On Tue, Jan 17, 2012 at 1:31 PM, Pavel Shilovsky <piastry@xxxxxxxxxxx> wrote:
> to reflect the unicode encoding used by CIFS protocol.
>
> Signed-off-by: Pavel Shilovsky <piastry@xxxxxxxxxxx>
> ---
> fs/cifs/cifs_unicode.c | 41 ++++++------
> fs/cifs/cifs_unicode.h | 20 +++---
> fs/cifs/cifsencrypt.c | 12 ++--
> fs/cifs/cifssmb.c | 162 +++++++++++++++++++++++++-----------------------
> fs/cifs/connect.c | 4 +-
> fs/cifs/readdir.c | 9 ++-
> fs/cifs/sess.c | 34 +++++-----
> fs/cifs/smbencrypt.c | 2 +-
> 8 files changed, 146 insertions(+), 138 deletions(-)
>
> diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c
> index 1b2e180..fbb9da9 100644
> --- a/fs/cifs/cifs_unicode.c
> +++ b/fs/cifs/cifs_unicode.c
> @@ -27,17 +27,17 @@
> #include "cifs_debug.h"
>
> /*
> - * cifs_ucs2_bytes - how long will a string be after conversion?
> - * @ucs - pointer to input string
> + * cifs_utf16_bytes - how long will a string be after conversion?
> + * @utf16 - pointer to input string
> * @maxbytes - don't go past this many bytes of input string
> * @codepage - destination codepage
> *
> - * Walk a ucs2le string and return the number of bytes that the string will
> + * Walk a utf16le string and return the number of bytes that the string will
> * be after being converted to the given charset, not including any null
> * termination required. Don't walk past maxbytes in the source buffer.
> */
> int
> -cifs_ucs2_bytes(const __le16 *from, int maxbytes,
> +cifs_utf16_bytes(const __le16 *from, int maxbytes,
> const struct nls_table *codepage)
> {
> int i;
> @@ -122,7 +122,7 @@ cp_convert:
> }
>
> /*
> - * cifs_from_ucs2 - convert utf16le string to local charset
> + * cifs_from_utf16 - convert utf16le string to local charset
> * @to - destination buffer
> * @from - source buffer
> * @tolen - destination buffer size (in bytes)
> @@ -130,7 +130,7 @@ cp_convert:
> * @codepage - codepage to which characters should be converted
> * @mapchar - should characters be remapped according to the mapchars option?
> *
> - * Convert a little-endian ucs2le string (as sent by the server) to a string
> + * Convert a little-endian utf16le string (as sent by the server) to a string
> * in the provided codepage. The tolen and fromlen parameters are to ensure
> * that the code doesn't walk off of the end of the buffer (which is always
> * a danger if the alignment of the source buffer is off). The destination
> @@ -139,12 +139,12 @@ cp_convert:
> * null terminator).
> *
> * Note that some windows versions actually send multiword UTF-16 characters
> - * instead of straight UCS-2. The linux nls routines however aren't able to
> + * instead of straight UTF16-2. The linux nls routines however aren't able to
nitpicking, UTF16 instead of UTF16-2. Looks correct though.
Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@xxxxxxxxx>
> * deal with those characters properly. In the event that we get some of
> * those characters, they won't be translated properly.
> */
> int
> -cifs_from_ucs2(char *to, const __le16 *from, int tolen, int fromlen,
> +cifs_from_utf16(char *to, const __le16 *from, int tolen, int fromlen,
> const struct nls_table *codepage, bool mapchar)
> {
> int i, charlen, safelen;
> @@ -190,13 +190,13 @@ cifs_from_ucs2(char *to, const __le16 *from, int tolen, int fromlen,
> }
>
> /*
> - * NAME: cifs_strtoUCS()
> + * NAME: cifs_strtoUTF16()
> *
> * FUNCTION: Convert character string to unicode string
> *
> */
> int
> -cifs_strtoUCS(__le16 *to, const char *from, int len,
> +cifs_strtoUTF16(__le16 *to, const char *from, int len,
> const struct nls_table *codepage)
> {
> int charlen;
> @@ -206,7 +206,7 @@ cifs_strtoUCS(__le16 *to, const char *from, int len,
> for (i = 0; len && *from; i++, from += charlen, len -= charlen) {
> charlen = codepage->char2uni(from, len, &wchar_to);
> if (charlen < 1) {
> - cERROR(1, "strtoUCS: char2uni of 0x%x returned %d",
> + cERROR(1, "strtoUTF16: char2uni of 0x%x returned %d",
> *from, charlen);
> /* A question mark */
> wchar_to = 0x003f;
> @@ -220,7 +220,8 @@ cifs_strtoUCS(__le16 *to, const char *from, int len,
> }
>
> /*
> - * cifs_strndup_from_ucs - copy a string from wire format to the local codepage
> + * cifs_strndup_from_utf16 - copy a string from wire format to the local
> + * codepage
> * @src - source string
> * @maxlen - don't walk past this many bytes in the source string
> * @is_unicode - is this a unicode string?
