2 * Copyright (c) 2009 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Alex Hornung <ahornung@gmail.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #ifndef _VFS_DEVFS_RULES_H_
35 #define _VFS_DEVFS_RULES_H_
38 #include <sys/queue.h>
41 #include <sys/types.h>
44 #define DEVFS_MAX_POLICY_LENGTH 32
48 char mntpoint[255 + 1];
51 char name[DEVFS_MAX_POLICY_LENGTH];
52 char linkname[SPECNAMELEN+1];
54 u_long dev_type; /* Type of device to which the rule applies */
55 u_short mode; /* files access mode and type */
56 uid_t uid; /* owner user id */
57 gid_t gid; /* owner group id */
59 struct devfs_rule *group;
61 TAILQ_ENTRY(devfs_rule) link;
64 #define DEVFS_RULE_NAME 0x01
65 #define DEVFS_RULE_TYPE 0x02
66 #define DEVFS_RULE_LINK 0x04
67 #define DEVFS_RULE_JAIL 0x08
68 #define DEVFS_RULE_HIDE 0x10
69 #define DEVFS_RULE_SHOW 0x20
71 #define DEVFS_RULE_ADD _IOWR('d', 221, struct devfs_rule)
72 #define DEVFS_RULE_APPLY _IOWR('d', 222, struct devfs_rule)
73 #define DEVFS_RULE_CLEAR _IOWR('d', 223, struct devfs_rule)
74 #define DEVFS_RULE_RESET _IOWR('d', 224, struct devfs_rule)
76 #if defined(_KERNEL) || defined(_KERNEL_STRUCTURES)
79 #include <vfs/devfs/devfs.h>
82 TAILQ_HEAD(devfs_rule_head, devfs_rule);
85 int devfs_rule_check_apply(struct devfs_node *);
86 int devfs_rule_check_reverse(struct devfs_node *);
87 int devfs_rule_reset_node(struct devfs_node *);
89 #endif /* _VFS_DEVFS_RULES_H_ */