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-rw-r--r--fs/cifs/Kconfig9
-rw-r--r--fs/cifs/cifs_dfs_ref.c3
-rw-r--r--fs/cifs/cifs_unicode.c182
-rw-r--r--fs/cifs/cifsfs.c2
-rw-r--r--fs/cifs/cifsfs.h2
-rw-r--r--fs/cifs/cifsglob.h13
-rw-r--r--fs/cifs/cifspdu.h12
-rw-r--r--fs/cifs/cifsproto.h4
-rw-r--r--fs/cifs/cifssmb.c28
-rw-r--r--fs/cifs/connect.c16
-rw-r--r--fs/cifs/dir.c3
-rw-r--r--fs/cifs/file.c7
-rw-r--r--fs/cifs/inode.c31
-rw-r--r--fs/cifs/ioctl.c27
-rw-r--r--fs/cifs/link.c31
-rw-r--r--fs/cifs/readdir.c2
-rw-r--r--fs/cifs/smb1ops.c3
-rw-r--r--fs/cifs/smb2ops.c180
-rw-r--r--fs/cifs/smb2pdu.c69
-rw-r--r--fs/cifs/smb2pdu.h81
-rw-r--r--fs/cifs/smbfsctl.h3
21 files changed, 600 insertions, 108 deletions
diff --git a/fs/cifs/Kconfig b/fs/cifs/Kconfig
index a2172f3f69e3..e7b478b49985 100644
--- a/fs/cifs/Kconfig
+++ b/fs/cifs/Kconfig
@@ -192,6 +192,15 @@ config CIFS_SMB2
options are also slightly simpler (compared to CIFS) due
to protocol improvements.
+config CIFS_SMB311
+ bool "SMB3.1.1 network file system support (Experimental)"
+ depends on CIFS_SMB2 && INET
+
+ help
+ This enables experimental support for the newest, SMB3.1.1, dialect.
+ This dialect includes improved security negotiation features.
+ If unsure, say N
+
config CIFS_FSCACHE
bool "Provide CIFS client caching support"
depends on CIFS=m && FSCACHE || CIFS=y && FSCACHE=y
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index 430e0348c99e..7dc886c9a78f 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -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);
diff --git a/fs/cifs/cifs_unicode.c b/fs/cifs/cifs_unicode.c
index 0303c6793d90..5a53ac6b1e02 100644
--- a/fs/cifs/cifs_unicode.c
+++ b/fs/cifs/cifs_unicode.c
@@ -27,41 +27,6 @@
#include "cifsglob.h"
#include "cifs_debug.h"
-/*
- * 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 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_utf16_bytes(const __le16 *from, int maxbytes,
- const struct nls_table *codepage)
-{
- int i;
- int charlen, outlen = 0;
- int maxwords = maxbytes / 2;
- char tmp[NLS_MAX_CHARSET_SIZE];
- __u16 ftmp;
-
- for (i = 0; i < maxwords; i++) {
- ftmp = get_unaligned_le16(&from[i]);
- if (ftmp == 0)
- break;
-
- charlen = codepage->uni2char(ftmp, tmp, NLS_MAX_CHARSET_SIZE);
- if (charlen > 0)
- outlen += charlen;
- else
- outlen++;
- }
-
- return outlen;
-}
-
int cifs_remap(struct cifs_sb_info *cifs_sb)
{
int map_type;
@@ -155,10 +120,13 @@ convert_sfm_char(const __u16 src_char, char *target)
* enough to hold the result of the conversion (at least NLS_MAX_CHARSET_SIZE).
*/
static int
-cifs_mapchar(char *target, const __u16 src_char, const struct nls_table *cp,
+cifs_mapchar(char *target, const __u16 *from, const struct nls_table *cp,
int maptype)
{
int len = 1;
+ __u16 src_char;
+
+ src_char = *from;
if ((maptype == SFM_MAP_UNI_RSVD) && convert_sfm_char(src_char, target))
return len;
@@ -168,10 +136,23 @@ cifs_mapchar(char *target, const __u16 src_char, const struct nls_table *cp,
/* if character not one of seven in special remap set */
len = cp->uni2char(src_char, target, NLS_MAX_CHARSET_SIZE);
- if (len <= 0) {
- *target = '?';
- len = 1;
- }
+ if (len <= 0)
+ goto surrogate_pair;
+
+ return len;
+
+surrogate_pair:
+ /* convert SURROGATE_PAIR and IVS */
+ if (strcmp(cp->charset, "utf8"))
+ goto unknown;
+ len = utf16s_to_utf8s(from, 3, UTF16_LITTLE_ENDIAN, target, 6);
+ if (len <= 0)
+ goto unknown;
+ return len;
+
+unknown:
+ *target = '?';
+ len = 1;
return len;
}
@@ -206,7 +187,7 @@ cifs_from_utf16(char *to, const __le16 *from, int tolen, int fromlen,
int nullsize = nls_nullsize(codepage);
int fromwords = fromlen / 2;
char tmp[NLS_MAX_CHARSET_SIZE];
- __u16 ftmp;
+ __u16 ftmp[3]; /* ftmp[3] = 3array x 2bytes = 6bytes UTF-16 */
/*
* because the chars can be of varying widths, we need to take care
@@ -217,9 +198,17 @@ cifs_from_utf16(char *to, const __le16 *from, int tolen, int fromlen,
safelen = tolen - (NLS_MAX_CHARSET_SIZE + nullsize);
for (i = 0; i < fromwords; i++) {
- ftmp = get_unaligned_le16(&from[i]);
- if (ftmp == 0)
+ ftmp[0] = get_unaligned_le16(&from[i]);
+ if (ftmp[0] == 0)
break;
+ if (i + 1 < fromwords)
+ ftmp[1] = get_unaligned_le16(&from[i + 1]);
+ else
+ ftmp[1] = 0;
+ if (i + 2 < fromwords)
+ ftmp[2] = get_unaligned_le16(&from[i + 2]);
+ else
+ ftmp[2] = 0;
/*
* check to see if converting this character might make the
@@ -234,6 +223,17 @@ cifs_from_utf16(char *to, const __le16 *from, int tolen, int fromlen,
/* put converted char into 'to' buffer */
charlen = cifs_mapchar(&to[outlen], ftmp, codepage, map_type);
outlen += charlen;
+
+ /* charlen (=bytes of UTF-8 for 1 character)
+ * 4bytes UTF-8(surrogate pair) is charlen=4
