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path: root/fs/cifs/inode.c
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Diffstat (limited to 'fs/cifs/inode.c')
-rw-r--r--fs/cifs/inode.c60
1 files changed, 55 insertions, 5 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 3ad303dd5e5a..eeeaba3dec05 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -339,6 +339,7 @@ cifs_create_dfs_fattr(struct cifs_fattr *fattr, struct super_block *sb)
fattr->cf_flags = CIFS_FATTR_DFS_REFERRAL;
}
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
static int
cifs_get_file_info_unix(struct file *filp)
{
@@ -432,6 +433,14 @@ int cifs_get_inode_info_unix(struct inode **pinode,
cgiiu_exit:
return rc;
}
+#else
+int cifs_get_inode_info_unix(struct inode **pinode,
+ const unsigned char *full_path,
+ struct super_block *sb, unsigned int xid)
+{
+ return -EOPNOTSUPP;
+}
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
static int
cifs_sfu_type(struct cifs_fattr *fattr, const char *path,
@@ -795,6 +804,7 @@ static __u64 simple_hashstr(const char *str)
return hash;
}
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
/**
* cifs_backup_query_path_info - SMB1 fallback code to get ino
*
@@ -847,6 +857,7 @@ cifs_backup_query_path_info(int xid,
*data = (FILE_ALL_INFO *)info.srch_entries_start;
return 0;
}
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
static void
cifs_set_fattr_ino(int xid,
@@ -991,6 +1002,7 @@ cifs_get_inode_info(struct inode **inode,
rc = 0;
break;
case -EACCES:
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
/*
* perm errors, try again with backup flags if possible
*
@@ -1022,6 +1034,9 @@ cifs_get_inode_info(struct inode **inode,
/* nothing we can do, bail out */
goto out;
}
+#else
+ goto out;
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
break;
default:
cifs_dbg(FYI, "%s: unhandled err rc %d\n", __func__, rc);
@@ -1037,8 +1052,9 @@ cifs_get_inode_info(struct inode **inode,
/*
* 4. Tweak fattr based on mount options
*/
-
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
handle_mnt_opt:
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
/* query for SFU type info if supported and needed */
if (fattr.cf_cifsattrs & ATTR_SYSTEM &&
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
@@ -1435,6 +1451,7 @@ cifs_set_file_info(struct inode *inode, struct iattr *attrs, unsigned int xid,
return server->ops->set_file_info(inode, full_path, &info_buf, xid);
}
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
/*
* Open the given file (if it isn't already), set the DELETE_ON_CLOSE bit
* and rename it to a random name that hopefully won't conflict with
@@ -1565,6 +1582,7 @@ undo_setattr:
goto out_close;
}
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
/* copied from fs/nfs/dir.c with small changes */
static void
@@ -1627,6 +1645,7 @@ int cifs_unlink(struct inode *dir, struct dentry *dentry)
}
cifs_close_deferred_file_under_dentry(tcon, full_path);
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
if (cap_unix(tcon->ses) && (CIFS_UNIX_POSIX_PATH_OPS_CAP &
le64_to_cpu(tcon->fsUnixInfo.Capability))) {
rc = CIFSPOSIXDelFile(xid, tcon, full_path,
@@ -1636,6 +1655,7 @@ int cifs_unlink(struct inode *dir, struct dentry *dentry)
if ((rc == 0) || (rc == -ENOENT))
goto psx_del_no_retry;
}
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
retry_std_delete:
if (!server->ops->unlink) {
@@ -1714,9 +1734,11 @@ cifs_mkdir_qinfo(struct inode *parent, struct dentry *dentry, umode_t mode,
if (tcon->posix_extensions)
rc = smb311_posix_get_inode_info(&inode, full_path, parent->i_sb, xid);
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
else if (tcon->unix_ext)
rc = cifs_get_inode_info_unix(&inode, full_path, parent->i_sb,
xid);
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
else
rc = cifs_get_inode_info(&inode, full_path, NULL, parent->i_sb,
xid, NULL);
@@ -1746,6 +1768,7 @@ cifs_mkdir_qinfo(struct inode *parent, struct dentry *dentry, umode_t mode,
if (parent->i_mode & S_ISGID)
mode |= S_ISGID;
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
if (tcon->unix_ext) {
struct cifs_unix_set_info_args args = {
.mode = mode,
@@ -1768,6 +1791,9 @@ cifs_mkdir_qinfo(struct inode *parent, struct dentry *dentry, umode_t mode,
cifs_sb->local_nls,
cifs_remap(cifs_sb));
} else {
+#else
+ {
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
struct TCP_Server_Info *server = tcon->ses->server;
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) &&
(mode & S_IWUGO) == 0 && server->ops->mkdir_setinfo)
@@ -1788,6 +1814,7 @@ cifs_mkdir_qinfo(struct inode *parent, struct dentry *dentry, umode_t mode,
return 0;
}
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
static int
cifs_posix_mkdir(struct inode *inode, struct dentry *dentry, umode_t mode,
const char *full_path, struct cifs_sb_info *cifs_sb,
