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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:40:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:40:19 +0000
commit9f0fc191371843c4fc000a226b0a26b6c059aacd (patch)
tree35f8be3ef04506ac891ad001e8c41e535ae8d01d /fs/smb/client
parentReleasing progress-linux version 6.6.15-2~progress7.99u1. (diff)
downloadlinux-9f0fc191371843c4fc000a226b0a26b6c059aacd.tar.xz
linux-9f0fc191371843c4fc000a226b0a26b6c059aacd.zip
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/smb/client')
-rw-r--r--fs/smb/client/cached_dir.c3
-rw-r--r--fs/smb/client/cifs_debug.c6
-rw-r--r--fs/smb/client/cifsencrypt.c2
-rw-r--r--fs/smb/client/cifsfs.h6
-rw-r--r--fs/smb/client/cifsglob.h42
-rw-r--r--fs/smb/client/cifsproto.h18
-rw-r--r--fs/smb/client/cifssmb.c17
-rw-r--r--fs/smb/client/connect.c54
-rw-r--r--fs/smb/client/dfs.c7
-rw-r--r--fs/smb/client/export.c11
-rw-r--r--fs/smb/client/file.c3
-rw-r--r--fs/smb/client/fs_context.c13
-rw-r--r--fs/smb/client/inode.c3
-rw-r--r--fs/smb/client/ioctl.c1
-rw-r--r--fs/smb/client/link.c20
-rw-r--r--fs/smb/client/namespace.c16
-rw-r--r--fs/smb/client/ntlmssp.h4
-rw-r--r--fs/smb/client/readdir.c15
-rw-r--r--fs/smb/client/sess.c124
-rw-r--r--fs/smb/client/smb1ops.c80
-rw-r--r--fs/smb/client/smb2inode.c55
-rw-r--r--fs/smb/client/smb2ops.c91
-rw-r--r--fs/smb/client/smb2pdu.c28
-rw-r--r--fs/smb/client/smb2proto.h16
-rw-r--r--fs/smb/client/transport.c18
-rw-r--r--fs/smb/client/xattr.c2
26 files changed, 364 insertions, 291 deletions
diff --git a/fs/smb/client/cached_dir.c b/fs/smb/client/cached_dir.c
index d64a306a41..5730c65ffb 100644
--- a/fs/smb/client/cached_dir.c
+++ b/fs/smb/client/cached_dir.c
@@ -151,7 +151,7 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon,
return -EOPNOTSUPP;
ses = tcon->ses;
- server = ses->server;
+ server = cifs_pick_channel(ses);
cfids = tcon->cfids;
if (!server->ops->new_lease_key)
@@ -367,6 +367,7 @@ out:
atomic_inc(&tcon->num_remote_opens);
}
kfree(utf16_path);
+
return rc;
}
diff --git a/fs/smb/client/cifs_debug.c b/fs/smb/client/cifs_debug.c
index 3230ed7ead..60027f5aeb 100644
--- a/fs/smb/client/cifs_debug.c
+++ b/fs/smb/client/cifs_debug.c
@@ -436,6 +436,8 @@ skip_rdma:
if (server->nosharesock)
seq_printf(m, " nosharesock");
+ seq_printf(m, "\nServer capabilities: 0x%x", server->capabilities);
+
if (server->rdma)
seq_printf(m, "\nRDMA ");
seq_printf(m, "\nTCP status: %d Instance: %d"
@@ -767,14 +769,14 @@ static ssize_t name##_write(struct file *file, const char __user *buffer, \
size_t count, loff_t *ppos) \
{ \
int rc; \
- rc = kstrtoint_from_user(buffer, count, 10, & name); \
+ rc = kstrtoint_from_user(buffer, count, 10, &name); \
if (rc) \
return rc; \
return count; \
} \
static int name##_proc_show(struct seq_file *m, void *v) \
{ \
- seq_printf(m, "%d\n", name ); \
+ seq_printf(m, "%d\n", name); \
return 0; \
} \
static int name##_open(struct inode *inode, struct file *file) \
diff --git a/fs/smb/client/cifsencrypt.c b/fs/smb/client/cifsencrypt.c
index ef4c2e3c9f..6322f0f68a 100644
--- a/fs/smb/client/cifsencrypt.c
+++ b/fs/smb/client/cifsencrypt.c
@@ -572,7 +572,7 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash,
len = cifs_strtoUTF16(user, ses->user_name, len, nls_cp);
UniStrupr(user);
} else {
- memset(user, '\0', 2);
+ *(u16 *)user = 0;
}
rc = crypto_shash_update(ses->server->secmech.hmacmd5,
diff --git a/fs/smb/client/cifsfs.h b/fs/smb/client/cifsfs.h
index 41daebd220..3adea10aa9 100644
--- a/fs/smb/client/cifsfs.h
+++ b/fs/smb/client/cifsfs.h
@@ -127,7 +127,7 @@ extern int cifs_symlink(struct mnt_idmap *idmap, struct inode *inode,
struct dentry *direntry, const char *symname);
#ifdef CONFIG_CIFS_XATTR
-extern const struct xattr_handler *cifs_xattr_handlers[];
+extern const struct xattr_handler * const cifs_xattr_handlers[];
extern ssize_t cifs_listxattr(struct dentry *, char *, size_t);
#else
# define cifs_xattr_handlers NULL
@@ -152,6 +152,6 @@ extern const struct export_operations cifs_export_ops;
#endif /* CONFIG_CIFS_NFSD_EXPORT */
/* when changing internal version - update following two lines at same time */
-#define SMB3_PRODUCT_BUILD 45
-#define CIFS_VERSION "2.45"
+#define SMB3_PRODUCT_BUILD 46
+#define CIFS_VERSION "2.46"
#endif /* _CIFSFS_H */
diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h
index 5e32c79f03..462554917e 100644
--- a/fs/smb/client/cifsglob.h
+++ b/fs/smb/client/cifsglob.h
@@ -82,7 +82,7 @@
#define SMB_INTERFACE_POLL_INTERVAL 600
/* maximum number of PDUs in one compound */
-#define MAX_COMPOUND 5
+#define MAX_COMPOUND 7
/*
* Default number of credits to keep available for SMB3.
