* hfsplus ioctls
*/
+#include <linux/capability.h>
#include <linux/fs.h>
#include <linux/sched.h>
+#include <linux/xattr.h>
+#include <linux/mount.h>
#include <asm/uaccess.h>
#include "hfsplus_fs.h"
case HFSPLUS_IOC_EXT2_GETFLAGS:
flags = 0;
if (HFSPLUS_I(inode).rootflags & HFSPLUS_FLG_IMMUTABLE)
- flags |= EXT2_FLAG_IMMUTABLE; /* EXT2_IMMUTABLE_FL */
+ flags |= FS_IMMUTABLE_FL; /* EXT2_IMMUTABLE_FL */
if (HFSPLUS_I(inode).rootflags & HFSPLUS_FLG_APPEND)
- flags |= EXT2_FLAG_APPEND; /* EXT2_APPEND_FL */
+ flags |= FS_APPEND_FL; /* EXT2_APPEND_FL */
if (HFSPLUS_I(inode).userflags & HFSPLUS_FLG_NODUMP)
- flags |= EXT2_FLAG_NODUMP; /* EXT2_NODUMP_FL */
- return put_user(flags, (int *)arg);
+ flags |= FS_NODUMP_FL; /* EXT2_NODUMP_FL */
+ return put_user(flags, (int __user *)arg);
case HFSPLUS_IOC_EXT2_SETFLAGS: {
- if (IS_RDONLY(inode))
+ if (IS_RDONLY(inode) ||
+ (filp && MNT_IS_RDONLY(filp->f_vfsmnt)))
return -EROFS;
if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER))
return -EACCES;
- if (get_user(flags, (int *)arg))
+ if (get_user(flags, (int __user *)arg))
return -EFAULT;
- if (flags & (EXT2_FLAG_IMMUTABLE|EXT2_FLAG_APPEND) ||
+ if (flags & (FS_IMMUTABLE_FL|FS_APPEND_FL) ||
HFSPLUS_I(inode).rootflags & (HFSPLUS_FLG_IMMUTABLE|HFSPLUS_FLG_APPEND)) {
if (!capable(CAP_LINUX_IMMUTABLE))
return -EPERM;
}
/* don't silently ignore unsupported ext2 flags */
- if (flags & ~(EXT2_FLAG_IMMUTABLE|EXT2_FLAG_APPEND|
- EXT2_FLAG_NODUMP))
+ if (flags & ~(FS_IMMUTABLE_FL|FS_APPEND_FL|FS_NODUMP_FL))
return -EOPNOTSUPP;
- if (flags & EXT2_FLAG_IMMUTABLE) { /* EXT2_IMMUTABLE_FL */
+ if (flags & FS_IMMUTABLE_FL) { /* EXT2_IMMUTABLE_FL */
inode->i_flags |= S_IMMUTABLE;
HFSPLUS_I(inode).rootflags |= HFSPLUS_FLG_IMMUTABLE;
} else {
inode->i_flags &= ~S_IMMUTABLE;
HFSPLUS_I(inode).rootflags &= ~HFSPLUS_FLG_IMMUTABLE;
}
- if (flags & EXT2_FLAG_APPEND) { /* EXT2_APPEND_FL */
+ if (flags & FS_APPEND_FL) { /* EXT2_APPEND_FL */
inode->i_flags |= S_APPEND;
HFSPLUS_I(inode).rootflags |= HFSPLUS_FLG_APPEND;
} else {
inode->i_flags &= ~S_APPEND;
HFSPLUS_I(inode).rootflags &= ~HFSPLUS_FLG_APPEND;
}
- if (flags & EXT2_FLAG_NODUMP) /* EXT2_NODUMP_FL */
+ if (flags & FS_NODUMP_FL) /* EXT2_NODUMP_FL */
HFSPLUS_I(inode).userflags |= HFSPLUS_FLG_NODUMP;
else
HFSPLUS_I(inode).userflags &= ~HFSPLUS_FLG_NODUMP;
- inode->i_ctime = CURRENT_TIME;
+ inode->i_ctime = CURRENT_TIME_SEC;
mark_inode_dirty(inode);
return 0;
}
return -ENOTTY;
}
}
+
+int hfsplus_setxattr(struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags)