+ * (4bytes UTF-16 code)
+ * 7-8bytes UTF-8(IVS) is charlen=3+4 or 4+4
+ * (2 UTF-8 pairs divided to 2 UTF-16 pairs) */
+ if (charlen == 4)
+ i++;
+ else if (charlen >= 5)
+ /* 5-6bytes UTF-8 */
+ i += 2;
}
/* properly null-terminate string */
@@ -296,6 +296,46 @@ success:
}
/*
+ * 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 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_utf16_bytes(const __le16 *from, int maxbytes,
+ const struct nls_table *codepage)
+{
+ int i;
+ int charlen, outlen = 0;
+ int maxwords = maxbytes / 2;
+ char tmp[NLS_MAX_CHARSET_SIZE];
+ __u16 ftmp[3];
+
+ for (i = 0; i < maxwords; i++) {
+ ftmp[0] = get_unaligned_le16(&from[i]);
+ if (ftmp[0] == 0)
+ break;
+ if (i + 1 < maxwords)
+ ftmp[1] = get_unaligned_le16(&from[i + 1]);
+ else
+ ftmp[1] = 0;
+ if (i + 2 < maxwords)
+ ftmp[2] = get_unaligned_le16(&from[i + 2]);
+ else
+ ftmp[2] = 0;
+
+ charlen = cifs_mapchar(tmp, ftmp, codepage, NO_MAP_UNI_RSVD);
+ outlen += charlen;
+ }
+
+ return outlen;
+}
+
+/*
* cifs_strndup_from_utf16 - copy a string from wire format to the local
* codepage
* @src - source string
@@ -409,10 +449,15 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
char src_char;
__le16 dst_char;
wchar_t tmp;
+ wchar_t *wchar_to; /* UTF-16 */
+ int ret;
+ unicode_t u;
if (map_chars == NO_MAP_UNI_RSVD)
return cifs_strtoUTF16(target, source, PATH_MAX, cp);
+ wchar_to = kzalloc(6, GFP_KERNEL);
+
for (i = 0; i < srclen; j++) {
src_char = source[i];
charlen = 1;
@@ -441,11 +486,55 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
* if no match, use question mark, which at least in
* some cases serves as wild card
*/
- if (charlen < 1) {
- dst_char = cpu_to_le16(0x003f);
- charlen = 1;
+ if (charlen > 0)
+ goto ctoUTF16;
+
+ /* convert SURROGATE_PAIR */
+ if (strcmp(cp->charset, "utf8") || !wchar_to)
+ goto unknown;
+ if (*(source + i) & 0x80) {
+ charlen = utf8_to_utf32(source + i, 6, &u);
+ if (charlen < 0)
+ goto unknown;
+ } else
+ goto unknown;
+ ret = utf8s_to_utf16s(source + i, charlen,
+ UTF16_LITTLE_ENDIAN,
+ wchar_to, 6);
+ if (ret < 0)
+ goto unknown;
+
+ i += charlen;
+ dst_char = cpu_to_le16(*wchar_to);
+ if (charlen <= 3)
+ /* 1-3bytes UTF-8 to 2bytes UTF-16 */
+ put_unaligned(dst_char, &target[j]);
+ else if (charlen == 4) {
+ /* 4bytes UTF-8(surrogate pair) to 4bytes UTF-16
+ * 7-8bytes UTF-8(IVS) divided to 2 UTF-16
+ * (charlen=3+4 or 4+4) */
+ put_unaligned(dst_char, &target[j]);
+ dst_char = cpu_to_le16(*(wchar_to + 1));
+ j++;
+ put_unaligned(dst_char, &target[j]);
+ } else if (charlen >= 5) {
+ /* 5-6bytes UTF-8 to 6bytes UTF-16 */
+ put_unaligned(dst_char, &target[j]);
+ dst_char = cpu_to_le16(*(wchar_to + 1));
+ j++;
+ put_unaligned(dst_char, &target[j]);
+ dst_char = cpu_to_le16(*(wchar_to + 2));
+ j++;
+ put_unaligned(dst_char, &target[j]);
}
+ continue;
+
+unknown:
+ dst_char = cpu_to_le16(0x003f);
+ charlen = 1;
}
+
+ctoUTF16:
/*
* character may take more than one byte in the source string,
* but will take exactly two bytes in the target string
@@ -456,6 +545,7 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
ctoUTF16_out:
put_unaligned(0, &target[j]); /* Null terminate target unicode string */
+ kfree(wchar_to);
return j;
}
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index f5089bde3635..0a9fb6b53126 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -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)
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 252f5c15806b..a782b22904e4 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -120,7 +120,7 @@ extern struct vfsmount *cifs_dfs_d_automount(struct path *path);
#endif
/* Functions related to symlinks */
-extern void *cifs_follow_link(struct dentry *direntry, struct nameidata *nd);
+extern const char *cifs_follow_link(struct dentry *direntry, void **cookie);
extern int cifs_readlink(struct dentry *direntry, char __user *buffer,
int buflen);
extern int cifs_symlink(struct inode *inode, struct dentry *direntry,
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 22b289a3b1c4..b406a32deb1f 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -171,6 +171,10 @@ enum smb_version {
Smb_21,
Smb_30,
Smb_302,
+#ifdef CONFIG_CIFS_SMB311
+ Smb_311,
+#endif /* SMB311 */
+ Smb_version_err
};
struct mid_q_entry;
@@ -368,6 +372,8 @@ struct smb_version_operations {
void (*new_lease_key)(struct cifs_fid *);
int (*generate_signingkey)(struct cifs_ses *);
int (*calc_signature)(struct smb_rqst *, struct TCP_Server_Info *);
+ int (*set_integrity)(const unsigned int, struct cifs_tcon *tcon,
+ struct cifsFileInfo *src_file);
int (*query_mf_symlink)(unsigned int, struct cifs_tcon *,
struct cifs_sb_info *, const unsigned char *,
