcon,
const char *fromName, const char *toName,
const struct nls_table *nls_codepage,
int remap_special_chars);
extern int CIFSUnixCreateHardLink(const int xid,
struct cifsTconInfo *tcon,
const char *fromName, const char *toName,
const struct nls_table *nls_codepage,
int remap_special_chars);
extern int CIFSUnixCreateSymLink(const int xid,
struct cifsTconInfo *tcon,
const char *fromName, const char *toName,
const struct nls_table *nls_codepage);
extern int CIFSSMBUnixQuerySymLink(const int xid,
struct cifsTconInfo *tcon,
const unsigned char *searchName,
char *syminfo, const int buflen,
const struct nls_table *nls_codepage);
extern int CIFSSMBQueryReparseLinkInfo(const int xid,
struct cifsTconInfo *tcon,
const unsigned char *searchName,
char *symlinkinfo, const int buflen, __u16 fid,
const struct nls_table *nls_codepage);
extern int CIFSSMBOpen(const int xid, struct cifsTconInfo *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 SMBLegacyOpen(const int xid, struct cifsTconInfo *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 CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
const int smb_file_id);
extern int CIFSSMBRead(const int xid, struct cifsTconInfo *tcon,
const int netfid, unsigned int count,
const __u64 lseek, unsigned int *nbytes, char **buf,
int * return_buf_type);
extern int CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
const int netfid, const unsigned int count,
const __u64 lseek, unsigned int *nbytes,
const char *buf, const char __user *ubuf,
const int long_op);
extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
const int netfid, const unsigned int count,
const __u64 offset, unsigned int *nbytes,
struct kvec *iov, const int nvec, const int long_op);
extern int CIFSGetSrvInodeNumber(const int xid, struct cifsTconInfo *tcon,
const unsigned char *searchName, __u64 * inode_number,
const struct nls_table *nls_codepage,
int remap_special_chars);
extern int cifs_convertUCSpath(char *target, const __le16 *source, int maxlen,
const struct nls_table * codepage);
extern int cifsConvertToUCS(__le16 * target, const char *source, int maxlen,
const struct nls_table * cp, int mapChars);
extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
const __u16 netfid, const __u64 len,
const __u64 offset, const __u32 numUnlock,
const __u32 numLock, const __u8 lockType,
const int waitFlag);
extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon);
extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses);
extern struct cifsSesInfo *sesInfoAlloc(void);
extern void sesInfoFree(struct cifsSesInfo *);
extern struct cifsTconInfo *tconInfoAlloc(void);
extern void tconInfoFree(struct cifsTconInfo *);
extern int cifs_reconnect(struct TCP_Server_Info *server);
extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *,__u32 *);
extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *,
__u32 *);
extern int cifs_verify_signature(struct smb_hdr *, const char * mac_key,
__u32 expected_sequence_number);
extern int cifs_calculate_mac_key(char * key,const char * rn,const char * pass);
extern int CalcNTLMv2_partial_mac_key(struct cifsSesInfo *, struct nls_table *);
extern void CalcNTLMv2_response(const struct cifsSesInfo *,char * );
extern int CIFSSMBCopy(int xid,
struct cifsTconInfo *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 int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
const int notify_subdirs,const __u16 netfid,
__u32 filter, struct file * file, int multishot,
const struct nls_table *nls_codepage);
extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
const unsigned char *searchName, char * EAData,
size_t bufsize, const struct nls_table *nls_codepage,
int remap_special_chars);
extern ssize_t CIFSSMBQueryEA(const int xid,struct cifsTconInfo * tcon,
const unsigned char * searchName,const unsigned char * ea_name,
unsigned char * ea_value, size_t buf_size,
const struct nls_table *nls_codepage, int remap_special_chars);
extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
const char *fileName, const char * ea_name,
const void * ea_value, const __u16 ea_value_len,
const struct nls_table *nls_codepage, int remap_special_chars);
extern int CIFSSMBGetCIFSACL(const int xid, struct cifsTconInfo *tcon,
__u16 fid, char *acl_inf, const int buflen,
const int acl_type /* ACCESS vs. DEFAULT */);
extern int CIFSSMBGetPosixACL(const int xid, struct cifsTconInfo *tcon,
const unsigned char *searchName,
char *acl_inf, const int buflen,const int acl_type,
const struct nls_table *nls_codepage, int remap_special_chars);
extern int CIFSSMBSetPosixACL(const int xid, struct cifsTconInfo *tcon,
const unsigned char *fileName,
const char *local_acl, const int buflen, const int acl_type,
const struct nls_table *nls_codepage, int remap_special_chars);
extern int CIFSGetExtAttr(const int xid, struct cifsTconInfo *tcon,
const int netfid, __u64 * pExtAttrBits, __u64 *pMask);
#endif /* _CIFSPROTO_H */
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