patch-2.4.25 linux-2.4.25/fs/smbfs/dir.c

• Lines: 130
• Date: 2004-02-18 05:36:31.000000000 -0800
• Orig file: linux-2.4.24/fs/smbfs/dir.c
• Orig date: 2001-10-02 17:03:34.000000000 -0700

diff -urN linux-2.4.24/fs/smbfs/dir.c linux-2.4.25/fs/smbfs/dir.c
@@ -30,6 +30,8 @@
 static int smb_unlink(struct inode *, struct dentry *);
 static int smb_rename(struct inode *, struct dentry *,
 		      struct inode *, struct dentry *);
+static int smb_make_node(struct inode *,struct dentry *, int, int);
+static int smb_link(struct dentry *, struct inode *, struct dentry *);
 
 struct file_operations smb_dir_operations =
 {
@@ -51,6 +53,21 @@
 	setattr:	smb_notify_change,
 };
 
+struct inode_operations smb_dir_inode_operations_unix =
+{
+	create:		smb_create,
+	lookup:		smb_lookup,
+	unlink:		smb_unlink,
+	mkdir:		smb_mkdir,
+	rmdir:		smb_rmdir,
+	rename:		smb_rename,
+	revalidate:	smb_revalidate_inode,
+	setattr:	smb_notify_change,
+	symlink:	smb_symlink,
+	mknod:		smb_make_node,
+	link:		smb_link,
+};
+
 /*
  * Read a directory, using filldir to fill the dirent memory.
  * smb_proc_readdir does the actual reading from the smb server.
@@ -188,7 +205,7 @@
 	ctl.filled = 0;
 	ctl.valid  = 1;
 read_really:
-	result = smb_proc_readdir(filp, dirent, filldir, &ctl);
+	result = server->ops->readdir(filp, dirent, filldir, &ctl);
 	if (ctl.idx == -1)
 		goto invalid_cache;	/* retry */
 	ctl.head.end = ctl.fpos - 1;
@@ -477,14 +494,22 @@
 static int
 smb_create(struct inode *dir, struct dentry *dentry, int mode)
 {
+	struct smb_sb_info *server = server_from_dentry(dentry);
 	__u16 fileid;
 	int error;
+	struct iattr attr;
 
 	VERBOSE("creating %s/%s, mode=%d\n", DENTRY_PATH(dentry), mode);
 
 	smb_invalid_dir_cache(dir);
 	error = smb_proc_create(dentry, 0, CURRENT_TIME, &fileid);
 	if (!error) {
+		if (server->opt.capabilities & SMB_CAP_UNIX) {
+			/* Set attributes for new file */
+			attr.ia_valid = ATTR_MODE;
+			attr.ia_mode = mode;
+			error = smb_proc_setattr_unix(dentry, &attr, 0, 0);
+		}
 		error = smb_instantiate(dentry, fileid, 1);
 	} else {
 		PARANOIA("%s/%s failed, error=%d\n",
@@ -497,11 +522,19 @@
 static int
 smb_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 {
+	struct smb_sb_info *server = server_from_dentry(dentry);
 	int error;
+	struct iattr attr;
 
 	smb_invalid_dir_cache(dir);
 	error = smb_proc_mkdir(dentry);
 	if (!error) {
+		if (server->opt.capabilities & SMB_CAP_UNIX) {
+			/* Set attributes for new directory */
+			attr.ia_valid = ATTR_MODE;
+			attr.ia_mode = mode;
+			error = smb_proc_setattr_unix(dentry, &attr, 0, 0);
+		}
 		error = smb_instantiate(dentry, 0, 0);
 	}
 	return error;
@@ -583,3 +616,46 @@
 out:
 	return error;
 }
+
+/*
+ * FIXME: samba servers won't let you create device nodes unless uid/gid
+ * matches the connection credentials (and we don't know which those are ...)
+ */
+static int
+smb_make_node(struct inode *dir, struct dentry *dentry, int mode, int dev)
+{
+	int error;
+	struct iattr attr;
+
+	attr.ia_valid = ATTR_MODE | ATTR_UID | ATTR_GID;
+	attr.ia_mode = mode;
+	attr.ia_uid = current->euid;
+	attr.ia_gid = current->egid;
+
+	smb_invalid_dir_cache(dir);
+	error = smb_proc_setattr_unix(dentry, &attr, MAJOR(dev), MINOR(dev));
+	if (!error) {
+		error = smb_instantiate(dentry, 0, 0);
+	}
+	return error;
+}
+
+/*
+ * dentry = existing file
+ * new_dentry = new file
+ */
+static int
+smb_link(struct dentry *dentry, struct inode *dir, struct dentry *new_dentry)
+{
+	int error;
+
+	DEBUG1("smb_link old=%s/%s new=%s/%s\n",
+	       DENTRY_PATH(dentry), DENTRY_PATH(new_dentry));
+	smb_invalid_dir_cache(dir);
+	error = smb_proc_link(server_from_dentry(dentry), dentry, new_dentry);
+	if (!error) {
+		smb_renew_times(dentry);
+		error = smb_instantiate(new_dentry, 0, 0);
+	}
+	return error;
+}