summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--fs/cifs/cifs_dfs_ref.c6
-rw-r--r--fs/cifs/cifsfs.h2
-rw-r--r--fs/cifs/connect.c8
-rw-r--r--fs/cifs/file.c4
-rw-r--r--fs/cifs/readdir.c4
-rw-r--r--fs/cifs/sess.c139
-rw-r--r--fs/cifs/smb2glob.h1
-rw-r--r--fs/cifs/smb2inode.c8
-rw-r--r--fs/cifs/smb2pdu.c16
-rw-r--r--fs/cifs/smb2proto.h2
10 files changed, 121 insertions, 69 deletions
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index 94f2c8a..ec9dbbc 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -151,8 +151,12 @@ char *cifs_compose_mount_options(const char *sb_mountdata,
if (sb_mountdata == NULL)
return ERR_PTR(-EINVAL);
- if (strlen(fullpath) - ref->path_consumed)
+ if (strlen(fullpath) - ref->path_consumed) {
prepath = fullpath + ref->path_consumed;
+ /* skip initial delimiter */
+ if (*prepath == '/' || *prepath == '\\')
+ prepath++;
+ }
*devname = cifs_build_devname(ref->node_name, prepath);
if (IS_ERR(*devname)) {
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index c1e749a..9dcf974 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -134,5 +134,5 @@ extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
extern const struct export_operations cifs_export_ops;
#endif /* CONFIG_CIFS_NFSD_EXPORT */
-#define CIFS_VERSION "2.08"
+#define CIFS_VERSION "2.09"
#endif /* _CIFSFS_H */
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 2e2e0a6..1bb258a 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1196,8 +1196,12 @@ cifs_parse_devname(const char *devname, struct smb_vol *vol)
convert_delimiter(vol->UNC, '\\');
- /* If pos is NULL, or is a bogus trailing delimiter then no prepath */
- if (!*pos++ || !*pos)
+ /* skip any delimiter */
+ if (*pos == '/' || *pos == '\\')
+ pos++;
+
+ /* If pos is NULL then no prepath */
+ if (!*pos)
return 0;
vol->prepath = kstrdup(pos, GFP_KERNEL);
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 9b51d49..f3a9029 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -271,7 +271,7 @@ struct cifsFileInfo *
cifs_new_fileinfo(struct cifs_fid *fid, struct file *file,
struct tcon_link *tlink, __u32 oplock)
{
- struct dentry *dentry = file->f_path.dentry;
+ struct dentry *dentry = file_dentry(file);
struct inode *inode = d_inode(dentry);
struct cifsInodeInfo *cinode = CIFS_I(inode);
struct cifsFileInfo *cfile;
@@ -461,7 +461,7 @@ int cifs_open(struct inode *inode, struct file *file)
tcon = tlink_tcon(tlink);
server = tcon->ses->server;
- full_path = build_path_from_dentry(file->f_path.dentry);
+ full_path = build_path_from_dentry(file_dentry(file));
if (full_path == NULL) {
rc = -ENOMEM;
goto out;
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 867439c..65cf85d 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -303,7 +303,7 @@ initiate_cifs_search(const unsigned int xid, struct file *file)
cifsFile->invalidHandle = true;
cifsFile->srch_inf.endOfSearch = false;
- full_path = build_path_from_dentry(file->f_path.dentry);
+ full_path = build_path_from_dentry(file_dentry(file));
if (full_path == NULL) {
rc = -ENOMEM;
goto error_exit;
@@ -762,7 +762,7 @@ static int cifs_filldir(char *find_entry, struct file *file,
*/
fattr.cf_flags |= CIFS_FATTR_NEED_REVAL;
- cifs_prime_dcache(file->f_path.dentry, &name, &fattr);
+ cifs_prime_dcache(file_dentry(file), &name, &fattr);
ino = cifs_uniqueid_to_ino_t(fattr.cf_uniqueid);
return !dir_emit(ctx, name.name, name.len, ino, fattr.cf_dtype);
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 59727e3..af0ec2d 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -400,19 +400,27 @@ int build_ntlmssp_auth_blob(unsigned char *pbuffer,
sec_blob->LmChallengeResponse.MaximumLength = 0;
sec_blob->NtChallengeResponse.BufferOffset = cpu_to_le32(tmp - pbuffer);
- rc = setup_ntlmv2_rsp(ses, nls_cp);
- if (rc) {
- cifs_dbg(VFS, "Error %d during NTLMSSP authentication\n", rc);
- goto setup_ntlmv2_ret;
+ if (ses->user_name != NULL) {
+ rc = setup_ntlmv2_rsp(ses, nls_cp);
+ if (rc) {
+ cifs_dbg(VFS, "Error %d during NTLMSSP authentication\n", rc);
+ goto setup_ntlmv2_ret;
+ }
+ memcpy(tmp, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
+ ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ tmp += ses->auth_key.len - CIFS_SESS_KEY_SIZE;
+
+ sec_blob->NtChallengeResponse.Length =
+ cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ sec_blob->NtChallengeResponse.MaximumLength =
+ cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ } else {
+ /*
+ * don't send an NT Response for anonymous access
+ */
+ sec_blob->NtChallengeResponse.Length = 0;
+ sec_blob->NtChallengeResponse.MaximumLength = 0;
}
- memcpy(tmp, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
- ses->auth_key.len - CIFS_SESS_KEY_SIZE);
- tmp += ses->auth_key.len - CIFS_SESS_KEY_SIZE;
-
- sec_blob->NtChallengeResponse.Length =
- cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
- sec_blob->NtChallengeResponse.MaximumLength =
- cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
if (ses->domainName == NULL) {
sec_blob->DomainName.BufferOffset = cpu_to_le32(tmp - pbuffer);
@@ -670,20 +678,24 @@ sess_auth_lanman(struct sess_data *sess_data)
pSMB->req.hdr.Flags2 &= ~SMBFLG2_UNICODE;
- /* no capabilities flags in old lanman negotiation */
- pSMB->old_req.PasswordLength = cpu_to_le16(CIFS_AUTH_RESP_SIZE);
-
- /* Calculate hash with password and copy into bcc_ptr.