char *, unsigned int *);
@@ -386,6 +392,9 @@ struct smb_version_operations {
int (*clone_range)(const unsigned int, struct cifsFileInfo *src_file,
struct cifsFileInfo *target_file, u64 src_off, u64 len,
u64 dest_off);
+ int (*duplicate_extents)(const unsigned int, struct cifsFileInfo *src,
+ struct cifsFileInfo *target_file, u64 src_off, u64 len,
+ u64 dest_off);
int (*validate_negotiate)(const unsigned int, struct cifs_tcon *);
ssize_t (*query_all_EAs)(const unsigned int, struct cifs_tcon *,
const unsigned char *, const unsigned char *, char *,
@@ -1617,4 +1626,8 @@ extern struct smb_version_values smb30_values;
#define SMB302_VERSION_STRING "3.02"
/*extern struct smb_version_operations smb302_operations;*/ /* not needed yet */
extern struct smb_version_values smb302_values;
+#define SMB311_VERSION_STRING "3.1.1"
+#define ALT_SMB311_VERSION_STRING "3.11"
+extern struct smb_version_operations smb311_operations;
+extern struct smb_version_values smb311_values;
#endif /* _CIFS_GLOB_H */
diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h
index 5f9822ac0245..47b030da0781 100644
--- a/fs/cifs/cifspdu.h
+++ b/fs/cifs/cifspdu.h
@@ -2255,6 +2255,8 @@ typedef struct {
/* List of FileSystemAttributes - see 2.5.1 of MS-FSCC */
+#define FILE_SUPPORTS_SPARSE_VDL 0x10000000 /* faster nonsparse extend */
+#define FILE_SUPPORTS_BLOCK_REFCOUNTING 0x08000000 /* allow ioctl dup extents */
#define FILE_SUPPORT_INTEGRITY_STREAMS 0x04000000
#define FILE_SUPPORTS_USN_JOURNAL 0x02000000
#define FILE_SUPPORTS_OPEN_BY_FILE_ID 0x01000000
@@ -2310,6 +2312,16 @@ typedef struct { /* data block encoding of response to level 263 QPathInfo */
char FileName[1];
} __attribute__((packed)) FILE_ALL_INFO; /* level 0x107 QPathInfo */
+typedef struct {
+ __le64 AllocationSize;
+ __le64 EndOfFile; /* size ie offset to first free byte in file */
+ __le32 NumberOfLinks; /* hard links */
+ __u8 DeletePending;
+ __u8 Directory;
+ __u16 Pad;
+} __attribute__((packed)) FILE_STANDARD_INFO; /* level 0x102 QPathInfo */
+
+
/* defines for enumerating possible values of the Unix type field below */
#define UNIX_FILE 0
#define UNIX_DIR 1
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index c31ce98c1704..c63fd1dde25b 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -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);
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 84650a51c7c4..672ef35c9f73 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -625,9 +625,8 @@ CIFSSMBNegotiate(const unsigned int xid, struct cifs_ses *ses)
server->negflavor = CIFS_NEGFLAVOR_UNENCAP;
memcpy(ses->server->cryptkey, pSMBr->u.EncryptionKey,
CIFS_CRYPTO_KEY_SIZE);
- } else if ((pSMBr->hdr.Flags2 & SMBFLG2_EXT_SEC ||
- server->capabilities & CAP_EXTENDED_SECURITY) &&
- (pSMBr->EncryptionKeyLength == 0)) {
+ } else if (pSMBr->hdr.Flags2 & SMBFLG2_EXT_SEC ||
+ server->capabilities & CAP_EXTENDED_SECURITY) {
server->negflavor = CIFS_NEGFLAVOR_EXTENDED;
rc = decode_ext_sec_blob(ses, pSMBr);
} else if (server->sec_mode & SECMODE_PW_ENCRYPT) {
@@ -2784,7 +2783,7 @@ 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 +2803,9 @@ 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 +2827,9 @@ 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 +3033,7 @@ 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 +3054,9 @@ 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 */
@@ -4917,7 +4917,7 @@ getDFSRetry:
strncpy(pSMB->RequestFileName, search_name, name_len);
}
- if (ses->server && ses->server->sign)
+ if (ses->server->sign)
pSMB->hdr.Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
pSMB->hdr.Uid = ses->Suid;
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index f3bfe08e177b..773f4dc77630 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -280,6 +280,11 @@ static const match_table_t cifs_smb_version_tokens = {
{ Smb_21, SMB21_VERSION_STRING },
{ Smb_30, SMB30_VERSION_STRING },
{ Smb_302, SMB302_VERSION_STRING },
+#ifdef CONFIG_CIFS_SMB311
+ { Smb_311, SMB311_VERSION_STRING },
+ { Smb_311, ALT_SMB311_VERSION_STRING },
+#endif /* SMB311 */
+ { Smb_version_err, NULL }
};
static int ip_connect(struct TCP_Server_Info *server);
@@ -386,6 +391,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
rc = generic_ip_connect(server);
if (rc) {
cifs_dbg(FYI, "reconnect error %d\n", rc);
+ mutex_unlock(&server->srv_mutex);
msleep(3000);
} else {
atomic_inc(&tcpSesReconnectCount);
@@ -393,8 +399,8 @@ cifs_reconnect(struct TCP_Server_Info *server)
if (server->tcpStatus != CifsExiting)
server->tcpStatus = CifsNeedNegotiate;
spin_unlock(&GlobalMid_Lock);
+ mutex_unlock(&server->srv_mutex);
}
- mutex_unlock(&server->srv_mutex);