@@ -205,9 +205,18 @@ struct cifs_open_info_data {
};
};
-#define cifs_open_data_reparse(d) \
- ((d)->reparse_point || \
- (le32_to_cpu((d)->fi.Attributes) & ATTR_REPARSE))
+static inline bool cifs_open_data_reparse(struct cifs_open_info_data *data)
+{
+ struct smb2_file_all_info *fi = &data->fi;
+ u32 attrs = le32_to_cpu(fi->Attributes);
+ bool ret;
+
+ ret = data->reparse_point || (attrs & ATTR_REPARSE);
+ if (ret)
+ attrs |= ATTR_REPARSE;
+ fi->Attributes = cpu_to_le32(attrs);
+ return ret;
+}
static inline void cifs_free_open_info(struct cifs_open_info_data *data)
{
@@ -390,12 +399,17 @@ struct smb_version_operations {
int (*rename_pending_delete)(const char *, struct dentry *,
const unsigned int);
/* send rename request */
- int (*rename)(const unsigned int, struct cifs_tcon *, const char *,
- const char *, struct cifs_sb_info *);
+ int (*rename)(const unsigned int xid,
+ struct cifs_tcon *tcon,
+ struct dentry *source_dentry,
+ const char *from_name, const char *to_name,
+ struct cifs_sb_info *cifs_sb);
/* send create hardlink request */
- int (*create_hardlink)(const unsigned int, struct cifs_tcon *,
- const char *, const char *,
- struct cifs_sb_info *);
+ int (*create_hardlink)(const unsigned int xid,
+ struct cifs_tcon *tcon,
+ struct dentry *source_dentry,
+ const char *from_name, const char *to_name,
+ struct cifs_sb_info *cifs_sb);
/* query symlink target */
int (*query_symlink)(const unsigned int xid,
struct cifs_tcon *tcon,
@@ -1004,6 +1018,8 @@ struct cifs_chan {
__u8 signkey[SMB3_SIGN_KEY_SIZE];
};
+#define CIFS_SES_FLAG_SCALE_CHANNELS (0x1)
+
/*
* Session structure. One of these for each uid session with a particular host
*/
@@ -1036,6 +1052,7 @@ struct cifs_ses {
enum securityEnum sectype; /* what security flavor was specified? */
bool sign; /* is signing required? */
bool domainAuto:1;
+ unsigned int flags;
__u16 session_flags;
__u8 smb3signingkey[SMB3_SIGN_KEY_SIZE];
__u8 smb3encryptionkey[SMB3_ENC_DEC_KEY_SIZE];
@@ -1806,6 +1823,13 @@ static inline bool is_retryable_error(int error)
return false;
}
+static inline bool is_replayable_error(int error)
+{
+ if (error == -EAGAIN || error == -ECONNABORTED)
+ return true;
+ return false;
+}
+
/* cifs_get_writable_file() flags */
#define FIND_WR_ANY 0
diff --git a/fs/smb/client/cifsproto.h b/fs/smb/client/cifsproto.h
index c00f844205..9516f57323 100644
--- a/fs/smb/client/cifsproto.h
+++ b/fs/smb/client/cifsproto.h
@@ -435,16 +435,19 @@ extern int CIFSPOSIXDelFile(const unsigned int xid, struct cifs_tcon *tcon,
int remap_special_chars);
extern int CIFSSMBDelFile(const unsigned int xid, struct cifs_tcon *tcon,
const char *name, struct cifs_sb_info *cifs_sb);
-extern int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
- const char *from_name, const char *to_name,
- struct cifs_sb_info *cifs_sb);
+int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
+ struct dentry *source_dentry,
+ const char *from_name, const char *to_name,
+ struct cifs_sb_info *cifs_sb);
extern int CIFSSMBRenameOpenFile(const unsigned int xid, struct cifs_tcon *tcon,
int netfid, const char *target_name,
const struct nls_table *nls_codepage,
int remap_special_chars);
-extern int CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
- const char *from_name, const char *to_name,
- struct cifs_sb_info *cifs_sb);
+int CIFSCreateHardLink(const unsigned int xid,
+ struct cifs_tcon *tcon,
+ struct dentry *source_dentry,
+ const char *from_name, const char *to_name,
+ struct cifs_sb_info *cifs_sb);
extern int CIFSUnixCreateHardLink(const unsigned int xid,
struct cifs_tcon *tcon,
const char *fromName, const char *toName,
@@ -668,6 +671,9 @@ char *extract_sharename(const char *unc);
int parse_reparse_point(struct reparse_data_buffer *buf,
u32 plen, struct cifs_sb_info *cifs_sb,
bool unicode, struct cifs_open_info_data *data);
+int cifs_sfu_make_node(unsigned int xid, struct inode *inode,
+ struct dentry *dentry, struct cifs_tcon *tcon,
+ const char *full_path, umode_t mode, dev_t dev);
#ifdef CONFIG_CIFS_DFS_UPCALL
static inline int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
diff --git a/fs/smb/client/cifssmb.c b/fs/smb/client/cifssmb.c
index 9ee348e6d1..e9e33b0b3a 100644
--- a/fs/smb/client/cifssmb.c
+++ b/fs/smb/client/cifssmb.c
@@ -2149,10 +2149,10 @@ CIFSSMBFlush(const unsigned int xid, struct cifs_tcon *tcon, int smb_file_id)
return rc;
}
-int
-CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
- const char *from_name, const char *to_name,
- struct cifs_sb_info *cifs_sb)
+int CIFSSMBRename(const unsigned int xid, struct cifs_tcon *tcon,
+ struct dentry *source_dentry,
+ const char *from_name, const char *to_name,
+ struct cifs_sb_info *cifs_sb)
{
int rc = 0;
RENAME_REQ *pSMB = NULL;
@@ -2530,10 +2530,11 @@ createHardLinkRetry:
return rc;
}
-int
-CIFSCreateHardLink(const unsigned int xid, struct cifs_tcon *tcon,
- const char *from_name, const char *to_name,
- struct cifs_sb_info *cifs_sb)
+int CIFSCreateHardLink(const unsigned int xid,
+ struct cifs_tcon *tcon,
+ struct dentry *source_dentry,
+ const char *from_name, const char *to_name,
+ struct cifs_sb_info *cifs_sb)
{
int rc = 0;
NT_RENAME_REQ *pSMB = NULL;
diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c
index 0ed6eb915c..c3d805ecb7 100644
--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -119,6 +119,7 @@ static int reconn_set_ipaddr_from_hostname(struct TCP_Server_Info *server)
static void smb2_query_server_interfaces(struct work_struct *work)
{
int rc;
+ int xid;
struct cifs_tcon *tcon = container_of(work,
struct cifs_tcon,
query_interfaces.work);
@@ -126,7 +127,10 @@ static void smb2_query_server_interfaces(struct work_struct *work)
/*
* query server network interfaces, in case they change
*/
- rc = SMB3_request_interfaces(0, tcon, false);
+ xid = get_xid();
+ rc = SMB3_request_interfaces(xid, tcon, false);
+ free_xid(xid);
+
if (rc) {