- * Encryption Key (stored as in cryptkey) gets used if the
- * security mode bit in Negottiate Protocol response states
- * to use challenge/response method (i.e. Password bit is 1).
- */
- rc = calc_lanman_hash(ses->password, ses->server->cryptkey,
- ses->server->sec_mode & SECMODE_PW_ENCRYPT ?
- true : false, lnm_session_key);
-
- memcpy(bcc_ptr, (char *)lnm_session_key, CIFS_AUTH_RESP_SIZE);
- bcc_ptr += CIFS_AUTH_RESP_SIZE;
+ if (ses->user_name != NULL) {
+ /* no capabilities flags in old lanman negotiation */
+ pSMB->old_req.PasswordLength = cpu_to_le16(CIFS_AUTH_RESP_SIZE);
+
+ /* Calculate hash with password and copy into bcc_ptr.
+ * Encryption Key (stored as in cryptkey) gets used if the
+ * security mode bit in Negottiate Protocol response states
+ * to use challenge/response method (i.e. Password bit is 1).
+ */
+ rc = calc_lanman_hash(ses->password, ses->server->cryptkey,
+ ses->server->sec_mode & SECMODE_PW_ENCRYPT ?
+ true : false, lnm_session_key);
+
+ memcpy(bcc_ptr, (char *)lnm_session_key, CIFS_AUTH_RESP_SIZE);
+ bcc_ptr += CIFS_AUTH_RESP_SIZE;
+ } else {
+ pSMB->old_req.PasswordLength = 0;
+ }
/*
* can not sign if LANMAN negotiated so no need
@@ -769,26 +781,31 @@ sess_auth_ntlm(struct sess_data *sess_data)
capabilities = cifs_ssetup_hdr(ses, pSMB);
pSMB->req_no_secext.Capabilities = cpu_to_le32(capabilities);
- pSMB->req_no_secext.CaseInsensitivePasswordLength =
- cpu_to_le16(CIFS_AUTH_RESP_SIZE);
- pSMB->req_no_secext.CaseSensitivePasswordLength =
- cpu_to_le16(CIFS_AUTH_RESP_SIZE);
-
- /* calculate ntlm response and session key */
- rc = setup_ntlm_response(ses, sess_data->nls_cp);
- if (rc) {
- cifs_dbg(VFS, "Error %d during NTLM authentication\n",
- rc);
- goto out;
- }
+ if (ses->user_name != NULL) {
+ pSMB->req_no_secext.CaseInsensitivePasswordLength =
+ cpu_to_le16(CIFS_AUTH_RESP_SIZE);
+ pSMB->req_no_secext.CaseSensitivePasswordLength =
+ cpu_to_le16(CIFS_AUTH_RESP_SIZE);
+
+ /* calculate ntlm response and session key */
+ rc = setup_ntlm_response(ses, sess_data->nls_cp);
+ if (rc) {
+ cifs_dbg(VFS, "Error %d during NTLM authentication\n",
+ rc);
+ goto out;
+ }
- /* copy ntlm response */
- memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
- CIFS_AUTH_RESP_SIZE);
- bcc_ptr += CIFS_AUTH_RESP_SIZE;
- memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
- CIFS_AUTH_RESP_SIZE);
- bcc_ptr += CIFS_AUTH_RESP_SIZE;
+ /* copy ntlm response */
+ memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
+ CIFS_AUTH_RESP_SIZE);
+ bcc_ptr += CIFS_AUTH_RESP_SIZE;
+ memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
+ CIFS_AUTH_RESP_SIZE);
+ bcc_ptr += CIFS_AUTH_RESP_SIZE;
+ } else {
+ pSMB->req_no_secext.CaseInsensitivePasswordLength = 0;
+ pSMB->req_no_secext.CaseSensitivePasswordLength = 0;
+ }
if (ses->capabilities & CAP_UNICODE) {
/* unicode strings must be word aligned */
@@ -878,22 +895,26 @@ sess_auth_ntlmv2(struct sess_data *sess_data)
/* LM2 password would be here if we supported it */
pSMB->req_no_secext.CaseInsensitivePasswordLength = 0;
- /* calculate nlmv2 response and session key */
- rc = setup_ntlmv2_rsp(ses, sess_data->nls_cp);
- if (rc) {
- cifs_dbg(VFS, "Error %d during NTLMv2 authentication\n", rc);
- goto out;
- }
+ if (ses->user_name != NULL) {
+ /* calculate nlmv2 response and session key */