> @@ -231,19 +232,19 @@ cifs_strtoUCS(__le16 *to, const char *from, int len,
> * error.
> */
> char *
> -cifs_strndup_from_ucs(const char *src, const int maxlen, const bool is_unicode,
> - const struct nls_table *codepage)
> +cifs_strndup_from_utf16(const char *src, const int maxlen,
> + const bool is_unicode, const struct nls_table *codepage)
> {
> int len;
> char *dst;
>
> if (is_unicode) {
> - len = cifs_ucs2_bytes((__le16 *) src, maxlen, codepage);
> + len = cifs_utf16_bytes((__le16 *) src, maxlen, codepage);
> len += nls_nullsize(codepage);
> dst = kmalloc(len, GFP_KERNEL);
> if (!dst)
> return NULL;
> - cifs_from_ucs2(dst, (__le16 *) src, len, maxlen, codepage,
> + cifs_from_utf16(dst, (__le16 *) src, len, maxlen, codepage,
> false);
> } else {
> len = strnlen(src, maxlen);
> @@ -264,7 +265,7 @@ cifs_strndup_from_ucs(const char *src, const int maxlen, const bool is_unicode,
> * names are little endian 16 bit Unicode on the wire
> */
> int
> -cifsConvertToUCS(__le16 *target, const char *source, int srclen,
> +cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
> const struct nls_table *cp, int mapChars)
> {
> int i, j, charlen;
> @@ -273,7 +274,7 @@ cifsConvertToUCS(__le16 *target, const char *source, int srclen,
> wchar_t tmp;
>
> if (!mapChars)
> - return cifs_strtoUCS(target, source, PATH_MAX, cp);
> + return cifs_strtoUTF16(target, source, PATH_MAX, cp);
>
> for (i = 0, j = 0; i < srclen; j++) {
> src_char = source[i];
> @@ -281,7 +282,7 @@ cifsConvertToUCS(__le16 *target, const char *source, int srclen,
> switch (src_char) {
> case 0:
> put_unaligned(0, &target[j]);
> - goto ctoUCS_out;
> + goto ctoUTF16_out;
> case ':':
> dst_char = cpu_to_le16(UNI_COLON);
> break;
> @@ -326,7 +327,7 @@ cifsConvertToUCS(__le16 *target, const char *source, int srclen,
> put_unaligned(dst_char, &target[j]);
> }
>
> -ctoUCS_out:
> +ctoUTF16_out:
> return i;
> }
>
> diff --git a/fs/cifs/cifs_unicode.h b/fs/cifs/cifs_unicode.h
> index 6d02fd5..a513a54 100644
> --- a/fs/cifs/cifs_unicode.h
> +++ b/fs/cifs/cifs_unicode.h
> @@ -74,16 +74,16 @@ extern const struct UniCaseRange CifsUniLowerRange[];
> #endif /* UNIUPR_NOLOWER */
>
> #ifdef __KERNEL__
> -int cifs_from_ucs2(char *to, const __le16 *from, int tolen, int fromlen,
> - const struct nls_table *codepage, bool mapchar);
> -int cifs_ucs2_bytes(const __le16 *from, int maxbytes,
> - const struct nls_table *codepage);
> -int cifs_strtoUCS(__le16 *, const char *, int, const struct nls_table *);
> -char *cifs_strndup_from_ucs(const char *src, const int maxlen,
> - const bool is_unicode,
> - const struct nls_table *codepage);
> -extern int cifsConvertToUCS(__le16 *target, const char *source, int maxlen,
> - const struct nls_table *cp, int mapChars);
> +int cifs_from_utf16(char *to, const __le16 *from, int tolen, int fromlen,
> + const struct nls_table *codepage, bool mapchar);
> +int cifs_utf16_bytes(const __le16 *from, int maxbytes,
> + const struct nls_table *codepage);
> +int cifs_strtoUTF16(__le16 *, const char *, int, const struct nls_table *);
> +char *cifs_strndup_from_utf16(const char *src, const int maxlen,
> + const bool is_unicode,
> + const struct nls_table *codepage);
> +extern int cifsConvertToUTF16(__le16 *target, const char *source, int maxlen,
> + const struct nls_table *cp, int mapChars);
>
> #endif
>
> diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
> index 5d9b9ac..f6ddd3d 100644
> --- a/fs/cifs/cifsencrypt.c
> +++ b/fs/cifs/cifsencrypt.c
> @@ -327,7 +327,7 @@ build_avpair_blob(struct cifs_ses *ses, const struct nls_table *nls_cp)
> attrptr->type = cpu_to_le16(NTLMSSP_AV_NB_DOMAIN_NAME);