if (rc == -EOPNOTSUPP)
return;
@@ -229,6 +233,12 @@ cifs_mark_tcp_ses_conns_for_reconnect(struct TCP_Server_Info *server,
list_for_each_entry_safe(ses, nses, &pserver->smb_ses_list, smb_ses_list) {
/* check if iface is still active */
spin_lock(&ses->chan_lock);
+ if (cifs_ses_get_chan_index(ses, server) ==
+ CIFS_INVAL_CHAN_INDEX) {
+ spin_unlock(&ses->chan_lock);
+ continue;
+ }
+
if (!cifs_chan_is_iface_active(ses, server)) {
spin_unlock(&ses->chan_lock);
cifs_chan_update_iface(ses, server);
@@ -1999,9 +2009,10 @@ cifs_find_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx)
void __cifs_put_smb_ses(struct cifs_ses *ses)
{
- unsigned int rc, xid;
- unsigned int chan_count;
struct TCP_Server_Info *server = ses->server;
+ unsigned int xid;
+ size_t i;
+ int rc;
spin_lock(&ses->ses_lock);
if (ses->ses_status == SES_EXITING) {
@@ -2047,20 +2058,14 @@ void __cifs_put_smb_ses(struct cifs_ses *ses)
list_del_init(&ses->smb_ses_list);
spin_unlock(&cifs_tcp_ses_lock);
- chan_count = ses->chan_count;
-
/* close any extra channels */
- if (chan_count > 1) {
- int i;
-
- for (i = 1; i < chan_count; i++) {
- if (ses->chans[i].iface) {
- kref_put(&ses->chans[i].iface->refcount, release_iface);
- ses->chans[i].iface = NULL;
- }
- cifs_put_tcp_session(ses->chans[i].server, 0);
- ses->chans[i].server = NULL;
+ for (i = 1; i < ses->chan_count; i++) {
+ if (ses->chans[i].iface) {
+ kref_put(&ses->chans[i].iface->refcount, release_iface);
+ ses->chans[i].iface = NULL;
}
+ cifs_put_tcp_session(ses->chans[i].server, 0);
+ ses->chans[i].server = NULL;
}
/* we now account for primary channel in iface->refcount */
@@ -3426,8 +3431,18 @@ int cifs_mount_get_tcon(struct cifs_mount_ctx *mnt_ctx)
* the user on mount
*/
if ((cifs_sb->ctx->wsize == 0) ||
- (cifs_sb->ctx->wsize > server->ops->negotiate_wsize(tcon, ctx)))
- cifs_sb->ctx->wsize = server->ops->negotiate_wsize(tcon, ctx);
+ (cifs_sb->ctx->wsize > server->ops->negotiate_wsize(tcon, ctx))) {
+ cifs_sb->ctx->wsize =
+ round_down(server->ops->negotiate_wsize(tcon, ctx), PAGE_SIZE);
+ /*
+ * in the very unlikely event that the server sent a max write size under PAGE_SIZE,
+ * (which would get rounded down to 0) then reset wsize to absolute minimum eg 4096
+ */
+ if (cifs_sb->ctx->wsize == 0) {
+ cifs_sb->ctx->wsize = PAGE_SIZE;
+ cifs_dbg(VFS, "wsize too small, reset to minimum ie PAGE_SIZE, usually 4096\n");
+ }
+ }
if ((cifs_sb->ctx->rsize == 0) ||
(cifs_sb->ctx->rsize > server->ops->negotiate_rsize(tcon, ctx)))
cifs_sb->ctx->rsize = server->ops->negotiate_rsize(tcon, ctx);
@@ -4216,6 +4231,11 @@ int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const stru
/* only send once per connect */
spin_lock(&tcon->tc_lock);
+
+ /* if tcon is marked for needing reconnect, update state */
+ if (tcon->need_reconnect)
+ tcon->status = TID_NEED_TCON;
+
if (tcon->status == TID_GOOD) {
spin_unlock(&tcon->tc_lock);
return 0;
diff --git a/fs/smb/client/dfs.c b/fs/smb/client/dfs.c
index a8a1d386da..449c598300 100644
--- a/fs/smb/client/dfs.c
+++ b/fs/smb/client/dfs.c
@@ -565,6 +565,11 @@ int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const stru
/* only send once per connect */
spin_lock(&tcon->tc_lock);
+
+ /* if tcon is marked for needing reconnect, update state */
+ if (tcon->need_reconnect)
+ tcon->status = TID_NEED_TCON;
+
if (tcon->status == TID_GOOD) {
spin_unlock(&tcon->tc_lock);
return 0;
@@ -625,8 +630,8 @@ out:
spin_lock(&tcon->tc_lock);
if (tcon->status == TID_IN_TCON)
tcon->status = TID_GOOD;
- spin_unlock(&tcon->tc_lock);
tcon->need_reconnect = false;
+ spin_unlock(&tcon->tc_lock);
}
return rc;
diff --git a/fs/smb/client/export.c b/fs/smb/client/export.c
index 37c28415df..d606e8cbcb 100644
--- a/fs/smb/client/export.c
+++ b/fs/smb/client/export.c
@@ -41,13 +41,12 @@ static struct dentry *cifs_get_parent(struct dentry *dentry)
}
const struct export_operations cifs_export_ops = {
+ .encode_fh = generic_encode_ino32_fh,
.get_parent = cifs_get_parent,
-/* Following five export operations are unneeded so far and can default:
- .get_dentry =
- .get_name =
- .find_exported_dentry =
- .decode_fh =
- .encode_fs = */
+/*
+ * Following export operations are mandatory for NFS export support:
+ * .fh_to_dentry =
+ */
};
#endif /* CONFIG_CIFS_NFSD_EXPORT */
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index 32a8525415..4cbb5487bd 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -175,6 +175,9 @@ cifs_mark_open_files_invalid(struct cifs_tcon *tcon)
/* only send once per connect */
spin_lock(&tcon->tc_lock);
+ if (tcon->need_reconnect)
+ tcon->status = TID_NEED_RECON;
+
if (tcon->status != TID_NEED_RECON) {
spin_unlock(&tcon->tc_lock);
return;
diff --git a/fs/smb/client/fs_context.c b/fs/smb/client/fs_context.c
index a3493da12a..6ecbf48d0f 100644
--- a/fs/smb/client/fs_context.c
+++ b/fs/smb/client/fs_context.c
@@ -210,7 +210,7 @@ cifs_parse_security_flavors(struct fs_context *fc, char *value, struct smb3_fs_c
switch (match_token(value, cifs_secflavor_tokens, args)) {
case Opt_sec_krb5p:
- cifs_errorf(fc, "sec=krb5p is not supported!\n");
+ cifs_errorf(fc, "sec=krb5p is not supported. Use sec=krb5,seal instead\n");
return 1;
case Opt_sec_krb5i:
ctx->sign = true;
@@ -1107,6 +1107,17 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
case Opt_wsize:
ctx->wsize = result.uint_32;
ctx->got_wsize = true;
+ if (ctx->wsize % PAGE_SIZE != 0) {
+ ctx->wsize = round_down(ctx->wsize, PAGE_SIZE);
+ if (ctx->wsize == 0) {
+ ctx->wsize = PAGE_SIZE;
+ cifs_dbg(VFS, "wsize too small, reset to minimum %ld\n", PAGE_SIZE);
+ } else {
+ cifs_dbg(VFS,
+ "wsize rounded down to %d to multiple of PAGE_SIZE %ld\n",
+ ctx->wsize, PAGE_SIZE);
+ }
+ }
break;
case Opt_acregmax:
ctx->acregmax = HZ * result.uint_32;
diff --git a/fs/smb/client/inode.c b/fs/smb/client/inode.c
index 09c5c0f5c9..eb54e48937 100644
--- a/fs/smb/client/inode.c
+++ b/fs/smb/client/inode.c
