diff --git a/fs/nls/Kconfig b/fs/nls/Kconfig
index c7857e36adbb027af58db9cfdb277231aff03eed..a0d0e2f7ec83465df4792ff71a99ab8798857324 100644
--- a/fs/nls/Kconfig
+++ b/fs/nls/Kconfig
@@ -617,4 +617,12 @@ config NLS_UTF8
input/output character sets. Say Y here for the UTF-8 encoding of
the Unicode/ISO9646 universal character set.
+config NLS_UCS2_UTILS
+ tristate "NLS UCS-2 UTILS"
+ help
+ Set of older UCS-2 conversion utilities and tables used by some
+ filesystems including SMB/CIFS. This includes upper case conversion
+ tables. This will automatically be selected when the filesystem
+ that uses it is selected.
+
endif # NLS
diff --git a/fs/nls/Makefile b/fs/nls/Makefile
index ac54db29712831d39c26d197b2c246a422ce49dc..5062c699d041105498d4d3b6884004097c4d05f0 100644
--- a/fs/nls/Makefile
+++ b/fs/nls/Makefile
@@ -54,3 +54,4 @@ obj-$(CONFIG_NLS_MAC_INUIT) += mac-inuit.o
obj-$(CONFIG_NLS_MAC_ROMANIAN) += mac-romanian.o
obj-$(CONFIG_NLS_MAC_ROMAN) += mac-roman.o
obj-$(CONFIG_NLS_MAC_TURKISH) += mac-turkish.o
+obj-$(CONFIG_NLS_UCS2_UTILS) += nls_ucs2_utils.o
diff --git a/fs/smb/server/uniupr.h b/fs/nls/nls_ucs2_utils.c
similarity index 91%
rename from fs/smb/server/uniupr.h
rename to fs/nls/nls_ucs2_utils.c
index d09c585f20c9b2547675ce6202b61634322eb5b1..a69781c54dd811af7c158f4d3fbf599eb7118f3f 100644
--- a/fs/smb/server/uniupr.h
+++ b/fs/nls/nls_ucs2_utils.c
@@ -1,19 +1,27 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Some of the source code in this file came from fs/cifs/uniupr.h
* Copyright (c) International Business Machines Corp., 2000,2002
*
- * uniupr.h - Unicode compressed case ranges
+ * Some of the source code in this file came from fs/cifs/cifs_unicode.c
+ *
+ * Copyright (c) International Business Machines Corp., 2000,2009
+ * Modified by Steve French (sfrench@us.ibm.com)
+ * Modified by Namjae Jeon (linkinjeon@kernel.org)
*
*/
-#ifndef __KSMBD_UNIUPR_H
-#define __KSMBD_UNIUPR_H
+#include <linux/fs.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <asm/unaligned.h>
+#include "nls_ucs2_utils.h"
+
+MODULE_LICENSE("GPL");
-#ifndef UNIUPR_NOUPPER
/*
* Latin upper case
*/
-signed char SmbUniUpperTable[512] = {
+signed char NlsUniUpperTable[512] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 000-00f */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 010-01f */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 020-02f */
@@ -51,6 +59,7 @@ signed char SmbUniUpperTable[512] = {
0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, 0, -1, /* 1e0-1ef */
0, 0, -1, -2, 0, -1, 0, 0, 0, -1, 0, -1, 0, -1, 0, -1, /* 1f0-1ff */
};
+EXPORT_SYMBOL_GPL(NlsUniUpperTable);
/* Upper case range - Greek */
static signed char UniCaseRangeU03a0[47] = {
@@ -126,7 +135,7 @@ static signed char UniCaseRangeUff40[27] = {
/*
* Upper Case Range
*/
-const struct UniCaseRange SmbUniUpperRange[] = {
+const struct UniCaseRange NlsUniUpperRange[] = {
{0x03a0, 0x03ce, UniCaseRangeU03a0},
{0x0430, 0x045f, UniCaseRangeU0430},
{0x0490, 0x04cc, UniCaseRangeU0490},
@@ -134,6 +143,4 @@ const struct UniCaseRange SmbUniUpperRange[] = {
{0xff40, 0xff5a, UniCaseRangeUff40},
{0}
};
-#endif
-
-#endif /* __KSMBD_UNIUPR_H */
+EXPORT_SYMBOL_GPL(NlsUniUpperRange);
diff --git a/fs/nls/nls_ucs2_utils.h b/fs/nls/nls_ucs2_utils.h
new file mode 100644
index 0000000000000000000000000000000000000000..3500596ea9931db5f8f47e22219bd6422d6efaf7
--- /dev/null
+++ b/fs/nls/nls_ucs2_utils.h
@@ -0,0 +1,297 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Some of the source code in this file came from fs/cifs/cifs_unicode.c
+ * and then via server/unicode.c
+ * cifs_unicode: Unicode kernel case support
+ *
+ * Function:
+ * Convert a unicode character to upper or lower case using
+ * compressed tables.