> attrptr->length = cpu_to_le16(2 * dlen);
> blobptr = (unsigned char *)attrptr + sizeof(struct ntlmssp2_name);
> - cifs_strtoUCS((__le16 *)blobptr, ses->domainName, dlen, nls_cp);
> + cifs_strtoUTF16((__le16 *)blobptr, ses->domainName, dlen, nls_cp);
>
> return 0;
> }
> @@ -376,7 +376,7 @@ find_domain_name(struct cifs_ses *ses, const struct nls_table *nls_cp)
> kmalloc(attrsize + 1, GFP_KERNEL);
> if (!ses->domainName)
> return -ENOMEM;
> - cifs_from_ucs2(ses->domainName,
> + cifs_from_utf16(ses->domainName,
> (__le16 *)blobptr, attrsize, attrsize,
> nls_cp, false);
> break;
> @@ -427,7 +427,7 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash,
> rc = -ENOMEM;
> return rc;
> }
> - len = cifs_strtoUCS((__le16 *)user, ses->user_name, len, nls_cp);
> + len = cifs_strtoUTF16((__le16 *)user, ses->user_name, len, nls_cp);
> UniStrupr(user);
>
> rc = crypto_shash_update(&ses->server->secmech.sdeschmacmd5->shash,
> @@ -448,8 +448,8 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash,
> rc = -ENOMEM;
> return rc;
> }
> - len = cifs_strtoUCS((__le16 *)domain, ses->domainName, len,
> - nls_cp);
> + len = cifs_strtoUTF16((__le16 *)domain, ses->domainName, len,
> + nls_cp);
> rc =
> crypto_shash_update(&ses->server->secmech.sdeschmacmd5->shash,
> (char *)domain, 2 * len);
> @@ -468,7 +468,7 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash,
> rc = -ENOMEM;
> return rc;
> }
> - len = cifs_strtoUCS((__le16 *)server, ses->serverName, len,
> + len = cifs_strtoUTF16((__le16 *)server, ses->serverName, len,
> nls_cp);
> rc =
> crypto_shash_update(&ses->server->secmech.sdeschmacmd5->shash,
> diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
> index 6600aa2..8b7794c 100644
> --- a/fs/cifs/cifssmb.c
> +++ b/fs/cifs/cifssmb.c
> @@ -821,8 +821,8 @@ PsxDelete:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,
> - PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,
> + PATH_MAX, nls_codepage, remap);
> name_len++; /* trailing null */
> name_len *= 2;
> } else { /* BB add path length overrun check */
> @@ -893,8 +893,8 @@ DelFileRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->fileName, fileName,
> - PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) pSMB->fileName, fileName,
> + PATH_MAX, nls_codepage, remap);
> name_len++; /* trailing null */
> name_len *= 2;
> } else { /* BB improve check for buffer overruns BB */
> @@ -938,8 +938,8 @@ RmDirRetry:
> return rc;
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> - name_len = cifsConvertToUCS((__le16 *) pSMB->DirName, dirName,
> - PATH_MAX, nls_codepage, remap);
> + name_len = cifsConvertToUTF16((__le16 *) pSMB->DirName, dirName,
> + PATH_MAX, nls_codepage, remap);
> name_len++; /* trailing null */
> name_len *= 2;
> } else { /* BB improve check for buffer overruns BB */
> @@ -981,8 +981,8 @@ MkDirRetry:
> return rc;
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> - name_len = cifsConvertToUCS((__le16 *) pSMB->DirName, name,
> - PATH_MAX, nls_codepage, remap);
> + name_len = cifsConvertToUTF16((__le16 *) pSMB->DirName, name,
> + PATH_MAX, nls_codepage, remap);
> name_len++; /* trailing null */
> name_len *= 2;
> } else { /* BB improve check for buffer overruns BB */
> @@ -1030,8 +1030,8 @@ PsxCreat:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->FileName, name,
> - PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) pSMB->FileName, name,
> + PATH_MAX, nls_codepage, remap);
> name_len++; /* trailing null */
> name_len *= 2;
> } else { /* BB improve the check for buffer overruns BB */
> @@ -1197,8 +1197,8 @@ OldOpenRetry:
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> count = 1; /* account for one byte pad to word boundary */