+{
+ struct inode *inode = dentry->d_inode;
+ struct hfs_find_data fd;
+ hfsplus_cat_entry entry;
+ struct hfsplus_cat_file *file;
+ int res;
+
+ if (!S_ISREG(inode->i_mode) || HFSPLUS_IS_RSRC(inode))
+ return -EOPNOTSUPP;
+
+ res = hfs_find_init(HFSPLUS_SB(inode->i_sb).cat_tree, &fd);
+ if (res)
+ return res;
+ res = hfsplus_find_cat(inode->i_sb, inode->i_ino, &fd);
+ if (res)
+ goto out;
+ hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
+ sizeof(struct hfsplus_cat_file));
+ file = &entry.file;
+
+ if (!strcmp(name, "hfs.type")) {
+ if (size == 4)
+ memcpy(&file->user_info.fdType, value, 4);
+ else
+ res = -ERANGE;
+ } else if (!strcmp(name, "hfs.creator")) {
+ if (size == 4)
+ memcpy(&file->user_info.fdCreator, value, 4);
+ else
+ res = -ERANGE;
+ } else
+ res = -EOPNOTSUPP;
+ if (!res)
+ hfs_bnode_write(fd.bnode, &entry, fd.entryoffset,
+ sizeof(struct hfsplus_cat_file));
+out:
+ hfs_find_exit(&fd);
+ return res;
+}
+
+ssize_t hfsplus_getxattr(struct dentry *dentry, const char *name,
+ void *value, size_t size)
+{
+ struct inode *inode = dentry->d_inode;
+ struct hfs_find_data fd;
+ hfsplus_cat_entry entry;
+ struct hfsplus_cat_file *file;
+ ssize_t res = 0;
+
+ if (!S_ISREG(inode->i_mode) || HFSPLUS_IS_RSRC(inode))
+ return -EOPNOTSUPP;
+
+ if (size) {
+ res = hfs_find_init(HFSPLUS_SB(inode->i_sb).cat_tree, &fd);
+ if (res)
+ return res;
+ res = hfsplus_find_cat(inode->i_sb, inode->i_ino, &fd);
+ if (res)
+ goto out;
+ hfs_bnode_read(fd.bnode, &entry, fd.entryoffset,
+ sizeof(struct hfsplus_cat_file));
+ }
+ file = &entry.file;
+
+ if (!strcmp(name, "hfs.type")) {
+ if (size >= 4) {
+ memcpy(value, &file->user_info.fdType, 4);
+ res = 4;
+ } else
+ res = size ? -ERANGE : 4;
+ } else if (!strcmp(name, "hfs.creator")) {
+ if (size >= 4) {
+ memcpy(value, &file->user_info.fdCreator, 4);
+ res = 4;
+ } else
+ res = size ? -ERANGE : 4;
+ } else
+ res = -ENODATA;
+out:
+ if (size)
+ hfs_find_exit(&fd);
+ return res;
+}
+
+#define HFSPLUS_ATTRLIST_SIZE (sizeof("hfs.creator")+sizeof("hfs.type"))
+
+ssize_t hfsplus_listxattr(struct dentry *dentry, char *buffer, size_t size)
+{
+ struct inode *inode = dentry->d_inode;
+
+ if (!S_ISREG(inode->i_mode) || HFSPLUS_IS_RSRC(inode))
+ return -EOPNOTSUPP;
+
+ if (!buffer || !size)
+ return HFSPLUS_ATTRLIST_SIZE;
+ if (size < HFSPLUS_ATTRLIST_SIZE)
+ return -ERANGE;
+ strcpy(buffer, "hfs.type");
+ strcpy(buffer + sizeof("hfs.type"), "hfs.creator");
+
+ return HFSPLUS_ATTRLIST_SIZE;
+}