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[PATCH] cifs: character mapping of special characters (part 3 of 3)
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Signed-off-by: Steve French (sfrench@us.ibm.com)
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Steve French authored and Linus Torvalds committed Apr 29, 2005
1 parent 6c91d36 commit 737b758
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Showing 14 changed files with 337 additions and 332 deletions.
2 changes: 1 addition & 1 deletion fs/cifs/CHANGES
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ POSIX ACL capability bit. Fix packet signing when multiuser mounting with
different users from the same client to the same server. Fix oops in
cifs_close. Add mount option for remapping reserved characters in
filenames (also allow recognizing files with created by SFU which have any
of these seven reserved characters to be recognized).
of these seven reserved characters, except backslash, to be recognized).

Version 1.31
------------
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4 changes: 2 additions & 2 deletions fs/cifs/README
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Expand Up @@ -376,8 +376,8 @@ A partial list of the supported mount options follows:
attributes) to the server (default) e.g. via setfattr
and getfattr utilities.
nouser_xattr Do not allow getfattr/setfattr to get/set xattrs
mapchars Translate the seven reserved characters
*?<>|:\
mapchars Translate six of the seven reserved characters (not backslash)
*?<>|:
to the remap range (above 0xF000), which also
allows the CIFS client to recognize files created with
such characters by Windows's POSIX emulation. This can
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3 changes: 3 additions & 0 deletions fs/cifs/TODO
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Expand Up @@ -67,6 +67,9 @@ q) implement support for security and trusted categories of xattrs

r) Implement O_DIRECT flag on open (already supported on mount)

s) Allow remapping of last remaining character (\) to +0xF000 which
(this character is valid for POSIX but not for Windows)

KNOWN BUGS (updated April 3, 2005)
====================================
See http://bugzilla.samba.org - search on product "CifsVFS" for
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4 changes: 2 additions & 2 deletions fs/cifs/cifsfs.c
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Expand Up @@ -191,13 +191,13 @@ cifs_statfs(struct super_block *sb, struct kstatfs *buf)
#ifdef CONFIG_CIFS_EXPERIMENTAL
/* BB we could add a second check for a QFS Unix capability bit */
if (pTcon->ses->capabilities & CAP_UNIX)
rc = CIFSSMBQFSPosixInfo(xid, pTcon, buf, cifs_sb->local_nls);
rc = CIFSSMBQFSPosixInfo(xid, pTcon, buf);

/* Only need to call the old QFSInfo if failed
on newer one */
if(rc)
#endif /* CIFS_EXPERIMENTAL */
rc = CIFSSMBQFSInfo(xid, pTcon, buf, cifs_sb->local_nls);
rc = CIFSSMBQFSInfo(xid, pTcon, buf);

/*
int f_type;
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103 changes: 61 additions & 42 deletions fs/cifs/cifsproto.h
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Original file line number Diff line number Diff line change
Expand Up @@ -57,10 +57,11 @@ extern int decode_negTokenInit(unsigned char *security_blob, int length,
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 */
const struct cifsTconInfo *, int /* specifies length
of fixed section (word count) in two byte units */
);
extern struct oplock_q_entry * AllocOplockQEntry(struct inode *, u16, struct cifsTconInfo *);
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);
Expand Down Expand Up @@ -88,7 +89,7 @@ extern int CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,

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);
__u16 *searchHandle, struct cifs_search_info * psrch_inf, int map);

extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
__u16 searchHandle, struct cifs_search_info * psrch_inf);
Expand All @@ -99,42 +100,42 @@ extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
const unsigned char *searchName,
FILE_ALL_INFO * findData,
const struct nls_table *nls_codepage);
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);
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);
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);
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);
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,
const struct nls_table *nls_codepage);
struct kstatfs *FSData);
extern int CIFSSMBQFSAttributeInfo(const int xid,
struct cifsTconInfo *tcon,
const struct nls_table *nls_codepage);
extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifsTconInfo *tcon,
const struct nls_table *nls_codepage);
extern int CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon,
const struct nls_table *nls_codepage);
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, const struct nls_table *nls_codepage);
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);
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
Expand All @@ -143,36 +144,49 @@ extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
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);
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);
__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);
__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);
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);
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);
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);
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 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);
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);
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,
Expand All @@ -192,7 +206,7 @@ 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);
const struct nls_table *nls_codepage, int remap);
extern int CIFSSMBClose(const int xid, struct cifsTconInfo *tcon,
const int smb_file_id);

Expand All @@ -211,10 +225,13 @@ extern int CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
const char __user *buf,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);
const struct nls_table *nls_codepage,
int remap_special_chars);
#endif /* CONFIG_CIFS_EXPERIMENTAL */
extern int cifs_convertUCSpath(char *target, const __u16 *source, int maxlen,
const struct nls_table * codepage);
#endif /* CONFIG_CIFS_EXPERIMENTAL */
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,
Expand Down Expand Up @@ -243,29 +260,31 @@ extern int CIFSSMBCopy(int xid,
const char *fromName,
const __u16 target_tid,
const char *toName, const int flags,
const struct nls_table *nls_codepage);
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,
const struct nls_table *nls_codepage);
const int notify_subdirs,const __u16 netfid,
__u32 filter, 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);
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);
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);
const struct nls_table *nls_codepage, int remap_special_chars);
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);
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);
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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