} while (server->tcpStatus == CifsNeedReconnect);
return rc;
@@ -1132,6 +1138,12 @@ cifs_parse_smb_version(char *value, struct smb_vol *vol)
vol->ops = &smb30_operations; /* currently identical with 3.0 */
vol->vals = &smb302_values;
break;
+#ifdef CONFIG_CIFS_SMB311
+ case Smb_311:
+ vol->ops = &smb311_operations;
+ vol->vals = &smb311_values;
+ break;
+#endif /* SMB311 */
#endif
default:
cifs_dbg(VFS, "Unknown vers= option specified: %s\n", value);
@@ -3460,6 +3472,8 @@ try_mount_again:
else if (ses)
cifs_put_smb_ses(ses);
+ cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_POSIX_PATHS;
+
free_xid(xid);
}
#endif
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 338d56936f6a..c3eb998a99bd 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -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;
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index cafbf10521d5..3f50cee79df9 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -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)
@@ -1553,8 +1552,8 @@ cifs_setlk(struct file *file, struct file_lock *flock, __u32 type,
rc = server->ops->mand_unlock_range(cfile, flock, xid);
out:
- if (flock->fl_flags & FL_POSIX)
- posix_lock_file_wait(file, flock);
+ if (flock->fl_flags & FL_POSIX && !rc)
+ rc = posix_lock_file_wait(file, flock);
return rc;
}
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 55b58112d122..f621b44cb800 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -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) {
@@ -402,9 +401,25 @@ int cifs_get_inode_info_unix(struct inode **pinode,
rc = -ENOMEM;
} else {
/* we already have inode, update it */
+
+ /* if uniqueid is different, return error */
+ if (unlikely(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM &&
+ CIFS_I(*pinode)->uniqueid != fattr.cf_uniqueid)) {
+ rc = -ESTALE;
+ goto cgiiu_exit;
+ }
+
+ /* if filetype is different, return error */
+ if (unlikely(((*pinode)->i_mode & S_IFMT) !=
+ (fattr.cf_mode & S_IFMT))) {
+ rc = -ESTALE;
+ goto cgiiu_exit;
+ }
+
cifs_fattr_to_inode(*pinode, &fattr);
}
+cgiiu_exit:
return rc;
}
@@ -839,6 +854,15 @@ cifs_get_inode_info(struct inode **inode, const char *full_path,
if (!*inode)
rc = -ENOMEM;
} else {
+ /* we already have inode, update it */
+
+ /* if filetype is different, return error */
+ if (unlikely(((*inode)->i_mode & S_IFMT) !=
+ (fattr.cf_mode & S_IFMT))) {
+ rc = -ESTALE;
+ goto cgii_exit;
+ }
+
cifs_fattr_to_inode(*inode, &fattr);
}
@@ -2215,8 +2239,7 @@ 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);
}
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
index 8b7898b7670f..49b8b6e41a18 100644
--- a/fs/cifs/ioctl.c
+++ b/fs/cifs/ioctl.c
@@ -31,12 +31,15 @@
#include "cifsproto.h"
#include "cifs_debug.h"
#include "cifsfs.h"
+#include <linux/btrfs.h>
#define CIFS_IOCTL_MAGIC 0xCF
#define CIFS_IOC_COPYCHUNK_FILE _IOW(CIFS_IOCTL_MAGIC, 3, int)
+#define CIFS_IOC_SET_INTEGRITY _IO(CIFS_IOCTL_MAGIC, 4)
static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file,
- unsigned long srcfd, u64 off, u64 len, u64 destoff)
+ unsigned long srcfd, u64 off, u64 len, u64 destoff,
+ bool dup_extents)
{
int rc;
struct cifsFileInfo *smb_file_target = dst_file->private_data;
@@ -109,9 +112,14 @@ static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file,
truncate_inode_pages_range(&target_inode->i_data, destoff,
PAGE_CACHE_ALIGN(destoff + len)-1);
- if (target_tcon->ses->server->ops->clone_range)
+ if (dup_extents && target_tcon->ses->server->ops->duplicate_extents)
+ rc = target_tcon->ses->server->ops->duplicate_extents(xid,
+ smb_file_src, smb_file_target, off, len, destoff);
+ else if (!dup_extents && target_tcon->ses->server->ops->clone_range)
rc = target_tcon->ses->server->ops->clone_range(xid,
smb_file_src, smb_file_target, off, len, destoff);
+ else
+ rc = -EOPNOTSUPP;
/* force revalidate of size and timestamps of target file now
that target is updated on the server */
@@ -205,7 +213,20 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
}
break;
case CIFS_IOC_COPYCHUNK_FILE:
- rc = cifs_ioctl_clone(xid, filep, arg, 0, 0, 0);
+ rc = cifs_ioctl_clone(xid, filep, arg, 0, 0, 0, false);
+ break;
+ case BTRFS_IOC_CLONE:
+ rc = cifs_ioctl_clone(xid, filep, arg, 0, 0, 0, true);
+ break;
+ case CIFS_IOC_SET_INTEGRITY:
+ if (pSMBFile == NULL)
+ break;
+ tcon = tlink_tcon(pSMBFile->tlink);
+ if (tcon->ses->server->ops->set_integrity)
+ rc = tcon->ses->server->ops->set_integrity(xid,
+ tcon, pSMBFile);
+ else
+ rc = -EOPNOTSUPP;
break;
default:
cifs_dbg(FYI, "unsupported ioctl\n");
diff --git a/fs/cifs/link.c b/fs/cifs/link.c
index 252e672d5604..e3548f73bdea 100644
--- a/fs/cifs/link.c
+++ b/fs/cifs/link.c
@@ -626,8 +626,8 @@ cifs_hl_exit:
return rc;
}
-void *
-cifs_follow_link(struct dentry *direntry, struct nameidata *nd)
+const char *
+cifs_follow_link(struct dentry *direntry, void **cookie)
{
struct inode *inode = d_inode(direntry);
int rc = -ENOMEM;
@@ -643,16 +643,18 @@ cifs_follow_link(struct dentry *direntry, struct nameidata *nd)
tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink)) {
- rc = PTR_ERR(tlink);
- tlink = NULL;
- goto out;
+ free_xid(xid);
+ return ERR_CAST(tlink);
}
tcon = tlink_tcon(tlink);
server = tcon->ses->server;
full_path = build_path_from_dentry(direntry);
- if (!full_path)
- goto out;
+ if (!full_path) {
+ free_xid(xid);
+ cifs_put_tlink(tlink);
+ return ERR_PTR(-ENOMEM);
+ }
cifs_dbg(FYI, "Full path: %s inode = 0x%p\n", full_path, inode);
@@ -670,17 +672,13 @@ cifs_follow_link(struct dentry *direntry, struct nameidata *nd)
&target_path, cifs_sb);
kfree(full_path);
-out:
+ free_xid(xid);
+ cifs_put_tlink(tlink);
if (rc != 0) {
kfree(target_path);
- target_path = ERR_PTR(rc);
+ return ERR_PTR(rc);
}
-
- free_xid(xid);
- if (tlink)
- cifs_put_tlink(tlink);
- nd_set_link(nd, target_path);
- return NULL;
+ return *cookie = target_path;
}
int
@@ -717,7 +715,8 @@ 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); */
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index b4a47237486b..b1eede3678a9 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -90,6 +90,8 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name,
if (dentry) {
inode = d_inode(dentry);
if (inode) {
+ if (d_mountpoint(dentry))
+ goto out;
/*
* If we're generating inode numbers, then we don't
* want to clobber the existing one with the one that
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index 7bfdd6066276..fc537c29044e 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -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,
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 54daee5ad4c1..df91bcf56d67 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -806,6 +806,53 @@ smb2_set_file_size(const unsigned int xid, struct cifs_tcon *tcon,
cfile->fid.volatile_fid, cfile->pid, &eof, false);
}
+#ifdef CONFIG_CIFS_SMB311
+static int
+smb2_duplicate_extents(const unsigned int xid,
+ struct cifsFileInfo *srcfile,
+ struct cifsFileInfo *trgtfile, u64 src_off,
+ u64 len, u64 dest_off)
+{
+ int rc;
+ unsigned int ret_data_len;
+ char *retbuf = NULL;
+ struct duplicate_extents_to_file dup_ext_buf;
+ struct cifs_tcon *tcon = tlink_tcon(trgtfile->tlink);
+
+ /* server fileays advertise duplicate extent support with this flag */
+ if ((le32_to_cpu(tcon->fsAttrInfo.Attributes) &
+ FILE_SUPPORTS_BLOCK_REFCOUNTING) == 0)
+ return -EOPNOTSUPP;
+
+ dup_ext_buf.VolatileFileHandle = srcfile->fid.volatile_fid;
+ dup_ext_buf.PersistentFileHandle = srcfile->fid.persistent_fid;
+ dup_ext_buf.SourceFileOffset = cpu_to_le64(src_off);
+ dup_ext_buf.TargetFileOffset = cpu_to_le64(dest_off);
+ dup_ext_buf.ByteCount = cpu_to_le64(len);
+ cifs_dbg(FYI, "duplicate extents: src off %lld dst off %lld len %lld",
+ src_off, dest_off, len);
+
+ rc = smb2_set_file_size(xid, tcon, trgtfile, dest_off + len, false);
+ if (rc)
+ goto duplicate_extents_out;
+
+ rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid,
+ trgtfile->fid.volatile_fid,
+ FSCTL_DUPLICATE_EXTENTS_TO_FILE,
+ true /* is_fsctl */, (char *)&dup_ext_buf,
+ sizeof(struct duplicate_extents_to_file),
+ (char **)&retbuf,
+ &ret_data_len);
+
+ if (ret_data_len > 0)
+ cifs_dbg(FYI, "non-zero response length in duplicate extents");
+
+duplicate_extents_out:
+ return rc;
+}
+#endif /* CONFIG_CIFS_SMB311 */
+
+
static int
smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
struct cifsFileInfo *cfile)
@@ -815,6 +862,28 @@ smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
}
static int
+smb3_set_integrity(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifsFileInfo *cfile)
+{
+ struct fsctl_set_integrity_information_req integr_info;
+ char *retbuf = NULL;
+ unsigned int ret_data_len;
+
+ integr_info.ChecksumAlgorithm = cpu_to_le16(CHECKSUM_TYPE_UNCHANGED);
+ integr_info.Flags = 0;
+ integr_info.Reserved = 0;
+
+ return SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
+ cfile->fid.volatile_fid,
+ FSCTL_SET_INTEGRITY_INFORMATION,
+ true /* is_fsctl */, (char *)&integr_info,
+ sizeof(struct fsctl_set_integrity_information_req),
+ (char **)&retbuf,
+ &ret_data_len);
+
+}
+
+static int
smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon,
const char *path, struct cifs_sb_info *cifs_sb,
struct cifs_fid *fid, __u16 search_flags,
@@ -1624,6 +1693,7 @@ struct smb_version_operations smb30_operations = {
.new_lease_key = smb2_new_lease_key,
.generate_signingkey = generate_smb3signingkey,