+ *
+ * Copyright (c) International Business Machines Corp., 2000,2009
+ *
+ *
+ * Notes:
+ * These APIs are based on the C library functions. The semantics
+ * should match the C functions but with expanded size operands.
+ *
+ * The upper/lower functions are based on a table created by mkupr.
+ * This is a compressed table of upper and lower case conversion.
+ *
+ */
+#ifndef _NLS_UCS2_UTILS_H
+#define _NLS_UCS2_UTILS_H
+
+#include <asm/byteorder.h>
+#include <linux/types.h>
+#include <linux/nls.h>
+#include <linux/unicode.h>
+
+/*
+ * Windows maps these to the user defined 16 bit Unicode range since they are
+ * reserved symbols (along with \ and /), otherwise illegal to store
+ * in filenames in NTFS
+ */
+#define UNI_ASTERISK ((__u16)('*' + 0xF000))
+#define UNI_QUESTION ((__u16)('?' + 0xF000))
+#define UNI_COLON ((__u16)(':' + 0xF000))
+#define UNI_GRTRTHAN ((__u16)('>' + 0xF000))
+#define UNI_LESSTHAN ((__u16)('<' + 0xF000))
+#define UNI_PIPE ((__u16)('|' + 0xF000))
+#define UNI_SLASH ((__u16)('\\' + 0xF000))
+
+#ifndef UNICASERANGE_DEFINED
+struct UniCaseRange {
+ wchar_t start;
+ wchar_t end;
+ signed char *table;
+};
+#endif /* UNICASERANGE_DEFINED */
+
+#ifndef UNIUPR_NOUPPER
+extern signed char NlsUniUpperTable[512];
+extern const struct UniCaseRange NlsUniUpperRange[];
+#endif /* UNIUPR_NOUPPER */
+
+/*
+ * UniStrcat: Concatenate the second string to the first
+ *
+ * Returns:
+ * Address of the first string
+ */
+static inline wchar_t *UniStrcat(wchar_t *ucs1, const wchar_t *ucs2)
+{
+ wchar_t *anchor = ucs1; /* save a pointer to start of ucs1 */
+
+ while (*ucs1++)
+ /*NULL*/; /* To end of first string */
+ ucs1--; /* Return to the null */
+ while ((*ucs1++ = *ucs2++))
+ /*NULL*/; /* copy string 2 over */
+ return anchor;
+}
+
+/*
+ * UniStrchr: Find a character in a string
+ *
+ * Returns:
+ * Address of first occurrence of character in string
+ * or NULL if the character is not in the string
+ */
+static inline wchar_t *UniStrchr(const wchar_t *ucs, wchar_t uc)
+{
+ while ((*ucs != uc) && *ucs)
+ ucs++;
+
+ if (*ucs == uc)
+ return (wchar_t *)ucs;
+ return NULL;
+}
+
+/*
+ * UniStrcmp: Compare two strings
+ *
+ * Returns:
+ * < 0: First string is less than second
+ * = 0: Strings are equal
+ * > 0: First string is greater than second
+ */
+static inline int UniStrcmp(const wchar_t *ucs1, const wchar_t *ucs2)
+{
+ while ((*ucs1 == *ucs2) && *ucs1) {
+ ucs1++;
+ ucs2++;
+ }
+ return (int)*ucs1 - (int)*ucs2;
+}
+
+/*
+ * UniStrcpy: Copy a string
+ */
+static inline wchar_t *UniStrcpy(wchar_t *ucs1, const wchar_t *ucs2)
+{
+ wchar_t *anchor = ucs1; /* save the start of result string */
+
+ while ((*ucs1++ = *ucs2++))
+ /*NULL*/;
+ return anchor;
+}
+
+/*
+ * UniStrlen: Return the length of a string (in 16 bit Unicode chars not bytes)
+ */