@@ -2219,7 +2219,8 @@ cifs_do_rename(const unsigned int xid, struct dentry *from_dentry,
return -ENOSYS;
/* try path-based rename first */
- rc = server->ops->rename(xid, tcon, from_path, to_path, cifs_sb);
+ rc = server->ops->rename(xid, tcon, from_dentry,
+ from_path, to_path, cifs_sb);
/*
* Don't bother with rename by filehandle unless file is busy and
diff --git a/fs/smb/client/ioctl.c b/fs/smb/client/ioctl.c
index 73ededa8eb..e2f92c21ff 100644
--- a/fs/smb/client/ioctl.c
+++ b/fs/smb/client/ioctl.c
@@ -143,6 +143,7 @@ static long smb_mnt_get_fsinfo(unsigned int xid, struct cifs_tcon *tcon,
fsinf->version = 1;
fsinf->protocol_id = tcon->ses->server->vals->protocol_id;
+ fsinf->tcon_flags = tcon->Flags;
fsinf->device_characteristics =
le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics);
fsinf->device_type = le32_to_cpu(tcon->fsDevInfo.DeviceType);
diff --git a/fs/smb/client/link.c b/fs/smb/client/link.c
index c66be4904e..3ef34218a7 100644
--- a/fs/smb/client/link.c
+++ b/fs/smb/client/link.c
@@ -42,23 +42,11 @@ symlink_hash(unsigned int link_len, const char *link_str, u8 *md5_hash)
rc = cifs_alloc_hash("md5", &md5);
if (rc)
- goto symlink_hash_err;
+ return rc;
- rc = crypto_shash_init(md5);
- if (rc) {
- cifs_dbg(VFS, "%s: Could not init md5 shash\n", __func__);
- goto symlink_hash_err;
- }
- rc = crypto_shash_update(md5, link_str, link_len);
- if (rc) {
- cifs_dbg(VFS, "%s: Could not update with link_str\n", __func__);
- goto symlink_hash_err;
- }
- rc = crypto_shash_final(md5, md5_hash);
+ rc = crypto_shash_digest(md5, link_str, link_len, md5_hash);
if (rc)
cifs_dbg(VFS, "%s: Could not generate md5 hash\n", __func__);
-
-symlink_hash_err:
cifs_free_hash(&md5);
return rc;
}
@@ -522,8 +510,8 @@ cifs_hardlink(struct dentry *old_file, struct inode *inode,
rc = -ENOSYS;
goto cifs_hl_exit;
}
- rc = server->ops->create_hardlink(xid, tcon, from_name, to_name,
- cifs_sb);
+ rc = server->ops->create_hardlink(xid, tcon, old_file,
+ from_name, to_name, cifs_sb);
if ((rc == -EIO) || (rc == -EINVAL))
rc = -EOPNOTSUPP;
}
diff --git a/fs/smb/client/namespace.c b/fs/smb/client/namespace.c
index a6968573b7..4a517b280f 100644
--- a/fs/smb/client/namespace.c
+++ b/fs/smb/client/namespace.c
@@ -168,6 +168,21 @@ static char *automount_fullpath(struct dentry *dentry, void *page)
return s;
}
+static void fs_context_set_ids(struct smb3_fs_context *ctx)
+{
+ kuid_t uid = current_fsuid();
+ kgid_t gid = current_fsgid();
+
+ if (ctx->multiuser) {
+ if (!ctx->uid_specified)
+ ctx->linux_uid = uid;
+ if (!ctx->gid_specified)
+ ctx->linux_gid = gid;
+ }
+ if (!ctx->cruid_specified)
+ ctx->cred_uid = uid;
+}
+
/*
* Create a vfsmount that we can automount
*/
@@ -205,6 +220,7 @@ static struct vfsmount *cifs_do_automount(struct path *path)
tmp.leaf_fullpath = NULL;
tmp.UNC = tmp.prepath = NULL;
tmp.dfs_root_ses = NULL;
+ fs_context_set_ids(&tmp);
rc = smb3_fs_context_dup(ctx, &tmp);
if (rc) {
diff --git a/fs/smb/client/ntlmssp.h b/fs/smb/client/ntlmssp.h
index 2c5dde2ece..875de43b72 100644
--- a/fs/smb/client/ntlmssp.h
+++ b/fs/smb/client/ntlmssp.h
@@ -133,8 +133,8 @@ typedef struct _AUTHENTICATE_MESSAGE {
SECURITY_BUFFER WorkstationName;
SECURITY_BUFFER SessionKey;
__le32 NegotiateFlags;
- /* SECURITY_BUFFER for version info not present since we
- do not set the version is present flag */
+ struct ntlmssp_version Version;
+ /* SECURITY_BUFFER */
char UserString[];
} __attribute__((packed)) AUTHENTICATE_MESSAGE, *PAUTHENTICATE_MESSAGE;
diff --git a/fs/smb/client/readdir.c b/fs/smb/client/readdir.c
index d30ea2005e..e23cd216bf 100644
--- a/fs/smb/client/readdir.c
+++ b/fs/smb/client/readdir.c
@@ -299,14 +299,16 @@ cifs_dir_info_to_fattr(struct cifs_fattr *fattr, FILE_DIRECTORY_INFO *info,
}
static void cifs_fulldir_info_to_fattr(struct cifs_fattr *fattr,
- SEARCH_ID_FULL_DIR_INFO *info,
+ const void *info,
struct cifs_sb_info *cifs_sb)
{
+ const FILE_FULL_DIRECTORY_INFO *di = info;
+
__dir_info_to_fattr(fattr, info);
- /* See MS-FSCC 2.4.19 FileIdFullDirectoryInformation */
+ /* See MS-FSCC 2.4.14, 2.4.19 */
if (fattr->cf_cifsattrs & ATTR_REPARSE)
- fattr->cf_cifstag = le32_to_cpu(info->EaSize);
+ fattr->cf_cifstag = le32_to_cpu(di->EaSize);
cifs_fill_common_info(fattr, cifs_sb);
}
@@ -420,7 +422,7 @@ ffirst_retry:
} else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) {
cifsFile->srch_inf.info_level = SMB_FIND_FILE_ID_FULL_DIR_INFO;
} else /* not srvinos - BB fixme add check for backlevel? */ {
- cifsFile->srch_inf.info_level = SMB_FIND_FILE_DIRECTORY_INFO;
+ cifsFile->srch_inf.info_level = SMB_FIND_FILE_FULL_DIRECTORY_INFO;
}
search_flags = CIFS_SEARCH_CLOSE_AT_END | CIFS_SEARCH_RETURN_RESUME;
@@ -1014,10 +1016,9 @@ static int cifs_filldir(char *find_entry, struct file *file,
(FIND_FILE_STANDARD_INFO *)find_entry,
cifs_sb);
break;
+ case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
case SMB_FIND_FILE_ID_FULL_DIR_INFO:
- cifs_fulldir_info_to_fattr(&fattr,
- (SEARCH_ID_FULL_DIR_INFO *)find_entry,
- cifs_sb);
+ cifs_fulldir_info_to_fattr(&fattr, find_entry, cifs_sb);
break;
default:
cifs_dir_info_to_fattr(&fattr,
diff --git a/fs/smb/client/sess.c b/fs/smb/client/sess.c
index 62596299a3..94c5d50aa3 100644
--- a/fs/smb/client/sess.c
+++ b/fs/smb/client/sess.c
@@ -75,6 +75,10 @@ cifs_ses_get_chan_index(struct cifs_ses *ses,
{
unsigned int i;
+ /* if the channel is waiting for termination */
+ if (server && server->terminate)
+ return CIFS_INVAL_CHAN_INDEX;
+
for (i = 0; i < ses->chan_count; i++) {
if (ses->chans[i].server == server)
return i;
@@ -84,7 +88,6 @@ cifs_ses_get_chan_index(struct cifs_ses *ses,
if (server)
cifs_dbg(VFS, "unable to get chan index for server: 0x%llx",
server->conn_id);
- WARN_ON(1);
return CIFS_INVAL_CHAN_INDEX;
}
@@ -105,6 +108,7 @@ cifs_chan_clear_in_reconnect(struct cifs_ses *ses,
struct TCP_Server_Info *server)
{