.calc_signature = smb3_calc_signature,
+ .set_integrity = smb3_set_integrity,
.is_read_op = smb21_is_read_op,
.set_oplock_level = smb3_set_oplock_level,
.create_lease_buf = smb3_create_lease_buf,
@@ -1635,6 +1705,94 @@ struct smb_version_operations smb30_operations = {
.fallocate = smb3_fallocate,
};
+#ifdef CONFIG_CIFS_SMB311
+struct smb_version_operations smb311_operations = {
+ .compare_fids = smb2_compare_fids,
+ .setup_request = smb2_setup_request,
+ .setup_async_request = smb2_setup_async_request,
+ .check_receive = smb2_check_receive,
+ .add_credits = smb2_add_credits,
+ .set_credits = smb2_set_credits,
+ .get_credits_field = smb2_get_credits_field,
+ .get_credits = smb2_get_credits,
+ .wait_mtu_credits = smb2_wait_mtu_credits,
+ .get_next_mid = smb2_get_next_mid,
+ .read_data_offset = smb2_read_data_offset,
+ .read_data_length = smb2_read_data_length,
+ .map_error = map_smb2_to_linux_error,
+ .find_mid = smb2_find_mid,
+ .check_message = smb2_check_message,
+ .dump_detail = smb2_dump_detail,
+ .clear_stats = smb2_clear_stats,
+ .print_stats = smb2_print_stats,
+ .dump_share_caps = smb2_dump_share_caps,
+ .is_oplock_break = smb2_is_valid_oplock_break,
+ .downgrade_oplock = smb2_downgrade_oplock,
+ .need_neg = smb2_need_neg,
+ .negotiate = smb2_negotiate,
+ .negotiate_wsize = smb2_negotiate_wsize,
+ .negotiate_rsize = smb2_negotiate_rsize,
+ .sess_setup = SMB2_sess_setup,
+ .logoff = SMB2_logoff,
+ .tree_connect = SMB2_tcon,
+ .tree_disconnect = SMB2_tdis,
+ .qfs_tcon = smb3_qfs_tcon,
+ .is_path_accessible = smb2_is_path_accessible,
+ .can_echo = smb2_can_echo,
+ .echo = SMB2_echo,
+ .query_path_info = smb2_query_path_info,
+ .get_srv_inum = smb2_get_srv_inum,
+ .query_file_info = smb2_query_file_info,
+ .set_path_size = smb2_set_path_size,
+ .set_file_size = smb2_set_file_size,
+ .set_file_info = smb2_set_file_info,
+ .set_compression = smb2_set_compression,
+ .mkdir = smb2_mkdir,
+ .mkdir_setinfo = smb2_mkdir_setinfo,
+ .rmdir = smb2_rmdir,
+ .unlink = smb2_unlink,
+ .rename = smb2_rename_path,
+ .create_hardlink = smb2_create_hardlink,
+ .query_symlink = smb2_query_symlink,
+ .query_mf_symlink = smb3_query_mf_symlink,
+ .create_mf_symlink = smb3_create_mf_symlink,
+ .open = smb2_open_file,
+ .set_fid = smb2_set_fid,
+ .close = smb2_close_file,
+ .flush = smb2_flush_file,
+ .async_readv = smb2_async_readv,
+ .async_writev = smb2_async_writev,
+ .sync_read = smb2_sync_read,
+ .sync_write = smb2_sync_write,
+ .query_dir_first = smb2_query_dir_first,
+ .query_dir_next = smb2_query_dir_next,
+ .close_dir = smb2_close_dir,
+ .calc_smb_size = smb2_calc_size,
+ .is_status_pending = smb2_is_status_pending,
+ .oplock_response = smb2_oplock_response,
+ .queryfs = smb2_queryfs,
+ .mand_lock = smb2_mand_lock,
+ .mand_unlock_range = smb2_unlock_range,
+ .push_mand_locks = smb2_push_mandatory_locks,
+ .get_lease_key = smb2_get_lease_key,
+ .set_lease_key = smb2_set_lease_key,
+ .new_lease_key = smb2_new_lease_key,
+ .generate_signingkey = generate_smb3signingkey,
+ .calc_signature = smb3_calc_signature,
+ .set_integrity = smb3_set_integrity,
+ .is_read_op = smb21_is_read_op,
+ .set_oplock_level = smb3_set_oplock_level,
+ .create_lease_buf = smb3_create_lease_buf,
+ .parse_lease_buf = smb3_parse_lease_buf,
+ .clone_range = smb2_clone_range,
+ .duplicate_extents = smb2_duplicate_extents,
+/* .validate_negotiate = smb3_validate_negotiate, */ /* not used in 3.11 */
+ .wp_retry_size = smb2_wp_retry_size,
+ .dir_needs_close = smb2_dir_needs_close,
+ .fallocate = smb3_fallocate,
+};
+#endif /* CIFS_SMB311 */
+
struct smb_version_values smb20_values = {
.version_string = SMB20_VERSION_STRING,
.protocol_id = SMB20_PROT_ID,
@@ -1714,3 +1872,25 @@ struct smb_version_values smb302_values = {
.signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
.create_lease_size = sizeof(struct create_lease_v2),
};
+
+#ifdef CONFIG_CIFS_SMB311
+struct smb_version_values smb311_values = {
+ .version_string = SMB311_VERSION_STRING,
+ .protocol_id = SMB311_PROT_ID,
+ .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU,
+ .large_lock_type = 0,
+ .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
+ .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
+ .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
+ .header_size = sizeof(struct smb2_hdr),
+ .max_header_size = MAX_SMB2_HDR_SIZE,
+ .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
+ .lock_cmd = SMB2_LOCK,
+ .cap_unix = 0,
+ .cap_nt_find = SMB2_NT_FIND,
+ .cap_large_files = SMB2_LARGE_FILES,
+ .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
+ .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
+ .create_lease_size = sizeof(struct create_lease_v2),