+static inline size_t UniStrlen(const wchar_t *ucs1)
+{
+ int i = 0;
+
+ while (*ucs1++)
+ i++;
+ return i;
+}
+
+/*
+ * UniStrnlen: Return the length (in 16 bit Unicode chars not bytes) of a
+ * string (length limited)
+ */
+static inline size_t UniStrnlen(const wchar_t *ucs1, int maxlen)
+{
+ int i = 0;
+
+ while (*ucs1++) {
+ i++;
+ if (i >= maxlen)
+ break;
+ }
+ return i;
+}
+
+/*
+ * UniStrncat: Concatenate length limited string
+ */
+static inline wchar_t *UniStrncat(wchar_t *ucs1, const wchar_t *ucs2, size_t n)
+{
+ wchar_t *anchor = ucs1; /* save pointer to string 1 */
+
+ while (*ucs1++)
+ /*NULL*/;
+ ucs1--; /* point to null terminator of s1 */
+ while (n-- && (*ucs1 = *ucs2)) { /* copy s2 after s1 */
+ ucs1++;
+ ucs2++;
+ }
+ *ucs1 = 0; /* Null terminate the result */
+ return anchor;
+}
+
+/*
+ * UniStrncmp: Compare length limited string
+ */
+static inline int UniStrncmp(const wchar_t *ucs1, const wchar_t *ucs2, size_t n)
+{
+ if (!n)
+ return 0; /* Null strings are equal */
+ while ((*ucs1 == *ucs2) && *ucs1 && --n) {
+ ucs1++;
+ ucs2++;
+ }
+ return (int)*ucs1 - (int)*ucs2;
+}
+
+/*
+ * UniStrncmp_le: Compare length limited string - native to little-endian
+ */
+static inline int
+UniStrncmp_le(const wchar_t *ucs1, const wchar_t *ucs2, size_t n)
+{
+ if (!n)
+ return 0; /* Null strings are equal */
+ while ((*ucs1 == __le16_to_cpu(*ucs2)) && *ucs1 && --n) {
+ ucs1++;
+ ucs2++;
+ }
+ return (int)*ucs1 - (int)__le16_to_cpu(*ucs2);
+}
+
+/*
+ * UniStrncpy: Copy length limited string with pad
+ */
+static inline wchar_t *UniStrncpy(wchar_t *ucs1, const wchar_t *ucs2, size_t n)
+{
+ wchar_t *anchor = ucs1;
+
+ while (n-- && *ucs2) /* Copy the strings */
+ *ucs1++ = *ucs2++;
+
+ n++;
+ while (n--) /* Pad with nulls */
+ *ucs1++ = 0;
+ return anchor;
+}
+
+/*
+ * UniStrncpy_le: Copy length limited string with pad to little-endian
+ */
+static inline wchar_t *UniStrncpy_le(wchar_t *ucs1, const wchar_t *ucs2, size_t n)
+{
+ wchar_t *anchor = ucs1;
+
+ while (n-- && *ucs2) /* Copy the strings */
+ *ucs1++ = __le16_to_cpu(*ucs2++);
+
+ n++;
+ while (n--) /* Pad with nulls */
+ *ucs1++ = 0;
+ return anchor;
+}
+
+/*
+ * UniStrstr: Find a string in a string
+ *
+ * Returns:
+ * Address of first match found
+ * NULL if no matching string is found
+ */
+static inline wchar_t *UniStrstr(const wchar_t *ucs1, const wchar_t *ucs2)
+{
+ const wchar_t *anchor1 = ucs1;
+ const wchar_t *anchor2 = ucs2;
+
+ while (*ucs1) {
+ if (*ucs1 == *ucs2) {
+ /* Partial match found */
+ ucs1++;
+ ucs2++;
+ } else {
+ if (!*ucs2) /* Match found */
+ return (wchar_t *)anchor1;
+ ucs1 = ++anchor1; /* No match */
+ ucs2 = anchor2;
+ }
+ }
+
+ if (!*ucs2) /* Both end together */
+ return (wchar_t *)anchor1; /* Match found */
+ return NULL; /* No match */
+}
+
+#ifndef UNIUPR_NOUPPER
