patch-2.0.1 linux/fs/sysv/namei.c

• Lines: 37
• Date: Wed Jul 3 12:06:03 1996
• Orig file: v2.0.0/linux/fs/sysv/namei.c
• Orig date: Wed Nov 8 12:36:10 1995

diff -u --recursive --new-file v2.0.0/linux/fs/sysv/namei.c linux/fs/sysv/namei.c
@@ -668,7 +668,7 @@
  * higher-level routines.
  */
 static int do_sysv_rename(struct inode * old_dir, const char * old_name, int old_len,
-	struct inode * new_dir, const char * new_name, int new_len)
+	struct inode * new_dir, const char * new_name, int new_len, int must_be_dir)
 {
 	struct inode * old_inode, * new_inode;
 	struct buffer_head * old_bh, * new_bh, * dir_bh;
@@ -694,6 +694,8 @@
 	old_inode = __iget(old_dir->i_sb, old_de->inode, 0); /* don't cross mnt-points */
 	if (!old_inode)
 		goto end_rename;
+	if (must_be_dir && !S_ISDIR(old_inode->i_mode))
+		goto end_rename;
 	retval = -EPERM;
 	if ((old_dir->i_mode & S_ISVTX) && 
 	    current->fsuid != old_inode->i_uid &&
@@ -808,7 +810,8 @@
  * as they are on different partitions.
  */
 int sysv_rename(struct inode * old_dir, const char * old_name, int old_len,
-	struct inode * new_dir, const char * new_name, int new_len)
+	struct inode * new_dir, const char * new_name, int new_len,
+	int must_be_dir)
 {
 	static struct wait_queue * wait = NULL;
 	static int lock = 0;
@@ -818,7 +821,7 @@
 		sleep_on(&wait);
 	lock = 1;
 	result = do_sysv_rename(old_dir, old_name, old_len,
-		new_dir, new_name, new_len);
+		new_dir, new_name, new_len, must_be_dir);
 	lock = 0;
 	wake_up(&wait);
 	return result;