> name_len =
> - cifsConvertToUCS((__le16 *) (pSMB->fileName + 1),
> - fileName, PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) (pSMB->fileName + 1),
> + fileName, PATH_MAX, nls_codepage, remap);
> name_len++; /* trailing null */
> name_len *= 2;
> } else { /* BB improve check for buffer overruns BB */
> @@ -1304,8 +1304,8 @@ openRetry:
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> count = 1; /* account for one byte pad to word boundary */
> name_len =
> - cifsConvertToUCS((__le16 *) (pSMB->fileName + 1),
> - fileName, PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) (pSMB->fileName + 1),
> + fileName, PATH_MAX, nls_codepage, remap);
> name_len++; /* trailing null */
> name_len *= 2;
> pSMB->NameLength = cpu_to_le16(name_len);
> @@ -2649,16 +2649,16 @@ renameRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->OldFileName, fromName,
> - PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) pSMB->OldFileName, fromName,
> + PATH_MAX, nls_codepage, remap);
> name_len++; /* trailing null */
> name_len *= 2;
> pSMB->OldFileName[name_len] = 0x04; /* pad */
> /* protocol requires ASCII signature byte on Unicode string */
> pSMB->OldFileName[name_len + 1] = 0x00;
> name_len2 =
> - cifsConvertToUCS((__le16 *)&pSMB->OldFileName[name_len + 2],
> - toName, PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *)&pSMB->OldFileName[name_len+2],
> + toName, PATH_MAX, nls_codepage, remap);
> name_len2 += 1 /* trailing null */ + 1 /* Signature word */ ;
> name_len2 *= 2; /* convert to bytes */
> } else { /* BB improve the check for buffer overruns BB */
> @@ -2738,10 +2738,12 @@ int CIFSSMBRenameOpenFile(const int xid, struct cifs_tcon *pTcon,
> /* unicode only call */
> if (target_name == NULL) {
> sprintf(dummy_string, "cifs%x", pSMB->hdr.Mid);
> - len_of_str = cifsConvertToUCS((__le16 *)rename_info->target_name,
> + len_of_str =
> + cifsConvertToUTF16((__le16 *)rename_info->target_name,
> dummy_string, 24, nls_codepage, remap);
> } else {
> - len_of_str = cifsConvertToUCS((__le16 *)rename_info->target_name,
> + len_of_str =
> + cifsConvertToUTF16((__le16 *)rename_info->target_name,
> target_name, PATH_MAX, nls_codepage,
> remap);
> }
> @@ -2795,17 +2797,17 @@ copyRetry:
> pSMB->Flags = cpu_to_le16(flags & COPY_TREE);
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> - name_len = cifsConvertToUCS((__le16 *) pSMB->OldFileName,
> - fromName, PATH_MAX, nls_codepage,
> - remap);
> + name_len = cifsConvertToUTF16((__le16 *) pSMB->OldFileName,
> + fromName, PATH_MAX, nls_codepage,
> + remap);
> name_len++; /* trailing null */
> name_len *= 2;
> pSMB->OldFileName[name_len] = 0x04; /* pad */
> /* protocol requires ASCII signature byte on Unicode string */
> pSMB->OldFileName[name_len + 1] = 0x00;
> name_len2 =
> - cifsConvertToUCS((__le16 *)&pSMB->OldFileName[name_len + 2],
> - toName, PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *)&pSMB->OldFileName[name_len+2],
> + toName, PATH_MAX, nls_codepage, remap);
> name_len2 += 1 /* trailing null */ + 1 /* Signature word */ ;
> name_len2 *= 2; /* convert to bytes */
> } else { /* BB improve the check for buffer overruns BB */
> @@ -2861,9 +2863,9 @@ createSymLinkRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifs_strtoUCS((__le16 *) pSMB->FileName, fromName, PATH_MAX
> - /* find define for this maxpathcomponent */
> - , nls_codepage);
> + cifs_strtoUTF16((__le16 *) pSMB->FileName, fromName,
> + /* find define for this maxpathcomponent */
> + PATH_MAX, nls_codepage);
> name_len++; /* trailing null */
> name_len *= 2;
>
> @@ -2885,9 +2887,9 @@ createSymLinkRetry:
> data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len_target =
> - cifs_strtoUCS((__le16 *) data_offset, toName, PATH_MAX
> - /* find define for this maxpathcomponent */
> - , nls_codepage);
> + cifs_strtoUTF16((__le16 *) data_offset, toName, PATH_MAX
> + /* find define for this maxpathcomponent */
> + , nls_codepage);
> name_len_target++; /* trailing null */
> name_len_target *= 2;
> } else { /* BB improve the check for buffer overruns BB */
> @@ -2949,8 +2951,8 @@ createHardLinkRetry:
> return rc;
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> - name_len = cifsConvertToUCS((__le16 *) pSMB->FileName, toName,
> - PATH_MAX, nls_codepage, remap);
> + name_len = cifsConvertToUTF16((__le16 *) pSMB->FileName, toName,
> + PATH_MAX, nls_codepage, remap);
> name_len++; /* trailing null */
> name_len *= 2;
>
> @@ -2972,8 +2974,8 @@ createHardLinkRetry:
> data_offset = (char *) (&pSMB->hdr.Protocol) + offset;
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len_target =
> - cifsConvertToUCS((__le16 *) data_offset, fromName, PATH_MAX,
> - nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) data_offset, fromName,
> + PATH_MAX, nls_codepage, remap);
> name_len_target++; /* trailing null */
> name_len_target *= 2;
> } else { /* BB improve the check for buffer overruns BB */
> @@ -3042,8 +3044,8 @@ winCreateHardLinkRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->OldFileName, fromName,
> - PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) pSMB->OldFileName, fromName,
> + PATH_MAX, nls_codepage, remap);
> name_len++; /* trailing null */
> name_len *= 2;
>
> @@ -3051,8 +3053,8 @@ winCreateHardLinkRetry:
> pSMB->OldFileName[name_len] = 0x04;
> pSMB->OldFileName[name_len + 1] = 0x00; /* pad */
> name_len2 =
> - cifsConvertToUCS((__le16 *)&pSMB->OldFileName[name_len + 2],
> - toName, PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *)&pSMB->OldFileName[name_len+2],
> + toName, PATH_MAX, nls_codepage, remap);
> name_len2 += 1 /* trailing null */ + 1 /* Signature word */ ;
> name_len2 *= 2; /* convert to bytes */
> } else { /* BB improve the check for buffer overruns BB */
> @@ -3108,8 +3110,8 @@ querySymLinkRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifs_strtoUCS((__le16 *) pSMB->FileName, searchName,
> - PATH_MAX, nls_codepage);
> + cifs_strtoUTF16((__le16 *) pSMB->FileName, searchName,
> + PATH_MAX, nls_codepage);
> name_len++; /* trailing null */
> name_len *= 2;
> } else { /* BB improve the check for buffer overruns BB */
> @@ -3166,8 +3168,8 @@ querySymLinkRetry:
> is_unicode = false;
>
> /* BB FIXME investigate remapping reserved chars here */
> - *symlinkinfo = cifs_strndup_from_ucs(data_start, count,
> - is_unicode, nls_codepage);
> + *symlinkinfo = cifs_strndup_from_utf16(data_start,
> + count, is_unicode, nls_codepage);
> if (!*symlinkinfo)
> rc = -ENOMEM;
> }
> @@ -3450,8 +3452,9 @@ queryAclRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,
> - PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) pSMB->FileName,
> + searchName, PATH_MAX, nls_codepage,
> + remap);
> name_len++; /* trailing null */
> name_len *= 2;
> pSMB->FileName[name_len] = 0;
> @@ -3537,8 +3540,8 @@ setAclRetry:
> return rc;
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,
> - PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,
> + PATH_MAX, nls_codepage, remap);
> name_len++; /* trailing null */
> name_len *= 2;
> } else { /* BB improve the check for buffer overruns BB */
> @@ -3948,8 +3951,9 @@ QInfRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,
> - PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) pSMB->FileName,