+};
+#endif /* SMB311 */
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 65cd7a84c8bc..b8b4f08ee094 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -110,7 +110,7 @@ smb2_hdr_assemble(struct smb2_hdr *hdr, __le16 smb2_cmd /* command */ ,
/* GLOBAL_CAP_LARGE_MTU will only be set if dialect > SMB2.02 */
/* See sections 2.2.4 and 3.2.4.1.5 of MS-SMB2 */
- if ((tcon->ses) &&
+ if ((tcon->ses) && (tcon->ses->server) &&
(tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU))
hdr->CreditCharge = cpu_to_le16(1);
/* else CreditCharge MBZ */
@@ -304,6 +304,59 @@ small_smb2_init(__le16 smb2_command, struct cifs_tcon *tcon,
return rc;
}
+#ifdef CONFIG_CIFS_SMB311
+/* offset is sizeof smb2_negotiate_req - 4 but rounded up to 8 bytes */
+#define OFFSET_OF_NEG_CONTEXT 0x68 /* sizeof(struct smb2_negotiate_req) - 4 */
+
+
+#define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1)
+#define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2)
+
+static void
+build_preauth_ctxt(struct smb2_preauth_neg_context *pneg_ctxt)
+{
+ pneg_ctxt->ContextType = SMB2_PREAUTH_INTEGRITY_CAPABILITIES;
+ pneg_ctxt->DataLength = cpu_to_le16(38);
+ pneg_ctxt->HashAlgorithmCount = cpu_to_le16(1);
+ pneg_ctxt->SaltLength = cpu_to_le16(SMB311_SALT_SIZE);
+ get_random_bytes(pneg_ctxt->Salt, SMB311_SALT_SIZE);
+ pneg_ctxt->HashAlgorithms = SMB2_PREAUTH_INTEGRITY_SHA512;
+}
+
+static void
+build_encrypt_ctxt(struct smb2_encryption_neg_context *pneg_ctxt)
+{
+ pneg_ctxt->ContextType = SMB2_ENCRYPTION_CAPABILITIES;
+ pneg_ctxt->DataLength = cpu_to_le16(6);
+ pneg_ctxt->CipherCount = cpu_to_le16(2);
+ pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM;
+ pneg_ctxt->Ciphers[1] = SMB2_ENCRYPTION_AES128_CCM;
+}
+
+static void
+assemble_neg_contexts(struct smb2_negotiate_req *req)
+{
+
+ /* +4 is to account for the RFC1001 len field */
+ char *pneg_ctxt = (char *)req + OFFSET_OF_NEG_CONTEXT + 4;
+
+ build_preauth_ctxt((struct smb2_preauth_neg_context *)pneg_ctxt);
+ /* Add 2 to size to round to 8 byte boundary */
+ pneg_ctxt += 2 + sizeof(struct smb2_preauth_neg_context);
+ build_encrypt_ctxt((struct smb2_encryption_neg_context *)pneg_ctxt);
+ req->NegotiateContextOffset = cpu_to_le32(OFFSET_OF_NEG_CONTEXT);
+ req->NegotiateContextCount = cpu_to_le16(2);
+ inc_rfc1001_len(req, 4 + sizeof(struct smb2_preauth_neg_context) + 2
+ + sizeof(struct smb2_encryption_neg_context)); /* calculate hash */
+}
+#else
+static void assemble_neg_contexts(struct smb2_negotiate_req *req)
+{
+ return;
+}
+#endif /* SMB311 */
+
+
/*
*
* SMB2 Worker functions follow:
@@ -363,10 +416,12 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
/* ClientGUID must be zero for SMB2.02 dialect */
if (ses->server->vals->protocol_id == SMB20_PROT_ID)
memset(req->ClientGUID, 0, SMB2_CLIENT_GUID_SIZE);
- else
+ else {
memcpy(req->ClientGUID, server->client_guid,
SMB2_CLIENT_GUID_SIZE);
-
+ if (ses->server->vals->protocol_id == SMB311_PROT_ID)
+ assemble_neg_contexts(req);
+ }
iov[0].iov_base = (char *)req;
/* 4 for rfc1002 length field */
iov[0].iov_len = get_rfc1002_length(req) + 4;
@@ -393,8 +448,12 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
cifs_dbg(FYI, "negotiated smb3.0 dialect\n");
else if (rsp->DialectRevision == cpu_to_le16(SMB302_PROT_ID))
cifs_dbg(FYI, "negotiated smb3.02 dialect\n");
+#ifdef CONFIG_CIFS_SMB311
+ else if (rsp->DialectRevision == cpu_to_le16(SMB311_PROT_ID))
+ cifs_dbg(FYI, "negotiated smb3.1.1 dialect\n");
+#endif /* SMB311 */
else {
- cifs_dbg(VFS, "Illegal dialect returned by server %d\n",
+ cifs_dbg(VFS, "Illegal dialect returned by server 0x%x\n",
le16_to_cpu(rsp->DialectRevision));
rc = -EIO;
goto neg_exit;
@@ -572,7 +631,7 @@ ssetup_ntlmssp_authenticate:
return rc;
req->hdr.SessionId = 0; /* First session, not a reauthenticate */
- req->VcNumber = 0; /* MBZ */
+ req->Flags = 0; /* MBZ */
/* to enable echos and oplocks */
req->hdr.CreditRequest = cpu_to_le16(3);
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 70867d54fb8b..451108284a2f 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -136,9 +136,6 @@ struct smb2_transform_hdr {
__u64 SessionId;
} __packed;
-/* Encryption Algorithms */
-#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001)
-
/*
* SMB2 flag definitions
*/
@@ -191,7 +188,10 @@ struct smb2_negotiate_req {
__le16 Reserved; /* MBZ */
__le32 Capabilities;
__u8 ClientGUID[SMB2_CLIENT_GUID_SIZE];
- __le64 ClientStartTime; /* MBZ */
+ /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
+ __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
+ __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */
+ __le16 Reserved2;
__le16 Dialects[1]; /* One dialect (vers=) at a time for now */
} __packed;
