dir.c (a09f99eddef44035ec764075a37bace8181bec38) dir.c (5e940c1dd3c1f7561924954eecee956ec277a79b)
1/*
2 FUSE: Filesystem in Userspace
3 Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu>
4
5 This program can be distributed under the terms of the GNU GPL.
6 See the file COPYING.
7*/
8

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1698
1699 clear_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
1700 return err;
1701}
1702
1703static int fuse_setattr(struct dentry *entry, struct iattr *attr)
1704{
1705 struct inode *inode = d_inode(entry);
1/*
2 FUSE: Filesystem in Userspace
3 Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu>
4
5 This program can be distributed under the terms of the GNU GPL.
6 See the file COPYING.
7*/
8

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1698
1699 clear_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
1700 return err;
1701}
1702
1703static int fuse_setattr(struct dentry *entry, struct iattr *attr)
1704{
1705 struct inode *inode = d_inode(entry);
1706 struct fuse_conn *fc = get_fuse_conn(inode);
1706 struct file *file = (attr->ia_valid & ATTR_FILE) ? attr->ia_file : NULL;
1707 int ret;
1708
1709 if (!fuse_allow_current_process(get_fuse_conn(inode)))
1710 return -EACCES;
1711
1712 if (attr->ia_valid & (ATTR_KILL_SUID | ATTR_KILL_SGID)) {
1707 struct file *file = (attr->ia_valid & ATTR_FILE) ? attr->ia_file : NULL;
1708 int ret;
1709
1710 if (!fuse_allow_current_process(get_fuse_conn(inode)))
1711 return -EACCES;
1712
1713 if (attr->ia_valid & (ATTR_KILL_SUID | ATTR_KILL_SGID)) {
1713 int kill;
1714
1715 attr->ia_valid &= ~(ATTR_KILL_SUID | ATTR_KILL_SGID |
1716 ATTR_MODE);
1714 attr->ia_valid &= ~(ATTR_KILL_SUID | ATTR_KILL_SGID |
1715 ATTR_MODE);
1716
1717 /*
1717 /*
1718 * ia_mode calculation may have used stale i_mode. Refresh and
1719 * recalculate.
1718 * The only sane way to reliably kill suid/sgid is to do it in
1719 * the userspace filesystem
1720 *
1721 * This should be done on write(), truncate() and chown().
1720 */
1722 */
1721 ret = fuse_do_getattr(inode, NULL, file);
1722 if (ret)
1723 return ret;
1723 if (!fc->handle_killpriv) {
1724 int kill;
1724
1725
1725 attr->ia_mode = inode->i_mode;
1726 kill = should_remove_suid(entry);
1727 if (kill & ATTR_KILL_SUID) {
1728 attr->ia_valid |= ATTR_MODE;
1729 attr->ia_mode &= ~S_ISUID;
1726 /*
1727 * ia_mode calculation may have used stale i_mode.
1728 * Refresh and recalculate.
1729 */
1730 ret = fuse_do_getattr(inode, NULL, file);
1731 if (ret)
1732 return ret;
1733
1734 attr->ia_mode = inode->i_mode;
1735 kill = should_remove_suid(entry);
1736 if (kill & ATTR_KILL_SUID) {
1737 attr->ia_valid |= ATTR_MODE;
1738 attr->ia_mode &= ~S_ISUID;
1739 }
1740 if (kill & ATTR_KILL_SGID) {
1741 attr->ia_valid |= ATTR_MODE;
1742 attr->ia_mode &= ~S_ISGID;
1743 }
1730 }
1744 }
1731 if (kill & ATTR_KILL_SGID) {
1732 attr->ia_valid |= ATTR_MODE;
1733 attr->ia_mode &= ~S_ISGID;
1734 }
1735 }
1736 if (!attr->ia_valid)
1737 return 0;
1738
1739 ret = fuse_do_setattr(inode, attr, file);
1740 if (!ret) {
1741 /* Directory mode changed, may need to revalidate access */
1742 if (d_is_dir(entry) && (attr->ia_valid & ATTR_MODE))

--- 84 unchanged lines hidden --- 		1745 }
1746 if (!attr->ia_valid)
1747 return 0;
1748
1749 ret = fuse_do_setattr(inode, attr, file);
1750 if (!ret) {
1751 /* Directory mode changed, may need to revalidate access */
1752 if (d_is_dir(entry) && (attr->ia_valid & ATTR_MODE))

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