> + searchName, PATH_MAX, nls_codepage,
> + remap);
> name_len++; /* trailing null */
> name_len *= 2;
> } else {
> @@ -4086,8 +4090,8 @@ QPathInfoRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,
> - PATH_MAX, nls_codepage, remap);
> + 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 */
> @@ -4255,8 +4259,8 @@ UnixQPathInfoRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,
> - PATH_MAX, nls_codepage, remap);
> + 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 */
> @@ -4344,8 +4348,8 @@ findFirstRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,
> - PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) pSMB->FileName, searchName,
> + PATH_MAX, nls_codepage, remap);
> /* We can not add the asterik earlier in case
> it got remapped to 0xF03A as if it were part of the
> directory name instead of a wildcard */
> @@ -4656,8 +4660,9 @@ GetInodeNumberRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,
> - PATH_MAX, nls_codepage, remap);
> + 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 */
> @@ -4794,9 +4799,9 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
> rc = -ENOMEM;
> goto parse_DFS_referrals_exit;
> }
> - cifsConvertToUCS((__le16 *) tmp, searchName,
> - PATH_MAX, nls_codepage, remap);
> - node->path_consumed = cifs_ucs2_bytes(tmp,
> + cifsConvertToUTF16((__le16 *) tmp, searchName,
> + PATH_MAX, nls_codepage, remap);
> + node->path_consumed = cifs_utf16_bytes(tmp,
> le16_to_cpu(pSMBr->PathConsumed),
> nls_codepage);
> kfree(tmp);
> @@ -4809,8 +4814,8 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
> /* copy DfsPath */
> temp = (char *)ref + le16_to_cpu(ref->DfsPathOffset);
> max_len = data_end - temp;
> - node->path_name = cifs_strndup_from_ucs(temp, max_len,
> - is_unicode, nls_codepage);
> + node->path_name = cifs_strndup_from_utf16(temp, max_len,
> + is_unicode, nls_codepage);
> if (!node->path_name) {
> rc = -ENOMEM;
> goto parse_DFS_referrals_exit;
> @@ -4819,8 +4824,8 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
> /* copy link target UNC */
> temp = (char *)ref + le16_to_cpu(ref->NetworkAddressOffset);
> max_len = data_end - temp;
> - node->node_name = cifs_strndup_from_ucs(temp, max_len,
> - is_unicode, nls_codepage);
> + node->node_name = cifs_strndup_from_utf16(temp, max_len,
> + is_unicode, nls_codepage);
> if (!node->node_name)
> rc = -ENOMEM;
> }
> @@ -4873,8 +4878,9 @@ getDFSRetry:
> if (ses->capabilities & CAP_UNICODE) {
> pSMB->hdr.Flags2 |= SMBFLG2_UNICODE;
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->RequestFileName,
> - searchName, PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) pSMB->RequestFileName,
> + searchName, PATH_MAX, nls_codepage,
> + remap);
> name_len++; /* trailing null */
> name_len *= 2;
> } else { /* BB improve the check for buffer overruns BB */
> @@ -5506,8 +5512,8 @@ SetEOFRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,
> - PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,
> + PATH_MAX, nls_codepage, remap);
> name_len++; /* trailing null */
> name_len *= 2;
> } else { /* BB improve the check for buffer overruns BB */
> @@ -5796,8 +5802,8 @@ SetTimesRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,
> - PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,
> + PATH_MAX, nls_codepage, remap);
> name_len++; /* trailing null */
> name_len *= 2;
> } else { /* BB improve the check for buffer overruns BB */
> @@ -5877,8 +5883,8 @@ SetAttrLgcyRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - ConvertToUCS((__le16 *) pSMB->fileName, fileName,
> - PATH_MAX, nls_codepage);
> + ConvertToUTF16((__le16 *) pSMB->fileName, fileName,