+/*
+ * UniToupper: Convert a unicode character to upper case
+ */
+static inline wchar_t UniToupper(register wchar_t uc)
+{
+ register const struct UniCaseRange *rp;
+
+ if (uc < sizeof(NlsUniUpperTable)) {
+ /* Latin characters */
+ return uc + NlsUniUpperTable[uc]; /* Use base tables */
+ }
+
+ rp = NlsUniUpperRange; /* Use range tables */
+ while (rp->start) {
+ if (uc < rp->start) /* Before start of range */
+ return uc; /* Uppercase = input */
+ if (uc <= rp->end) /* In range */
+ return uc + rp->table[uc - rp->start];
+ rp++; /* Try next range */
+ }
+ return uc; /* Past last range */
+}
+
+/*
+ * UniStrupr: Upper case a unicode string
+ */
+static inline __le16 *UniStrupr(register __le16 *upin)
+{
+ register __le16 *up;
+
+ up = upin;
+ while (*up) { /* For all characters */
+ *up = cpu_to_le16(UniToupper(le16_to_cpu(*up)));
+ up++;
+ }
+ return upin; /* Return input pointer */
+}
+#endif /* UNIUPR_NOUPPER */
+
+#endif /* _NLS_UCS2_UTILS_H */
diff --git a/fs/smb/server/Kconfig b/fs/smb/server/Kconfig
index 7055cb5d288008fa3dab317d10117ae3367b903f..793151ddd60e99d5f0c9bdc6a1fd3b99fc7a514c 100644
--- a/fs/smb/server/Kconfig
+++ b/fs/smb/server/Kconfig
@@ -5,6 +5,7 @@ config SMB_SERVER
depends on FILE_LOCKING
select NLS
select NLS_UTF8
+ select NLS_UCS2_UTILS
select CRYPTO
select CRYPTO_MD5
select CRYPTO_HMAC
diff --git a/fs/smb/server/unicode.c b/fs/smb/server/unicode.c
index 9ae676906ed394409eb4ba84a4d9a9113e73aea9..393dd4a7432b659ee897eaefb21e8e593540d983 100644
--- a/fs/smb/server/unicode.c
+++ b/fs/smb/server/unicode.c
@@ -11,7 +11,6 @@
#include <asm/unaligned.h>
#include "glob.h"
#include "unicode.h"
-#include "uniupr.h"
#include "smb_common.h"
/*
diff --git a/fs/smb/server/unicode.h b/fs/smb/server/unicode.h
index b48c7b11b9c78e85dd982c5b24ab496ecca9700a..28c7c736f7bbd2ae17ab557b6c51e545ae810b3c 100644
--- a/fs/smb/server/unicode.h
+++ b/fs/smb/server/unicode.h
@@ -18,42 +18,14 @@
* This is a compressed table of upper and lower case conversion.
*
*/
-#ifndef _CIFS_UNICODE_H
-#define _CIFS_UNICODE_H
+#ifndef _SMB_UNICODE_H
+#define _SMB_UNICODE_H
#include <asm/byteorder.h>
#include <linux/types.h>
#include <linux/nls.h>
#include <linux/unicode.h>
-
-/*
- * Windows maps these to the user defined 16 bit Unicode range since they are
- * reserved symbols (along with \ and /), otherwise illegal to store
- * in filenames in NTFS
- */
-#define UNI_ASTERISK ((__u16)('*' + 0xF000))
-#define UNI_QUESTION ((__u16)('?' + 0xF000))
-#define UNI_COLON ((__u16)(':' + 0xF000))
-#define UNI_GRTRTHAN ((__u16)('>' + 0xF000))
-#define UNI_LESSTHAN ((__u16)('<' + 0xF000))
-#define UNI_PIPE ((__u16)('|' + 0xF000))
-#define UNI_SLASH ((__u16)('\\' + 0xF000))
-
-/* Just define what we want from uniupr.h. We don't want to define the tables
- * in each source file.