unsigned int chan_index = cifs_ses_get_chan_index(ses, server);
+
if (chan_index == CIFS_INVAL_CHAN_INDEX)
return;
@@ -116,6 +120,7 @@ cifs_chan_in_reconnect(struct cifs_ses *ses,
struct TCP_Server_Info *server)
{
unsigned int chan_index = cifs_ses_get_chan_index(ses, server);
+
if (chan_index == CIFS_INVAL_CHAN_INDEX)
return true; /* err on the safer side */
@@ -127,6 +132,7 @@ cifs_chan_set_need_reconnect(struct cifs_ses *ses,
struct TCP_Server_Info *server)
{
unsigned int chan_index = cifs_ses_get_chan_index(ses, server);
+
if (chan_index == CIFS_INVAL_CHAN_INDEX)
return;
@@ -140,6 +146,7 @@ cifs_chan_clear_need_reconnect(struct cifs_ses *ses,
struct TCP_Server_Info *server)
{
unsigned int chan_index = cifs_ses_get_chan_index(ses, server);
+
if (chan_index == CIFS_INVAL_CHAN_INDEX)
return;
@@ -153,6 +160,7 @@ cifs_chan_needs_reconnect(struct cifs_ses *ses,
struct TCP_Server_Info *server)
{
unsigned int chan_index = cifs_ses_get_chan_index(ses, server);
+
if (chan_index == CIFS_INVAL_CHAN_INDEX)
return true; /* err on the safer side */
@@ -164,6 +172,7 @@ cifs_chan_is_iface_active(struct cifs_ses *ses,
struct TCP_Server_Info *server)
{
unsigned int chan_index = cifs_ses_get_chan_index(ses, server);
+
if (chan_index == CIFS_INVAL_CHAN_INDEX)
return true; /* err on the safer side */
@@ -263,6 +272,8 @@ int cifs_try_adding_channels(struct cifs_ses *ses)
&iface->sockaddr,
rc);
kref_put(&iface->refcount, release_iface);
+ /* failure to add chan should increase weight */
+ iface->weight_fulfilled++;
continue;
}
@@ -326,10 +337,10 @@ cifs_disable_secondary_channels(struct cifs_ses *ses)
if (iface) {
spin_lock(&ses->iface_lock);
- kref_put(&iface->refcount, release_iface);
iface->num_channels--;
if (iface->weight_fulfilled)
iface->weight_fulfilled--;
+ kref_put(&iface->refcount, release_iface);
spin_unlock(&ses->iface_lock);
}
@@ -433,15 +444,21 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server)
cifs_dbg(FYI, "unable to find a suitable iface\n");
}
- if (!chan_index && !iface) {
- cifs_dbg(FYI, "unable to get the interface matching: %pIS\n",
- &ss);
+ if (!iface) {
+ if (!chan_index)
+ cifs_dbg(FYI, "unable to get the interface matching: %pIS\n",
+ &ss);
+ else {
+ cifs_dbg(FYI, "unable to find another interface to replace: %pIS\n",
+ &old_iface->sockaddr);
+ }
+
spin_unlock(&ses->iface_lock);
return 0;
}
/* now drop the ref to the current iface */
- if (old_iface && iface) {
+ if (old_iface) {
cifs_dbg(FYI, "replacing iface: %pIS with %pIS\n",
&old_iface->sockaddr,
&iface->sockaddr);
@@ -453,45 +470,29 @@ cifs_chan_update_iface(struct cifs_ses *ses, struct TCP_Server_Info *server)
iface->weight_fulfilled++;
kref_put(&old_iface->refcount, release_iface);
- } else if (old_iface) {
- cifs_dbg(FYI, "releasing ref to iface: %pIS\n",
- &old_iface->sockaddr);
-
- old_iface->num_channels--;
- if (old_iface->weight_fulfilled)
- old_iface->weight_fulfilled--;
-
- kref_put(&old_iface->refcount, release_iface);
} else if (!chan_index) {
/* special case: update interface for primary channel */
- cifs_dbg(FYI, "referencing primary channel iface: %pIS\n",
- &iface->sockaddr);
- iface->num_channels++;
- iface->weight_fulfilled++;
- } else {
- WARN_ON(!iface);
- cifs_dbg(FYI, "adding new iface: %pIS\n", &iface->sockaddr);
+ if (iface) {
+ cifs_dbg(FYI, "referencing primary channel iface: %pIS\n",
+ &iface->sockaddr);
+ iface->num_channels++;
+ iface->weight_fulfilled++;
+ }
}
spin_unlock(&ses->iface_lock);
- spin_lock(&ses->chan_lock);
- chan_index = cifs_ses_get_chan_index(ses, server);
- if (chan_index == CIFS_INVAL_CHAN_INDEX) {
+ if (iface) {
+ spin_lock(&ses->chan_lock);
+ chan_index = cifs_ses_get_chan_index(ses, server);
+ if (chan_index == CIFS_INVAL_CHAN_INDEX) {
+ spin_unlock(&ses->chan_lock);
+ return 0;
+ }
+
+ ses->chans[chan_index].iface = iface;
spin_unlock(&ses->chan_lock);
- return 0;
}
- ses->chans[chan_index].iface = iface;
-
- /* No iface is found. if secondary chan, drop connection */
- if (!iface && SERVER_IS_CHAN(server))
- ses->chans[chan_index].server = NULL;
-
- spin_unlock(&ses->chan_lock);
-
- if (!iface && SERVER_IS_CHAN(server))
- cifs_put_tcp_session(server, false);
-
return rc;
}
@@ -691,8 +692,7 @@ static __u32 cifs_ssetup_hdr(struct cifs_ses *ses,
/* Now no need to set SMBFLG_CASELESS or obsolete CANONICAL PATH */
- /* BB verify whether signing required on neg or just on auth frame
- (and NTLM case) */
+ /* BB verify whether signing required on neg or just auth frame (and NTLM case) */
capabilities = CAP_LARGE_FILES | CAP_NT_SMBS | CAP_LEVEL_II_OPLOCKS |
CAP_LARGE_WRITE_X | CAP_LARGE_READ_X;
@@ -749,8 +749,10 @@ static void unicode_domain_string(char **pbcc_area, struct cifs_ses *ses,
/* copy domain */
if (ses->domainName == NULL) {
- /* Sending null domain better than using a bogus domain name (as
- we did briefly in 2.6.18) since server will use its default */
+ /*
+ * Sending null domain better than using a bogus domain name (as
+ * we did briefly in 2.6.18) since server will use its default
+ */
*bcc_ptr = 0;
*(bcc_ptr+1) = 0;
bytes_ret = 0;
@@ -769,8 +771,7 @@ static void unicode_ssetup_strings(char **pbcc_area, struct cifs_ses *ses,
char *bcc_ptr = *pbcc_area;
int bytes_ret = 0;
- /* BB FIXME add check that strings total less
- than 335 or will need to send them as arrays */
+ /* BB FIXME add check that strings less than 335 or will need to send as arrays */
/* copy user */
if (ses->user_name == NULL) {
@@ -815,8 +816,7 @@ static void ascii_ssetup_strings(char **pbcc_area, struct cifs_ses *ses,
if (WARN_ON_ONCE(len < 0))
len = CIFS_MAX_DOMAINNAME_LEN - 1;
bcc_ptr += len;
- } /* else we will send a null domain name
- so the server will default to its own domain */
+ } /* else we send a null domain name so server will default to its own domain */
*bcc_ptr = 0;
bcc_ptr++;
@@ -912,11 +912,14 @@ static void decode_ascii_ssetup(char **pbcc_area, __u16 bleft,
if (len > bleft)