> + PATH_MAX, nls_codepage);
> name_len++; /* trailing null */
> name_len *= 2;
> } else { /* BB improve the check for buffer overruns BB */
> @@ -6030,8 +6036,8 @@ setPermsRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,
> - PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,
> + PATH_MAX, nls_codepage, remap);
> name_len++; /* trailing null */
> name_len *= 2;
> } else { /* BB improve the check for buffer overruns BB */
> @@ -6123,8 +6129,8 @@ QAllEAsRetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> list_len =
> - cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,
> - PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) pSMB->FileName, searchName,
> + PATH_MAX, nls_codepage, remap);
> list_len++; /* trailing null */
> list_len *= 2;
> } else { /* BB improve the check for buffer overruns BB */
> @@ -6301,8 +6307,8 @@ SetEARetry:
>
> if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
> name_len =
> - cifsConvertToUCS((__le16 *) pSMB->FileName, fileName,
> - PATH_MAX, nls_codepage, remap);
> + cifsConvertToUTF16((__le16 *) pSMB->FileName, fileName,
> + PATH_MAX, nls_codepage, remap);
> name_len++; /* trailing null */
> name_len *= 2;
> } else { /* BB improve the check for buffer overruns BB */
> diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
> index f3670cf..2838195 100644
> --- a/fs/cifs/connect.c
> +++ b/fs/cifs/connect.c
> @@ -3478,7 +3478,7 @@ CIFSTCon(unsigned int xid, struct cifs_ses *ses,
> if (ses->capabilities & CAP_UNICODE) {
> smb_buffer->Flags2 |= SMBFLG2_UNICODE;
> length =
> - cifs_strtoUCS((__le16 *) bcc_ptr, tree,
> + cifs_strtoUTF16((__le16 *) bcc_ptr, tree,
> 6 /* max utf8 char length in bytes */ *
> (/* server len*/ + 256 /* share len */), nls_codepage);
> bcc_ptr += 2 * length; /* convert num 16 bit words to bytes */
> @@ -3533,7 +3533,7 @@ CIFSTCon(unsigned int xid, struct cifs_ses *ses,
>
> /* mostly informational -- no need to fail on error here */
> kfree(tcon->nativeFileSystem);
> - tcon->nativeFileSystem = cifs_strndup_from_ucs(bcc_ptr,
> + tcon->nativeFileSystem = cifs_strndup_from_utf16(bcc_ptr,
> bytes_left, is_unicode,
> nls_codepage);
>
> diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
> index a090bbe..e2bbc68 100644
> --- a/fs/cifs/readdir.c
> +++ b/fs/cifs/readdir.c
> @@ -647,10 +647,11 @@ static int cifs_filldir(char *find_entry, struct file *file, filldir_t filldir,
>
> name.name = scratch_buf;
> name.len =
> - cifs_from_ucs2((char *)name.name, (__le16 *)de.name,
> - UNICODE_NAME_MAX,
> - min(de.namelen, (size_t)max_len), nlt,
> - cifs_sb->mnt_cifs_flags &
> + cifs_from_utf16((char *)name.name, (__le16 *)de.name,
> + UNICODE_NAME_MAX,
> + min_t(size_t, de.namelen,
> + (size_t)max_len), nlt,
> + cifs_sb->mnt_cifs_flags &
> CIFS_MOUNT_MAP_SPECIAL_CHR);
> name.len -= nls_nullsize(nlt);
> } else {
> diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
> index 4ec3ee9..d85efad 100644
> --- a/fs/cifs/sess.c
> +++ b/fs/cifs/sess.c
> @@ -167,16 +167,16 @@ unicode_oslm_strings(char **pbcc_area, const struct nls_table *nls_cp)
> int bytes_ret = 0;
>
> /* Copy OS version */
> - bytes_ret = cifs_strtoUCS((__le16 *)bcc_ptr, "Linux version ", 32,
> - nls_cp);
> + bytes_ret = cifs_strtoUTF16((__le16 *)bcc_ptr, "Linux version ", 32,
> + nls_cp);
> bcc_ptr += 2 * bytes_ret;
> - bytes_ret = cifs_strtoUCS((__le16 *) bcc_ptr, init_utsname()->release,
> - 32, nls_cp);
> + bytes_ret = cifs_strtoUTF16((__le16 *) bcc_ptr, init_utsname()->release,
> + 32, nls_cp);
> bcc_ptr += 2 * bytes_ret;
> bcc_ptr += 2; /* trailing null */
>
> - bytes_ret = cifs_strtoUCS((__le16 *) bcc_ptr, CIFS_NETWORK_OPSYS,