- */
-#ifndef UNICASERANGE_DEFINED
-struct UniCaseRange {
- wchar_t start;
- wchar_t end;
- signed char *table;
-};
-#endif /* UNICASERANGE_DEFINED */
-
-#ifndef UNIUPR_NOUPPER
-extern signed char SmbUniUpperTable[512];
-extern const struct UniCaseRange SmbUniUpperRange[];
-#endif /* UNIUPR_NOUPPER */
+#include "../../nls/nls_ucs2_utils.h"
#ifdef __KERNEL__
int smb_strtoUTF16(__le16 *to, const char *from, int len,
@@ -66,245 +38,4 @@ int smbConvertToUTF16(__le16 *target, const char *source, int srclen,
char *ksmbd_extract_sharename(struct unicode_map *um, const char *treename);
#endif
-/*
- * UniStrcat: Concatenate the second string to the first
- *
- * Returns:
- * Address of the first string
- */
-static inline wchar_t *UniStrcat(wchar_t *ucs1, const wchar_t *ucs2)
-{
- wchar_t *anchor = ucs1; /* save a pointer to start of ucs1 */
-
- while (*ucs1++)
- /*NULL*/; /* To end of first string */
- ucs1--; /* Return to the null */
- while ((*ucs1++ = *ucs2++))
- /*NULL*/; /* copy string 2 over */
- return anchor;
-}
-
-/*
- * UniStrchr: Find a character in a string
- *
- * Returns:
- * Address of first occurrence of character in string
- * or NULL if the character is not in the string
- */
-static inline wchar_t *UniStrchr(const wchar_t *ucs, wchar_t uc)
-{
- while ((*ucs != uc) && *ucs)
- ucs++;
-
- if (*ucs == uc)
- return (wchar_t *)ucs;
- return NULL;
-}
-
-/*
- * UniStrcmp: Compare two strings
- *
- * Returns:
- * < 0: First string is less than second
- * = 0: Strings are equal
- * > 0: First string is greater than second
- */
-static inline int UniStrcmp(const wchar_t *ucs1, const wchar_t *ucs2)
-{
- while ((*ucs1 == *ucs2) && *ucs1) {
- ucs1++;
- ucs2++;
- }
- return (int)*ucs1 - (int)*ucs2;
-}
-
-/*
- * UniStrcpy: Copy a string
- */
-static inline wchar_t *UniStrcpy(wchar_t *ucs1, const wchar_t *ucs2)
-{
- wchar_t *anchor = ucs1; /* save the start of result string */
-
- while ((*ucs1++ = *ucs2++))
- /*NULL*/;
- return anchor;
-}
-
-/*
- * UniStrlen: Return the length of a string (in 16 bit Unicode chars not bytes)
- */
-static inline size_t UniStrlen(const wchar_t *ucs1)
-{
- int i = 0;
-
- while (*ucs1++)
- i++;
- return i;
-}
-
-/*
- * UniStrnlen: Return the length (in 16 bit Unicode chars not bytes) of a
- * string (length limited)
- */
-static inline size_t UniStrnlen(const wchar_t *ucs1, int maxlen)
-{
- int i = 0;
-
- while (*ucs1++) {
- i++;
- if (i >= maxlen)
- break;
- }
- return i;
-}
-
-/*
- * UniStrncat: Concatenate length limited string
- */
-static inline wchar_t *UniStrncat(wchar_t *ucs1, const wchar_t *ucs2, size_t n)
-{
- wchar_t *anchor = ucs1; /* save pointer to string 1 */
-
- while (*ucs1++)
- /*NULL*/;
- ucs1--; /* point to null terminator of s1 */
- while (n-- && (*ucs1 = *ucs2)) { /* copy s2 after s1 */
- ucs1++;
- ucs2++;
- }
- *ucs1 = 0; /* Null terminate the result */
- return anchor;
-}
-
-/*
- * UniStrncmp: Compare length limited string
- */