return;
- /* No domain field in LANMAN case. Domain is
- returned by old servers in the SMB negprot response */
- /* BB For newer servers which do not support Unicode,
- but thus do return domain here we could add parsing
- for it later, but it is not very important */
+ /*
+ * No domain field in LANMAN case. Domain is
+ * returned by old servers in the SMB negprot response
+ *
+ * BB For newer servers which do not support Unicode,
+ * but thus do return domain here, we could add parsing
+ * for it later, but it is not very important
+ */
cifs_dbg(FYI, "ascii: bytes left %d\n", bleft);
}
#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
@@ -972,9 +975,12 @@ int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len,
ses->ntlmssp->server_flags = server_flags;
memcpy(ses->ntlmssp->cryptkey, pblob->Challenge, CIFS_CRYPTO_KEY_SIZE);
- /* In particular we can examine sign flags */
- /* BB spec says that if AvId field of MsvAvTimestamp is populated then
- we must set the MIC field of the AUTHENTICATE_MESSAGE */
+ /*
+ * In particular we can examine sign flags
+ *
+ * BB spec says that if AvId field of MsvAvTimestamp is populated then
+ * we must set the MIC field of the AUTHENTICATE_MESSAGE
+ */
tioffset = le32_to_cpu(pblob->TargetInfoArray.BufferOffset);
tilen = le16_to_cpu(pblob->TargetInfoArray.Length);
@@ -1215,10 +1221,16 @@ int build_ntlmssp_auth_blob(unsigned char **pbuffer,
memcpy(sec_blob->Signature, NTLMSSP_SIGNATURE, 8);
sec_blob->MessageType = NtLmAuthenticate;
+ /* send version information in ntlmssp authenticate also */
flags = ses->ntlmssp->server_flags | NTLMSSP_REQUEST_TARGET |
- NTLMSSP_NEGOTIATE_TARGET_INFO | NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED;
- /* we only send version information in ntlmssp negotiate, so do not set this flag */
- flags = flags & ~NTLMSSP_NEGOTIATE_VERSION;
+ NTLMSSP_NEGOTIATE_TARGET_INFO | NTLMSSP_NEGOTIATE_VERSION |
+ NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED;
+
+ sec_blob->Version.ProductMajorVersion = LINUX_VERSION_MAJOR;
+ sec_blob->Version.ProductMinorVersion = LINUX_VERSION_PATCHLEVEL;
+ sec_blob->Version.ProductBuild = cpu_to_le16(SMB3_PRODUCT_BUILD);
+ sec_blob->Version.NTLMRevisionCurrent = NTLMSSP_REVISION_W2K3;
+
tmp = *pbuffer + sizeof(AUTHENTICATE_MESSAGE);
sec_blob->NegotiateFlags = cpu_to_le32(flags);
diff --git a/fs/smb/client/smb1ops.c b/fs/smb/client/smb1ops.c
index 64e25233e8..a9eaba8083 100644
--- a/fs/smb/client/smb1ops.c
+++ b/fs/smb/client/smb1ops.c
@@ -1041,15 +1041,7 @@ cifs_make_node(unsigned int xid, struct inode *inode,
{
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
struct inode *newinode = NULL;
- int rc = -EPERM;
- struct cifs_open_info_data buf = {};
- struct cifs_io_parms io_parms;
- __u32 oplock = 0;
- struct cifs_fid fid;
- struct cifs_open_parms oparms;
- unsigned int bytes_written;
- struct win_dev *pdev;
- struct kvec iov[2];
+ int rc;
if (tcon->unix_ext) {
/*
@@ -1083,74 +1075,18 @@ cifs_make_node(unsigned int xid, struct inode *inode,
d_instantiate(dentry, newinode);
return rc;
}
-
/*
- * SMB1 SFU emulation: should work with all servers, but only
- * support block and char device (no socket & fifo)
+ * Check if mounted with mount parm 'sfu' mount parm.
+ * SFU emulation should work with all servers, but only
+ * supports block and char device (no socket & fifo),
+ * and was used by default in earlier versions of Windows
*/
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL))
- return rc;
-
- if (!S_ISCHR(mode) && !S_ISBLK(mode))
- return rc;
-
- cifs_dbg(FYI, "sfu compat create special file\n");
-
- oparms = (struct cifs_open_parms) {
- .tcon = tcon,
- .cifs_sb = cifs_sb,
- .desired_access = GENERIC_WRITE,
- .create_options = cifs_create_options(cifs_sb, CREATE_NOT_DIR |
- CREATE_OPTION_SPECIAL),
- .disposition = FILE_CREATE,
- .path = full_path,
- .fid = &fid,
- };
-
- if (tcon->ses->server->oplocks)
- oplock = REQ_OPLOCK;
- else
- oplock = 0;
- rc = tcon->ses->server->ops->open(xid, &oparms, &oplock, &buf);
- if (rc)
- return rc;
-
- /*
- * BB Do not bother to decode buf since no local inode yet to put
- * timestamps in, but we can reuse it safely.
- */
-
- pdev = (struct win_dev *)&buf.fi;
- io_parms.pid = current->tgid;
- io_parms.tcon = tcon;
- io_parms.offset = 0;
- io_parms.length = sizeof(struct win_dev);
- iov[1].iov_base = &buf.fi;
- iov[1].iov_len = sizeof(struct win_dev);
- if (S_ISCHR(mode)) {
- memcpy(pdev->type, "IntxCHR", 8);
- pdev->major = cpu_to_le64(MAJOR(dev));
- pdev->minor = cpu_to_le64(MINOR(dev));
- rc = tcon->ses->server->ops->sync_write(xid, &fid, &io_parms,
- &bytes_written, iov, 1);
- } else if (S_ISBLK(mode)) {
- memcpy(pdev->type, "IntxBLK", 8);
- pdev->major = cpu_to_le64(MAJOR(dev));
- pdev->minor = cpu_to_le64(MINOR(dev));
- rc = tcon->ses->server->ops->sync_write(xid, &fid, &io_parms,
- &bytes_written, iov, 1);
- }
- tcon->ses->server->ops->close(xid, tcon, &fid);
- d_drop(dentry);
-
- /* FIXME: add code here to set EAs */
-
- cifs_free_open_info(&buf);
- return rc;
+ return -EPERM;
+ return cifs_sfu_make_node(xid, inode, dentry, tcon,
+ full_path, mode, dev);
}
-
-
struct smb_version_operations smb1_operations = {
.send_cancel = send_nt_cancel,
.compare_fids = cifs_compare_fids,
diff --git a/fs/smb/client/smb2inode.c b/fs/smb/client/smb2inode.c
index c94940af5d..6cac0b107a 100644
--- a/fs/smb/client/smb2inode.c
+++ b/fs/smb/client/smb2inode.c
@@ -35,6 +35,18 @@ free_set_inf_compound(struct smb_rqst *rqst)
SMB2_close_free(&rqst[2]);
}
+static inline __u32 file_create_options(struct dentry *dentry)
+{
+ struct cifsInodeInfo *ci;
+
+ if (dentry) {
+ ci = CIFS_I(d_inode(dentry));
+ if (ci->cifsAttrs & ATTR_REPARSE)
+ return OPEN_REPARSE_POINT;
+ }
+ return 0;
+}
+
/*
* note: If cfile is passed, the reference to it is dropped here.
* So make sure that you do not reuse cfile after return from this func.
