patch-2.3.48 linux/fs/ufs/acl.c
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- Lines: 69
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.3.47/linux/fs/ufs/acl.c
- Orig date:
Mon Jan 4 11:51:29 1999
diff -u --recursive --new-file v2.3.47/linux/fs/ufs/acl.c linux/fs/ufs/acl.c
@@ -1,68 +0,0 @@
-/*
- * linux/fs/ufs/acl.c
- *
- * Copyright (C) 1998
- * Daniel Pirkl <daniel.pirkl@email.cz>
- * Charles University, Faculty of Mathematics and Physics
- *
- * from
- *
- * linux/fs/ext2/acl.c
- *
- * Copyright (C) 1993, 1994, 1995
- * Remy Card (card@masi.ibp.fr)
- * Laboratoire MASI - Institut Blaise Pascal
- * Universite Pierre et Marie Curie (Paris VI)
- */
-
-/*
- * This file will contain the Access Control Lists management for UFS
- */
-
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/ufs_fs.h>
-#include <linux/sched.h>
-#include <linux/stat.h>
-
-/*
- * ufs_permission ()
- *
- * Check for access rights
- */
-int ufs_permission (struct inode * inode, int mask)
-{
- unsigned short mode = inode->i_mode;
-
- /*
- * Nobody gets write access to a file on a readonly-fs
- */
- if ((mask & S_IWOTH) &&
- (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)) &&
- IS_RDONLY(inode))
- return -EROFS;
- /*
- * Nobody gets write access to an immutable file
- */
- if ((mask & S_IWOTH) && IS_IMMUTABLE(inode))
- return -EACCES;
-
- /*
- * If no ACL, checks using the file mode
- */
- else if (current->fsuid == inode->i_uid)
- mode >>= 6;
- else if (in_group_p (inode->i_gid))
- mode >>= 3;
- /*
- * Access is always granted for root. We now check last,
- * though, for BSD process accounting correctness
- */
- if (((mode & mask & S_IRWXO) == mask) || capable(CAP_DAC_OVERRIDE))
- return 0;
- if ((mask == S_IROTH) ||
- (S_ISDIR(mode) && !(mask & ~(S_IROTH | S_IXOTH))))
- if (capable(CAP_DAC_READ_SEARCH))
- return 0;
- return -EACCES;
-}
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