@@ -1850,6 +1877,7 @@ posix_mkdir_get_info:
xid);
goto posix_mkdir_out;
}
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
int cifs_mkdir(struct user_namespace *mnt_userns, struct inode *inode,
struct dentry *direntry, umode_t mode)
@@ -1892,6 +1920,7 @@ int cifs_mkdir(struct user_namespace *mnt_userns, struct inode *inode,
goto mkdir_out;
}
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
if (cap_unix(tcon->ses) && (CIFS_UNIX_POSIX_PATH_OPS_CAP &
le64_to_cpu(tcon->fsUnixInfo.Capability))) {
rc = cifs_posix_mkdir(inode, direntry, mode, full_path, cifs_sb,
@@ -1899,6 +1928,7 @@ int cifs_mkdir(struct user_namespace *mnt_userns, struct inode *inode,
if (rc != -EOPNOTSUPP)
goto mkdir_out;
}
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
if (!server->ops->mkdir) {
rc = -ENOSYS;
@@ -2015,9 +2045,12 @@ cifs_do_rename(const unsigned int xid, struct dentry *from_dentry,
struct tcon_link *tlink;
struct cifs_tcon *tcon;
struct TCP_Server_Info *server;
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
struct cifs_fid fid;
struct cifs_open_parms oparms;
- int oplock, rc;
+ int oplock;
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
+ int rc;
tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink))
@@ -2043,6 +2076,7 @@ cifs_do_rename(const unsigned int xid, struct dentry *from_dentry,
if (server->vals->protocol_id != 0)
goto do_rename_exit;
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
/* open-file renames don't work across directories */
if (to_dentry->d_parent != from_dentry->d_parent)
goto do_rename_exit;
@@ -2064,6 +2098,7 @@ cifs_do_rename(const unsigned int xid, struct dentry *from_dentry,
cifs_sb->local_nls, cifs_remap(cifs_sb));
CIFSSMBClose(xid, tcon, fid.netfid);
}
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
do_rename_exit:
if (rc == 0)
d_move(from_dentry, to_dentry);
@@ -2081,11 +2116,13 @@ cifs_rename2(struct user_namespace *mnt_userns, struct inode *source_dir,
struct cifs_sb_info *cifs_sb;
struct tcon_link *tlink;
struct cifs_tcon *tcon;
- FILE_UNIX_BASIC_INFO *info_buf_source = NULL;
- FILE_UNIX_BASIC_INFO *info_buf_target;
unsigned int xid;
int rc, tmprc;
int retry_count = 0;
+ FILE_UNIX_BASIC_INFO *info_buf_source = NULL;
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
+ FILE_UNIX_BASIC_INFO *info_buf_target;
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
if (flags & ~RENAME_NOREPLACE)
return -EINVAL;
@@ -2139,6 +2176,7 @@ cifs_rename2(struct user_namespace *mnt_userns, struct inode *source_dir,
if (flags & RENAME_NOREPLACE)
goto cifs_rename_exit;
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
if (rc == -EEXIST && tcon->unix_ext) {
/*
* Are src and dst hardlinks of same inode? We can only tell
@@ -2178,6 +2216,8 @@ cifs_rename2(struct user_namespace *mnt_userns, struct inode *source_dir,
*/
unlink_target:
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
+
/* Try unlinking the target dentry if it's not negative */
if (d_really_is_positive(target_dentry) && (rc == -EACCES || rc == -EEXIST)) {
if (d_is_dir(target_dentry))
@@ -2337,14 +2377,18 @@ int cifs_revalidate_file_attr(struct file *filp)
{
int rc = 0;
struct dentry *dentry = file_dentry(filp);
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
struct cifsFileInfo *cfile = (struct cifsFileInfo *) filp->private_data;
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
if (!cifs_dentry_needs_reval(dentry))
return rc;
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
if (tlink_tcon(cfile->tlink)->unix_ext)
rc = cifs_get_file_info_unix(filp);
else
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
rc = cifs_get_file_info(filp);
return rc;
@@ -2653,6 +2697,7 @@ set_size_out:
return rc;
}
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
static int
cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs)
{
@@ -2800,6 +2845,7 @@ out:
free_xid(xid);
return rc;
}
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
static int
cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs)
@@ -2995,16 +3041,20 @@ cifs_setattr(struct user_namespace *mnt_userns, struct dentry *direntry,
struct iattr *attrs)
{
struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb);
- struct cifs_tcon *pTcon = cifs_sb_master_tcon(cifs_sb);
int rc, retries = 0;
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
+ struct cifs_tcon *pTcon = cifs_sb_master_tcon(cifs_sb);
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
if (unlikely(cifs_forced_shutdown(cifs_sb)))
return -EIO;
do {
+#ifdef CONFIG_CIFS_ALLOW_INSECURE_LEGACY
if (pTcon->unix_ext)
rc = cifs_setattr_unix(direntry, attrs);
else
+#endif /* CONFIG_CIFS_ALLOW_INSECURE_LEGACY */
rc = cifs_setattr_nounix(direntry, attrs);
retries++;
} while (is_retryable_error(rc) && retries < 2);
generated by cgit (git 2.34.1) at 2024-05-13 09:10:18 +0000