@@ -781,11 +793,11 @@ smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon, const char *name,
ACL_NO_MODE, NULL, SMB2_OP_DELETE, NULL, NULL, NULL, NULL, NULL);
}
-static int
-smb2_set_path_attr(const unsigned int xid, struct cifs_tcon *tcon,
- const char *from_name, const char *to_name,
- struct cifs_sb_info *cifs_sb, __u32 access, int command,
- struct cifsFileInfo *cfile)
+static int smb2_set_path_attr(const unsigned int xid, struct cifs_tcon *tcon,
+ const char *from_name, const char *to_name,
+ struct cifs_sb_info *cifs_sb,
+ __u32 create_options, __u32 access,
+ int command, struct cifsFileInfo *cfile)
{
__le16 *smb2_to_name = NULL;
int rc;
@@ -796,35 +808,40 @@ smb2_set_path_attr(const unsigned int xid, struct cifs_tcon *tcon,
goto smb2_rename_path;
}
rc = smb2_compound_op(xid, tcon, cifs_sb, from_name, access,
- FILE_OPEN, 0, ACL_NO_MODE, smb2_to_name,
+ FILE_OPEN, create_options, ACL_NO_MODE, smb2_to_name,
command, cfile, NULL, NULL, NULL, NULL);
smb2_rename_path:
kfree(smb2_to_name);
return rc;
}
-int
-smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
- const char *from_name, const char *to_name,
- struct cifs_sb_info *cifs_sb)
+int smb2_rename_path(const unsigned int xid,
+ struct cifs_tcon *tcon,
+ struct dentry *source_dentry,
+ const char *from_name, const char *to_name,
+ struct cifs_sb_info *cifs_sb)
{
struct cifsFileInfo *cfile;
+ __u32 co = file_create_options(source_dentry);
drop_cached_dir_by_name(xid, tcon, from_name, cifs_sb);
cifs_get_writable_path(tcon, from_name, FIND_WR_WITH_DELETE, &cfile);
- return smb2_set_path_attr(xid, tcon, from_name, to_name,
- cifs_sb, DELETE, SMB2_OP_RENAME, cfile);
+ return smb2_set_path_attr(xid, tcon, from_name, to_name, cifs_sb,
+ co, DELETE, SMB2_OP_RENAME, cfile);
}
-int
-smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
- const char *from_name, const char *to_name,
- struct cifs_sb_info *cifs_sb)
+int smb2_create_hardlink(const unsigned int xid,
+ struct cifs_tcon *tcon,
+ struct dentry *source_dentry,
+ const char *from_name, const char *to_name,
+ struct cifs_sb_info *cifs_sb)
{
- return smb2_set_path_attr(xid, tcon, from_name, to_name, cifs_sb,
- FILE_READ_ATTRIBUTES, SMB2_OP_HARDLINK,
- NULL);
+ __u32 co = file_create_options(source_dentry);
+
+ return smb2_set_path_attr(xid, tcon, from_name, to_name,
+ cifs_sb, co, FILE_READ_ATTRIBUTES,
+ SMB2_OP_HARDLINK, NULL);
}
int
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index e33ed0fbc3..ba734395b0 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -619,7 +619,7 @@ parse_server_interfaces(struct network_interface_info_ioctl_rsp *buf,
goto out;
}
- while (bytes_left >= sizeof(*p)) {
+ while (bytes_left >= (ssize_t)sizeof(*p)) {
memset(&tmp_iface, 0, sizeof(tmp_iface));
tmp_iface.speed = le64_to_cpu(p->LinkSpeed);
tmp_iface.rdma_capable = le32_to_cpu(p->Capability & RDMA_CAPABLE) ? 1 : 0;
@@ -5102,41 +5102,24 @@ static int smb2_next_header(struct TCP_Server_Info *server, char *buf,
return 0;
}
-static int
-smb2_make_node(unsigned int xid, struct inode *inode,
- struct dentry *dentry, struct cifs_tcon *tcon,
- const char *full_path, umode_t mode, dev_t dev)
+int cifs_sfu_make_node(unsigned int xid, struct inode *inode,
+ struct dentry *dentry, struct cifs_tcon *tcon,
+ const char *full_path, umode_t mode, dev_t dev)
{
- struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
- int rc = -EPERM;
struct cifs_open_info_data buf = {};
- struct cifs_io_parms io_parms = {0};
- __u32 oplock = 0;
- struct cifs_fid fid;
+ struct TCP_Server_Info *server = tcon->ses->server;
struct cifs_open_parms oparms;
+ struct cifs_io_parms io_parms = {};
+ struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+ struct cifs_fid fid;
unsigned int bytes_written;
struct win_dev *pdev;
struct kvec iov[2];
-
- /*
- * Check if mounted with mount parm 'sfu' mount parm.
- * SFU emulation should work with all servers, but only
- * supports block and char device (no socket & fifo),
- * and was used by default in earlier versions of Windows
- */
- if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL))
- return rc;
-
- /*
- * TODO: Add ability to create instead via reparse point. Windows (e.g.
- * their current NFS server) uses this approach to expose special files
- * over SMB2/SMB3 and Samba will do this with SMB3.1.1 POSIX Extensions
- */
+ __u32 oplock = server->oplocks ? REQ_OPLOCK : 0;
+ int rc;
if (!S_ISCHR(mode) && !S_ISBLK(mode) && !S_ISFIFO(mode))
- return rc;
-
- cifs_dbg(FYI, "sfu compat create special file\n");
+ return -EPERM;
oparms = (struct cifs_open_parms) {
.tcon = tcon,
@@ -5149,11 +5132,7 @@ smb2_make_node(unsigned int xid, struct inode *inode,
.fid = &fid,
};
- if (tcon->ses->server->oplocks)
- oplock = REQ_OPLOCK;
- else
- oplock = 0;
- rc = tcon->ses->server->ops->open(xid, &oparms, &oplock, &buf);
+ rc = server->ops->open(xid, &oparms, &oplock, &buf);
if (rc)
return rc;
@@ -5161,42 +5140,56 @@ smb2_make_node(unsigned int xid, struct inode *inode,
* BB Do not bother to decode buf since no local inode yet to put
* timestamps in, but we can reuse it safely.
*/
-
pdev = (struct win_dev *)&buf.fi;
io_parms.pid = current->tgid;
io_parms.tcon = tcon;
- io_parms.offset = 0;
- io_parms.length = sizeof(struct win_dev);
- iov[1].iov_base = &buf.fi;
- iov[1].iov_len = sizeof(struct win_dev);
+ io_parms.length = sizeof(*pdev);
+ iov[1].iov_base = pdev;
+ iov[1].iov_len = sizeof(*pdev);
if (S_ISCHR(mode)) {
memcpy(pdev->type, "IntxCHR", 8);
pdev->major = cpu_to_le64(MAJOR(dev));
pdev->minor = cpu_to_le64(MINOR(dev));
- rc = tcon->ses->server->ops->sync_write(xid, &fid, &io_parms,
- &bytes_written, iov, 1);
} else if (S_ISBLK(mode)) {
memcpy(pdev->type, "IntxBLK", 8);
pdev->major = cpu_to_le64(MAJOR(dev));
pdev->minor = cpu_to_le64(MINOR(dev));
- rc = tcon->ses->server->ops->sync_write(xid, &fid, &io_parms,
- &bytes_written, iov, 1);
} else if (S_ISFIFO(mode)) {
memcpy(pdev->type, "LnxFIFO", 8);
- pdev->major = 0;
- pdev->minor = 0;
- rc = tcon->ses->server->ops->sync_write(xid, &fid, &io_parms,
- &bytes_written, iov, 1);
}
- tcon->ses->server->ops->close(xid, tcon, &fid);
- d_drop(dentry);
+ rc = server->ops->sync_write(xid, &fid, &io_parms,
+ &bytes_written, iov, 1);
+ server->ops->close(xid, tcon, &fid);
+ d_drop(dentry);
/* FIXME: add code here to set EAs */
-
cifs_free_open_info(&buf);
return rc;
}
+static int smb2_make_node(unsigned int xid, struct inode *inode,
+ struct dentry *dentry, struct cifs_tcon *tcon,
+ const char *full_path, umode_t mode, dev_t dev)
+{
+ struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+
+ /*
+ * Check if mounted with mount parm 'sfu' mount parm.
+ * SFU emulation should work with all servers, but only
+ * supports block and char device (no socket & fifo),
+ * and was used by default in earlier versions of Windows
+ */
+ if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL))
+ return -EPERM;
+ /*
+ * TODO: Add ability to create instead via reparse point. Windows (e.g.
