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Fix that several functions handle incorrect value of mapchars

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Cifs client has problem with reserved chars filename.

[BUG1] : several functions handle incorrect value of mapchars
-	cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+	cifs_remap(cifs_sb));

[BUG2] : forget to convert reserved chars when creating SymbolicLink.
-	CIFSUnixCreateSymLink() calls cifs_strtoUTF16
+	CIFSUnixCreateSymLink() calls cifsConvertToUTF16() with remap

[BUG3] : forget to convert reserved chars when getting SymbolicLink.
-	CIFSSMBUnixQuerySymLink() calls cifs_strtoUTF16
+	CIFSSMBUnixQuerySymLink() calls cifsConvertToUTF16() with remap

[BUG4] : /proc/mounts don't show "mapposix" when using mapposix mount option
+	    cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SFM_CHR)
+ 		seq_puts(s, ",mapposix");

Reported-by: t.wede@kw-reneg.de
Reported-by: Nakajima Akira <nakajima.akira@nttcom.co.jp>
Signed-off-by: Nakajima Akira <nakajima.akira@nttcom.co.jp>
Signed-off-by: Carl Schaefer <schaefer@trilug.org>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Nakajima Akira 2015-02-13 15:35:58 +09:00 committed by Steve French
parent f5d0684e84
commit bc8ebdc4f5
9 changed files with 25 additions and 23 deletions
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3
fs/cifs/cifs_dfs_ref.c
View File

@ -24,6 +24,7 @@
#include "cifsfs.h"
#include "dns_resolve.h"
#include "cifs_debug.h"
#include "cifs_unicode.h"
static LIST_HEAD(cifs_dfs_automount_list);
@ -312,7 +313,7 @@ static struct vfsmount *cifs_dfs_do_automount(struct dentry *mntpt)
xid = get_xid();
rc = get_dfs_path(xid, ses, full_path + 1, cifs_sb->local_nls,
&num_referrals, &referrals,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
cifs_remap(cifs_sb));
free_xid(xid);
cifs_put_tlink(tlink);

2
fs/cifs/cifsfs.c
View File

@ -469,6 +469,8 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
seq_puts(s, ",nouser_xattr");
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR)
seq_puts(s, ",mapchars");
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SFM_CHR)
seq_puts(s, ",mapposix");
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL)
seq_puts(s, ",sfu");
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)

4
fs/cifs/cifsproto.h
View File

@ -361,11 +361,11 @@ extern int CIFSUnixCreateHardLink(const unsigned int xid,
extern int CIFSUnixCreateSymLink(const unsigned int xid,
struct cifs_tcon *tcon,
const char *fromName, const char *toName,
const struct nls_table *nls_codepage);
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);
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);

21
fs/cifs/cifssmb.c
View File

@ -2784,7 +2784,7 @@ copyRetry:
int
CIFSUnixCreateSymLink(const unsigned int xid, struct cifs_tcon *tcon,
const char *fromName, const char *toName,
const struct nls_table *nls_codepage)
const struct nls_table *nls_codepage, int remap)
{
TRANSACTION2_SPI_REQ *pSMB = NULL;
TRANSACTION2_SPI_RSP *pSMBr = NULL;
@ -2804,9 +2804,9 @@ createSymLinkRetry:
if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
name_len =
cifs_strtoUTF16((__le16 *) pSMB->FileName, fromName,
/* find define for this maxpathcomponent */
PATH_MAX, nls_codepage);
cifsConvertToUTF16((__le16 *) pSMB->FileName, fromName,
/* find define for this maxpathcomponent */
PATH_MAX, nls_codepage, remap);
name_len++; /* trailing null */
name_len *= 2;
@ -2828,9 +2828,9 @@ createSymLinkRetry:
data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
name_len_target =
cifs_strtoUTF16((__le16 *) data_offset, toName, PATH_MAX
/* find define for this maxpathcomponent */
, nls_codepage);
cifsConvertToUTF16((__le16 *) data_offset, toName,
/* find define for this maxpathcomponent */
PATH_MAX, nls_codepage, remap);
name_len_target++; /* trailing null */
name_len_target *= 2;
} else { /* BB improve the check for buffer overruns BB */
@ -3034,7 +3034,7 @@ winCreateHardLinkRetry:
int
CIFSSMBUnixQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon,
const unsigned char *searchName, char **symlinkinfo,
const struct nls_table *nls_codepage)
const struct nls_table *nls_codepage, int remap)
{
/* SMB_QUERY_FILE_UNIX_LINK */
TRANSACTION2_QPI_REQ *pSMB = NULL;
@ -3055,8 +3055,9 @@ querySymLinkRetry:
if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
name_len =
cifs_strtoUTF16((__le16 *) pSMB->FileName, searchName,
PATH_MAX, nls_codepage);
cifsConvertToUTF16((__le16 *) pSMB->FileName,
searchName, PATH_MAX, nls_codepage,
remap);
name_len++; /* trailing null */
name_len *= 2;
} else { /* BB improve the check for buffer overruns BB */

3
fs/cifs/dir.c
View File

@ -620,8 +620,7 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode,
}
rc = CIFSSMBUnixSetPathInfo(xid, tcon, full_path, &args,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
cifs_remap(cifs_sb));
if (rc)
goto mknod_out;

3
fs/cifs/file.c
View File

@ -140,8 +140,7 @@ int cifs_posix_open(char *full_path, struct inode **pinode,
posix_flags = cifs_posix_convert_flags(f_flags);
rc = CIFSPOSIXCreate(xid, tcon, posix_flags, mode, pnetfid, presp_data,
poplock, full_path, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
cifs_remap(cifs_sb));
cifs_put_tlink(tlink);
if (rc)

6
fs/cifs/inode.c
View File

@ -373,8 +373,7 @@ int cifs_get_inode_info_unix(struct inode **pinode,
/* could have done a find first instead but this returns more info */
rc = CIFSSMBUnixQPathInfo(xid, tcon, full_path, &find_data,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
cifs_sb->local_nls, cifs_remap(cifs_sb));
cifs_put_tlink(tlink);
if (!rc) {
@ -2215,8 +2214,7 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs)
pTcon = tlink_tcon(tlink);
rc = CIFSSMBUnixSetPathInfo(xid, pTcon, full_path, args,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
cifs_remap(cifs_sb));
cifs_put_tlink(tlink);
}

3
fs/cifs/link.c
View File

@ -717,7 +717,8 @@ cifs_symlink(struct inode *inode, struct dentry *direntry, const char *symname)
rc = create_mf_symlink(xid, pTcon, cifs_sb, full_path, symname);
else if (pTcon->unix_ext)
rc = CIFSUnixCreateSymLink(xid, pTcon, full_path, symname,
cifs_sb->local_nls);
cifs_sb->local_nls,
cifs_remap(cifs_sb));
/* else
rc = CIFSCreateReparseSymLink(xid, pTcon, fromName, toName,
cifs_sb_target->local_nls); */

3
fs/cifs/smb1ops.c
View File

@ -960,7 +960,8 @@ cifs_query_symlink(const unsigned int xid, struct cifs_tcon *tcon,
/* Check for unix extensions */
if (cap_unix(tcon->ses)) {
rc = CIFSSMBUnixQuerySymLink(xid, tcon, full_path, target_path,
cifs_sb->local_nls);
cifs_sb->local_nls,
cifs_remap(cifs_sb));
if (rc == -EREMOTE)
rc = cifs_unix_dfs_readlink(xid, tcon, full_path,
target_path,