[PATCH] cifs: Add new mount parm mapchars
For handling seven special characters that shells use for filenames.
This first parts implements conversions from Unicode.
Signed-off-by: Steve French
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 07838a5..4a33add 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -600,7 +600,14 @@
if(unicode) {
/* BB fixme - test with long names */
/* Note converted filename can be longer than in unicode */
- pqst->len = cifs_strfromUCS_le((char *)pqst->name,(wchar_t *)filename,len/2,nlt);
+#ifdef CONFIG_CIFS_EXPERIMENTAL
+ if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR)
+ pqst->len = cifs_convertUCSpath((char *)pqst->name,
+ (__le16 *)filename, len/2, nlt);
+ else
+#endif /* CIFS_EXPERIMENTAL */
+ pqst->len = cifs_strfromUCS_le((char *)pqst->name,
+ (wchar_t *)filename,len/2,nlt);
} else {
pqst->name = filename;
pqst->len = len;
@@ -829,7 +836,11 @@
end_of_smb = cifsFile->srch_inf.ntwrk_buf_start +
smbCalcSize((struct smb_hdr *)
cifsFile->srch_inf.ntwrk_buf_start);
- tmp_buf = kmalloc(NAME_MAX+1,GFP_KERNEL);
+ /* To be safe - for UCS to UTF-8 with strings loaded
+ with the rare long characters alloc more to account for
+ such multibyte target UTF-8 characters. cifs_unicode.c,
+ which actually does the conversion, has the same limit */
+ tmp_buf = kmalloc((2 * NAME_MAX) + 4, GFP_KERNEL);
for(i=0;(i<num_to_fill) && (rc == 0);i++) {
if(current_entry == NULL) {
/* evaluate whether this case is an error */