Esempi in C++ (Cpp) per ext3_xattr_set_handle

Esempio n. 1

/*
 * Set the access or default ACL of an inode.
 *
 * inode->i_mutex: down unless called from ext3_new_inode
 */
static int
ext3_set_acl(handle_t *handle, struct inode *inode, int type,
	     struct posix_acl *acl)
{
	int name_index;
	void *value = NULL;
	size_t size = 0;
	int error;

	if (S_ISLNK(inode->i_mode))
		return -EOPNOTSUPP;

	switch(type) {
		case ACL_TYPE_ACCESS:
			name_index = EXT3_XATTR_INDEX_POSIX_ACL_ACCESS;
			if (acl) {
				mode_t mode = inode->i_mode;
				error = posix_acl_equiv_mode(acl, &mode);
				if (error < 0)
					return error;
				else {
					inode->i_mode = mode;
					inode->i_ctime = CURRENT_TIME_SEC;
					ext3_mark_inode_dirty(handle, inode);
					if (error == 0)
						acl = NULL;
				}
			}
			break;

		case ACL_TYPE_DEFAULT:
			name_index = EXT3_XATTR_INDEX_POSIX_ACL_DEFAULT;
			if (!S_ISDIR(inode->i_mode))
				return acl ? -EACCES : 0;
			break;

		default:
			return -EINVAL;
	}
	if (acl) {
		value = ext3_acl_to_disk(acl, &size);
		if (IS_ERR(value))
			return (int)PTR_ERR(value);
	}

	error = ext3_xattr_set_handle(handle, inode, name_index, "",
				      value, size, 0);

	kfree(value);

	if (!error)
		set_cached_acl(inode, type, acl);

	return error;
}

Esempio n. 2

File: xattr_security.c Progetto: openube/android_kernel_sony_c2305

int ext3_initxattrs(struct inode *inode, const struct xattr *xattr_array,
		    void *fs_info)
{
	const struct xattr *xattr;
	handle_t *handle = fs_info;
	int err = 0;

	for (xattr = xattr_array; xattr->name != NULL; xattr++) {
		err = ext3_xattr_set_handle(handle, inode,
					    EXT3_XATTR_INDEX_SECURITY,
					    xattr->name, xattr->value,
					    xattr->value_len, 0);
		if (err < 0)
			break;
	}
	return err;
}

Esempio n. 3

File: xattr_security.c Progetto: flwh/Alcatel_OT_985_kernel

int
ext3_init_security(handle_t *handle, struct inode *inode, struct inode *dir)
{
	int err;
	size_t len;
	void *value;
	char *name;

	err = security_inode_init_security(inode, dir, &name, &value, &len);
	if (err) {
		if (err == -EOPNOTSUPP)
			return 0;
		return err;
	}
	err = ext3_xattr_set_handle(handle, inode, EXT3_XATTR_INDEX_SECURITY,
				    name, value, len, 0);
	kfree(name);
	kfree(value);
	return err;
}

Esempio n. 4

File: acl.c Progetto: jameshilliard/actiontec_opensrc_mi424wr-rev-e-f_fw-20-10-7-5

/*
 * inode->i_sem: down, or inode is just being initialized
 * BKL: held
 */
static int
ext3_do_set_acl(handle_t *handle, struct inode *inode, int type,
		struct posix_acl *acl)
{
	struct ext3_inode_info *ei = EXT3_I(inode);
	int name_index;
	void *value = NULL;
	size_t size;
	int error;

	if (S_ISLNK(inode->i_mode))
		return -ENODATA;

	switch(type) {
		case ACL_TYPE_ACCESS:
			name_index = EXT3_XATTR_INDEX_POSIX_ACL_ACCESS;
			if (acl) {
				mode_t mode = inode->i_mode;
				error = posix_acl_equiv_mode(acl, &mode);
				if (error < 0)
					return error;
				else {
					inode->i_mode = mode;
					ext3_mark_inode_dirty(handle, inode);
					if (error == 0)
						acl = NULL;
				}
			}
			break;

		case ACL_TYPE_DEFAULT:
			name_index = EXT3_XATTR_INDEX_POSIX_ACL_DEFAULT;
			if (!S_ISDIR(inode->i_mode))
				return acl ? -EACCES : 0;
			break;

		default:
			return -EINVAL;
	}
 	if (acl) {
		if (acl->a_count > EXT3_ACL_MAX_ENTRIES)
			return -EINVAL;
		value = ext3_acl_to_disk(acl, &size);
		if (IS_ERR(value))
			return (int)PTR_ERR(value);
	}

	error = ext3_xattr_set_handle(handle, inode, name_index, "",
				      value, size, 0);

	if (value)
		kfree(value);
	if (!error) {
		switch(type) {
			case ACL_TYPE_ACCESS:
				if (ei->i_acl != EXT3_ACL_NOT_CACHED)
					posix_acl_release(ei->i_acl);
				ei->i_acl = posix_acl_dup(acl);
				break;

			case ACL_TYPE_DEFAULT:
				if (ei->i_default_acl != EXT3_ACL_NOT_CACHED)
					posix_acl_release(ei->i_default_acl);
				ei->i_default_acl = posix_acl_dup(acl);
				break;
		}
	}
	return error;
}