-static inline int UniStrncmp(const wchar_t *ucs1, const wchar_t *ucs2, size_t n)
-{
- if (!n)
- return 0; /* Null strings are equal */
- while ((*ucs1 == *ucs2) && *ucs1 && --n) {
- ucs1++;
- ucs2++;
- }
- return (int)*ucs1 - (int)*ucs2;
-}
-
-/*
- * UniStrncmp_le: Compare length limited string - native to little-endian
- */
-static inline int
-UniStrncmp_le(const wchar_t *ucs1, const wchar_t *ucs2, size_t n)
-{
- if (!n)
- return 0; /* Null strings are equal */
- while ((*ucs1 == __le16_to_cpu(*ucs2)) && *ucs1 && --n) {
- ucs1++;
- ucs2++;
- }
- return (int)*ucs1 - (int)__le16_to_cpu(*ucs2);
-}
-
-/*
- * UniStrncpy: Copy length limited string with pad
- */
-static inline wchar_t *UniStrncpy(wchar_t *ucs1, const wchar_t *ucs2, size_t n)
-{
- wchar_t *anchor = ucs1;
-
- while (n-- && *ucs2) /* Copy the strings */
- *ucs1++ = *ucs2++;
-
- n++;
- while (n--) /* Pad with nulls */
- *ucs1++ = 0;
- return anchor;
-}
-
-/*
- * UniStrncpy_le: Copy length limited string with pad to little-endian
- */
-static inline wchar_t *UniStrncpy_le(wchar_t *ucs1, const wchar_t *ucs2, size_t n)
-{
- wchar_t *anchor = ucs1;
-
- while (n-- && *ucs2) /* Copy the strings */
- *ucs1++ = __le16_to_cpu(*ucs2++);
-
- n++;
- while (n--) /* Pad with nulls */
- *ucs1++ = 0;
- return anchor;
-}
-
-/*
- * UniStrstr: Find a string in a string
- *
- * Returns:
- * Address of first match found
- * NULL if no matching string is found
- */
-static inline wchar_t *UniStrstr(const wchar_t *ucs1, const wchar_t *ucs2)
-{
- const wchar_t *anchor1 = ucs1;
- const wchar_t *anchor2 = ucs2;
-
- while (*ucs1) {
- if (*ucs1 == *ucs2) {
- /* Partial match found */
- ucs1++;
- ucs2++;
- } else {
- if (!*ucs2) /* Match found */
- return (wchar_t *)anchor1;
- ucs1 = ++anchor1; /* No match */
- ucs2 = anchor2;
- }
- }
-
- if (!*ucs2) /* Both end together */
- return (wchar_t *)anchor1; /* Match found */
- return NULL; /* No match */
-}
-
-#ifndef UNIUPR_NOUPPER
-/*
- * UniToupper: Convert a unicode character to upper case
- */
-static inline wchar_t UniToupper(register wchar_t uc)
-{
- register const struct UniCaseRange *rp;
-
- if (uc < sizeof(SmbUniUpperTable)) {
- /* Latin characters */
- return uc + SmbUniUpperTable[uc]; /* Use base tables */
- }
-
- rp = SmbUniUpperRange; /* Use range tables */
- while (rp->start) {
- if (uc < rp->start) /* Before start of range */
- return uc; /* Uppercase = input */
- if (uc <= rp->end) /* In range */
- return uc + rp->table[uc - rp->start];
- rp++; /* Try next range */
- }
- return uc; /* Past last range */
-}
-
-/*
- * UniStrupr: Upper case a unicode string
- */
-static inline __le16 *UniStrupr(register __le16 *upin)
-{
- register __le16 *up;
-
- up = upin;
- while (*up) { /* For all characters */
- *up = cpu_to_le16(UniToupper(le16_to_cpu(*up)));
- up++;
- }
- return upin; /* Return input pointer */
-}
-#endif /* UNIUPR_NOUPPER */
-
-#endif /* _CIFS_UNICODE_H */
+#endif /* _SMB_UNICODE_H */