+ * their current NFS server) uses this approach to expose special files
+ * over SMB2/SMB3 and Samba will do this with SMB3.1.1 POSIX Extensions
+ */
+ return cifs_sfu_make_node(xid, inode, dentry, tcon,
+ full_path, mode, dev);
+}
+
#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
struct smb_version_operations smb20_operations = {
.compare_fids = smb2_compare_fids,
diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c
index f5006aa97f..9d34a55fdb 100644
--- a/fs/smb/client/smb2pdu.c
+++ b/fs/smb/client/smb2pdu.c
@@ -178,6 +178,7 @@ cifs_chan_skip_or_disable(struct cifs_ses *ses,
}
ses->chans[chan_index].server = NULL;
+ server->terminate = true;
spin_unlock(&ses->chan_lock);
/*
@@ -188,7 +189,6 @@ cifs_chan_skip_or_disable(struct cifs_ses *ses,
*/
cifs_put_tcp_session(server, from_reconnect);
- server->terminate = true;
cifs_signal_cifsd_for_reconnect(server, false);
/* mark primary server as needing reconnect */
@@ -399,6 +399,15 @@ skip_sess_setup:
goto out;
}
+ spin_lock(&ses->ses_lock);
+ if (ses->flags & CIFS_SES_FLAG_SCALE_CHANNELS) {
+ spin_unlock(&ses->ses_lock);
+ mutex_unlock(&ses->session_mutex);
+ goto skip_add_channels;
+ }
+ ses->flags |= CIFS_SES_FLAG_SCALE_CHANNELS;
+ spin_unlock(&ses->ses_lock);
+
if (!rc &&
(server->capabilities & SMB2_GLOBAL_CAP_MULTI_CHANNEL)) {
mutex_unlock(&ses->session_mutex);
@@ -410,7 +419,7 @@ skip_sess_setup:
rc = SMB3_request_interfaces(xid, tcon, false);
free_xid(xid);
- if (rc == -EOPNOTSUPP) {
+ if (rc == -EOPNOTSUPP && ses->chan_count > 1) {
/*
* some servers like Azure SMB server do not advertise
* that multichannel has been disabled with server
@@ -428,15 +437,22 @@ skip_sess_setup:
if (ses->chan_max > ses->chan_count &&
ses->iface_count &&
!SERVER_IS_CHAN(server)) {
- if (ses->chan_count == 1)
+ if (ses->chan_count == 1) {
cifs_server_dbg(VFS, "supports multichannel now\n");
+ queue_delayed_work(cifsiod_wq, &tcon->query_interfaces,
+ (SMB_INTERFACE_POLL_INTERVAL * HZ));
+ }
cifs_try_adding_channels(ses);
}
} else {
mutex_unlock(&ses->session_mutex);
}
+
skip_add_channels:
+ spin_lock(&ses->ses_lock);
+ ses->flags &= ~CIFS_SES_FLAG_SCALE_CHANNELS;
+ spin_unlock(&ses->ses_lock);
if (smb2_command != SMB2_INTERNAL_CMD)
mod_delayed_work(cifsiod_wq, &server->reconnect, 0);
@@ -5076,6 +5092,9 @@ int SMB2_query_directory_init(const unsigned int xid,
case SMB_FIND_FILE_POSIX_INFO:
req->FileInformationClass = SMB_FIND_FILE_POSIX_INFO;
break;
+ case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
+ req->FileInformationClass = FILE_FULL_DIRECTORY_INFORMATION;
+ break;
default:
cifs_tcon_dbg(VFS, "info level %u isn't supported\n",
info_level);
@@ -5145,6 +5164,9 @@ smb2_parse_query_directory(struct cifs_tcon *tcon,
/* note that posix payload are variable size */
info_buf_size = sizeof(struct smb2_posix_info);
break;
+ case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
+ info_buf_size = sizeof(FILE_FULL_DIRECTORY_INFO);
+ break;
default:
cifs_tcon_dbg(VFS, "info level %u isn't supported\n",
srch_inf->info_level);
diff --git a/fs/smb/client/smb2proto.h b/fs/smb/client/smb2proto.h
index 0e371f7e28..a8084ce7fc 100644
--- a/fs/smb/client/smb2proto.h
+++ b/fs/smb/client/smb2proto.h
@@ -80,12 +80,16 @@ extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
const char *name, struct cifs_sb_info *cifs_sb);
extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon,
const char *name, struct cifs_sb_info *cifs_sb);
-extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
- const char *from_name, const char *to_name,
- struct cifs_sb_info *cifs_sb);
-extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
- const char *from_name, const char *to_name,
- struct cifs_sb_info *cifs_sb);
+int smb2_rename_path(const unsigned int xid,
+ struct cifs_tcon *tcon,
+ struct dentry *source_dentry,
+ const char *from_name, const char *to_name,
+ struct cifs_sb_info *cifs_sb);
+int smb2_create_hardlink(const unsigned int xid,
+ struct cifs_tcon *tcon,
+ struct dentry *source_dentry,
+ const char *from_name, const char *to_name,
+ struct cifs_sb_info *cifs_sb);
extern int smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
struct cifs_sb_info *cifs_sb, const unsigned char *path,
char *pbuf, unsigned int *pbytes_written);
diff --git a/fs/smb/client/transport.c b/fs/smb/client/transport.c
index 4f717ad7c2..994d701934 100644
--- a/fs/smb/client/transport.c
+++ b/fs/smb/client/transport.c
@@ -400,10 +400,17 @@ unmask:
server->conn_id, server->hostname);
}
smbd_done:
- if (rc < 0 && rc != -EINTR)
+ /*
+ * there's hardly any use for the layers above to know the
+ * actual error code here. All they should do at this point is
+ * to retry the connection and hope it goes away.
+ */
+ if (rc < 0 && rc != -EINTR && rc != -EAGAIN) {
cifs_server_dbg(VFS, "Error %d sending data on socket to server\n",
rc);
- else if (rc > 0)
+ rc = -ECONNABORTED;
+ cifs_signal_cifsd_for_reconnect(server, false);
+ } else if (rc > 0)
rc = 0;
out:
cifs_in_send_dec(server);
@@ -428,8 +435,8 @@ smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
if (!(flags & CIFS_TRANSFORM_REQ))
return __smb_send_rqst(server, num_rqst, rqst);
- if (num_rqst > MAX_COMPOUND - 1)
- return -ENOMEM;
+ if (WARN_ON_ONCE(num_rqst > MAX_COMPOUND - 1))
+ return -EIO;
if (!server->ops->init_transform_rq) {
cifs_server_dbg(VFS, "Encryption requested but transform callback is missing\n");
@@ -1026,6 +1033,9 @@ struct TCP_Server_Info *cifs_pick_channel(struct cifs_ses *ses)
if (!server || server->terminate)
continue;
+ if (CIFS_CHAN_NEEDS_RECONNECT(ses, i))
+ continue;
+
/*
* strictly speaking, we should pick up req_lock to read
* server->in_flight. But it shouldn't matter much here if we
diff --git a/fs/smb/client/xattr.c b/fs/smb/client/xattr.c
index c2bf829310..6780aa3e98 100644
--- a/fs/smb/client/xattr.c
+++ b/fs/smb/client/xattr.c
@@ -481,7 +481,7 @@ static const struct xattr_handler smb3_ntsd_full_xattr_handler = {
.set = cifs_xattr_set,
};
-const struct xattr_handler *cifs_xattr_handlers[] = {
+const struct xattr_handler * const cifs_xattr_handlers[] = {
&cifs_user_xattr_handler,
&cifs_os2_xattr_handler,
&cifs_cifs_acl_xattr_handler,