+ rc = setup_ntlmv2_rsp(ses, sess_data->nls_cp);
+ if (rc) {
+ cifs_dbg(VFS, "Error %d during NTLMv2 authentication\n", rc);
+ goto out;
+ }
- memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
- ses->auth_key.len - CIFS_SESS_KEY_SIZE);
- bcc_ptr += ses->auth_key.len - CIFS_SESS_KEY_SIZE;
+ memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
+ ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ bcc_ptr += ses->auth_key.len - CIFS_SESS_KEY_SIZE;
- /* set case sensitive password length after tilen may get
- * assigned, tilen is 0 otherwise.
- */
- pSMB->req_no_secext.CaseSensitivePasswordLength =
- cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ /* set case sensitive password length after tilen may get
+ * assigned, tilen is 0 otherwise.
+ */
+ pSMB->req_no_secext.CaseSensitivePasswordLength =
+ cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ } else {
+ pSMB->req_no_secext.CaseSensitivePasswordLength = 0;
+ }
if (ses->capabilities & CAP_UNICODE) {
if (sess_data->iov[0].iov_len % 2) {
diff --git a/fs/cifs/smb2glob.h b/fs/cifs/smb2glob.h
index bc0bb9c..0ffa180 100644
--- a/fs/cifs/smb2glob.h
+++ b/fs/cifs/smb2glob.h
@@ -44,6 +44,7 @@
#define SMB2_OP_DELETE 7
#define SMB2_OP_HARDLINK 8
#define SMB2_OP_SET_EOF 9
+#define SMB2_OP_RMDIR 10
/* Used when constructing chained read requests. */
#define CHAINED_REQUEST 1
diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c
index 899bbc8..4f0231e 100644
--- a/fs/cifs/smb2inode.c
+++ b/fs/cifs/smb2inode.c
@@ -80,6 +80,10 @@ smb2_open_op_close(const unsigned int xid, struct cifs_tcon *tcon,
* SMB2_open() call.
*/
break;
+ case SMB2_OP_RMDIR:
+ tmprc = SMB2_rmdir(xid, tcon, fid.persistent_fid,
+ fid.volatile_fid);
+ break;
case SMB2_OP_RENAME:
tmprc = SMB2_rename(xid, tcon, fid.persistent_fid,
fid.volatile_fid, (__le16 *)data);
@@ -191,8 +195,8 @@ smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, const char *name,
struct cifs_sb_info *cifs_sb)
{
return smb2_open_op_close(xid, tcon, cifs_sb, name, DELETE, FILE_OPEN,
- CREATE_NOT_FILE | CREATE_DELETE_ON_CLOSE,
- NULL, SMB2_OP_DELETE);
+ CREATE_NOT_FILE,
+ NULL, SMB2_OP_RMDIR);
}
int
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 42e1f44..8f38e33 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2575,6 +2575,22 @@ SMB2_rename(const unsigned int xid, struct cifs_tcon *tcon,
}
int
+SMB2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid)
+{
+ __u8 delete_pending = 1;
+ void *data;
+ unsigned int size;
+
+ data = &delete_pending;
+ size = 1; /* sizeof __u8 */
+
+ return send_set_info(xid, tcon, persistent_fid, volatile_fid,
+ current->tgid, FILE_DISPOSITION_INFORMATION, 1, &data,
+ &size);
+}
+
+int
SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid, __le16 *target_file)
{
diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h
index 4f07dc9..eb2cde2 100644
--- a/fs/cifs/smb2proto.h
+++ b/fs/cifs/smb2proto.h
@@ -141,6 +141,8 @@ extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
extern int SMB2_rename(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid,
__le16 *target_file);
+extern int SMB2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid);
extern int SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid,
__le16 *target_file);
OpenPOWER on IntegriCloud