@@ -200,6 +200,7 @@ struct smb2_negotiate_req {
#define SMB21_PROT_ID 0x0210
#define SMB30_PROT_ID 0x0300
#define SMB302_PROT_ID 0x0302
+#define SMB311_PROT_ID 0x0311
#define BAD_PROT_ID 0xFFFF
/* SecurityMode flags */
@@ -217,12 +218,38 @@ struct smb2_negotiate_req {
#define SMB2_NT_FIND 0x00100000
#define SMB2_LARGE_FILES 0x00200000
+#define SMB311_SALT_SIZE 32
+/* Hash Algorithm Types */
+#define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001)
+
+struct smb2_preauth_neg_context {
+ __le16 ContextType; /* 1 */
+ __le16 DataLength;
+ __le32 Reserved;
+ __le16 HashAlgorithmCount; /* 1 */
+ __le16 SaltLength;
+ __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */
+ __u8 Salt[SMB311_SALT_SIZE];
+} __packed;
+
+/* Encryption Algorithms Ciphers */
+#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001)
+#define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002)
+
+struct smb2_encryption_neg_context {
+ __le16 ContextType; /* 2 */
+ __le16 DataLength;
+ __le32 Reserved;
+ __le16 CipherCount; /* AES-128-GCM and AES-128-CCM */
+ __le16 Ciphers[2]; /* Ciphers[0] since only one used now */
+} __packed;
+
struct smb2_negotiate_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 65 */
__le16 SecurityMode;
__le16 DialectRevision;
- __le16 Reserved; /* MBZ */
+ __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */
__u8 ServerGUID[16];
__le32 Capabilities;
__le32 MaxTransactSize;
@@ -232,14 +259,18 @@ struct smb2_negotiate_rsp {
__le64 ServerStartTime;
__le16 SecurityBufferOffset;
__le16 SecurityBufferLength;
- __le32 Reserved2; /* may be any value, ignore */
+ __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */
__u8 Buffer[1]; /* variable length GSS security buffer */
} __packed;
+/* Flags */
+#define SMB2_SESSION_REQ_FLAG_BINDING 0x01
+#define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04
+
struct smb2_sess_setup_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 25 */
- __u8 VcNumber;
+ __u8 Flags;
__u8 SecurityMode;
__le32 Capabilities;
__le32 Channel;
@@ -274,10 +305,13 @@ struct smb2_logoff_rsp {
__le16 Reserved;
} __packed;
+/* Flags/Reserved for SMB3.1.1 */
+#define SMB2_SHAREFLAG_CLUSTER_RECONNECT 0x0001
+
struct smb2_tree_connect_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 9 */
- __le16 Reserved;
+ __le16 Reserved; /* Flags in SMB3.1.1 */
__le16 PathOffset;
__le16 PathLength;
__u8 Buffer[1]; /* variable length */
@@ -587,6 +621,29 @@ struct copychunk_ioctl_rsp {
__le32 TotalBytesWritten;
} __packed;
+struct fsctl_set_integrity_information_req {
+ __le16 ChecksumAlgorithm;
+ __le16 Reserved;
+ __le32 Flags;
+} __packed;
+
+struct fsctl_get_integrity_information_rsp {
+ __le16 ChecksumAlgorithm;
+ __le16 Reserved;
+ __le32 Flags;
+ __le32 ChecksumChunkSizeInBytes;
+ __le32 ClusterSizeInBytes;
+} __packed;
+
+/* Integrity ChecksumAlgorithm choices for above */
+#define CHECKSUM_TYPE_NONE 0x0000
+#define CHECKSUM_TYPE_CRC64 0x0002
+#define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */
+
+/* Integrity flags for above */
+#define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001
+
+
struct validate_negotiate_info_req {
__le32 Capabilities;
__u8 Guid[SMB2_CLIENT_GUID_SIZE];
@@ -620,6 +677,14 @@ struct compress_ioctl {
__le16 CompressionState; /* See cifspdu.h for possible flag values */
} __packed;
+struct duplicate_extents_to_file {
+ __u64 PersistentFileHandle; /* source file handle, opaque endianness */
+ __u64 VolatileFileHandle;
+ __le64 SourceFileOffset;
+ __le64 TargetFileOffset;
+ __le64 ByteCount; /* Bytes to be copied */
+} __packed;
+
struct smb2_ioctl_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 57 */
diff --git a/fs/cifs/smbfsctl.h b/fs/cifs/smbfsctl.h
index 83efa59535be..a639d0dab453 100644
--- a/fs/cifs/smbfsctl.h
+++ b/fs/cifs/smbfsctl.h
@@ -75,10 +75,13 @@
#define FSCTL_QUERY_SPARING_INFO 0x00090138 /* BB add struct */
#define FSCTL_SET_ZERO_ON_DEALLOC 0x00090194 /* BB add struct */
#define FSCTL_SET_SHORT_NAME_BEHAVIOR 0x000901B4 /* BB add struct */
+#define FSCTL_GET_INTEGRITY_INFORMATION 0x0009027C
#define FSCTL_QUERY_ALLOCATED_RANGES 0x000940CF /* BB add struct */
#define FSCTL_SET_DEFECT_MANAGEMENT 0x00098134 /* BB add struct */
#define FSCTL_FILE_LEVEL_TRIM 0x00098208 /* BB add struct */
+#define FSCTL_DUPLICATE_EXTENTS_TO_FILE 0x00098344
#define FSCTL_SIS_LINK_FILES 0x0009C104
+#define FSCTL_SET_INTEGRITY_INFORMATION 0x0009C280
#define FSCTL_PIPE_PEEK 0x0011400C /* BB add struct */
#define FSCTL_PIPE_TRANSCEIVE 0x0011C017 /* BB add struct */
/* strange that the number for this op is not sequential with previous op */
generated by cgit v1.2.3 (git 2.39.0) at 2025-09-03 03:17:37 +0300