> - 32, nls_cp);
> + bytes_ret = cifs_strtoUTF16((__le16 *) bcc_ptr, CIFS_NETWORK_OPSYS,
> + 32, nls_cp);
> bcc_ptr += 2 * bytes_ret;
> bcc_ptr += 2; /* trailing null */
>
> @@ -197,8 +197,8 @@ static void unicode_domain_string(char **pbcc_area, struct cifs_ses *ses,
> *(bcc_ptr+1) = 0;
> bytes_ret = 0;
> } else
> - bytes_ret = cifs_strtoUCS((__le16 *) bcc_ptr, ses->domainName,
> - 256, nls_cp);
> + bytes_ret = cifs_strtoUTF16((__le16 *) bcc_ptr, ses->domainName,
> + 256, nls_cp);
> bcc_ptr += 2 * bytes_ret;
> bcc_ptr += 2; /* account for null terminator */
>
> @@ -226,8 +226,8 @@ static void unicode_ssetup_strings(char **pbcc_area, struct cifs_ses *ses,
> *bcc_ptr = 0;
> *(bcc_ptr+1) = 0;
> } else {
> - bytes_ret = cifs_strtoUCS((__le16 *) bcc_ptr, ses->user_name,
> - MAX_USERNAME_SIZE, nls_cp);
> + bytes_ret = cifs_strtoUTF16((__le16 *) bcc_ptr, ses->user_name,
> + MAX_USERNAME_SIZE, nls_cp);
> }
> bcc_ptr += 2 * bytes_ret;
> bcc_ptr += 2; /* account for null termination */
> @@ -287,7 +287,7 @@ decode_unicode_ssetup(char **pbcc_area, int bleft, struct cifs_ses *ses,
> cFYI(1, "bleft %d", bleft);
>
> kfree(ses->serverOS);
> - ses->serverOS = cifs_strndup_from_ucs(data, bleft, true, nls_cp);
> + ses->serverOS = cifs_strndup_from_utf16(data, bleft, true, nls_cp);
> cFYI(1, "serverOS=%s", ses->serverOS);
> len = (UniStrnlen((wchar_t *) data, bleft / 2) * 2) + 2;
> data += len;
> @@ -296,7 +296,7 @@ decode_unicode_ssetup(char **pbcc_area, int bleft, struct cifs_ses *ses,
> return;
>
> kfree(ses->serverNOS);
> - ses->serverNOS = cifs_strndup_from_ucs(data, bleft, true, nls_cp);
> + ses->serverNOS = cifs_strndup_from_utf16(data, bleft, true, nls_cp);
> cFYI(1, "serverNOS=%s", ses->serverNOS);
> len = (UniStrnlen((wchar_t *) data, bleft / 2) * 2) + 2;
> data += len;
> @@ -305,7 +305,7 @@ decode_unicode_ssetup(char **pbcc_area, int bleft, struct cifs_ses *ses,
> return;
>
> kfree(ses->serverDomain);
> - ses->serverDomain = cifs_strndup_from_ucs(data, bleft, true, nls_cp);
> + ses->serverDomain = cifs_strndup_from_utf16(data, bleft, true, nls_cp);
> cFYI(1, "serverDomain=%s", ses->serverDomain);
>
> return;
> @@ -502,8 +502,8 @@ static int build_ntlmssp_auth_blob(unsigned char *pbuffer,
> tmp += 2;
> } else {
> int len;
> - len = cifs_strtoUCS((__le16 *)tmp, ses->domainName,
> - MAX_USERNAME_SIZE, nls_cp);
> + len = cifs_strtoUTF16((__le16 *)tmp, ses->domainName,
> + MAX_USERNAME_SIZE, nls_cp);
> len *= 2; /* unicode is 2 bytes each */
> sec_blob->DomainName.BufferOffset = cpu_to_le32(tmp - pbuffer);
> sec_blob->DomainName.Length = cpu_to_le16(len);
> @@ -518,8 +518,8 @@ static int build_ntlmssp_auth_blob(unsigned char *pbuffer,
> tmp += 2;
> } else {
> int len;
> - len = cifs_strtoUCS((__le16 *)tmp, ses->user_name,
> - MAX_USERNAME_SIZE, nls_cp);
> + len = cifs_strtoUTF16((__le16 *)tmp, ses->user_name,
> + MAX_USERNAME_SIZE, nls_cp);
> len *= 2; /* unicode is 2 bytes each */
> sec_blob->UserName.BufferOffset = cpu_to_le32(tmp - pbuffer);
> sec_blob->UserName.Length = cpu_to_le16(len);
> diff --git a/fs/cifs/smbencrypt.c b/fs/cifs/smbencrypt.c
> index 80d8508..d5cd9aa 100644
> --- a/fs/cifs/smbencrypt.c
> +++ b/fs/cifs/smbencrypt.c
> @@ -213,7 +213,7 @@ E_md4hash(const unsigned char *passwd, unsigned char *p16,
>
> /* Password cannot be longer than 128 characters */
> if (passwd) /* Password must be converted to NT unicode */
> - len = cifs_strtoUCS(wpwd, passwd, 128, codepage);
> + len = cifs_strtoUTF16(wpwd, passwd, 128, codepage);
> else {
> len = 0;
> *wpwd = 0; /* Ensure string is null terminated */
> --
> 1.7.1
>
> --
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