src/xt_user.h

   1 /*
   2  * Lightweight Autonomic Network Architecture
   3  *
   4  * Copyright 2011 Daniel Borkmann <dborkma@tik.ee.ethz.ch>,
   5  * Swiss federal institute of technology (ETH Zurich)
   6  * Subject to the GPL.
   7  */
   8
   9 #ifndef XT_USER_H
  10 #define XT_USER_H
  11
  12 #include <linux/types.h>
  13
  14 #include "xt_vlink.h"
  15 #include "xt_fblock.h"
  16
  17 #define NETLINK_USERCTL 24
  18
  19 enum userctl_groups {
  20         USERCTLGRP_NONE = VLINKNLGRP_MAX, /* Reserved */
  21 #define USERCTLGRP_NONE         USERCTLGRP_NONE
  22         USERCTLGRP_CONF,
  23 #define USERCTLGRP_CONF         USERCTLGRP_CONF
  24          __USERCTLGRP_MAX
  25 };
  26
  27 #define USERCTLGRP_MAX          (__USERCTLGRP_MAX - 1)
  28 #define USERCTL_BUF_LEN         1500
  29
  30 #define NETLINK_USERCTL_CMD_ADD         1
  31 #define NETLINK_USERCTL_CMD_SET         2
  32 #define NETLINK_USERCTL_CMD_RM          3
  33 #define NETLINK_USERCTL_CMD_BIND        4
  34 #define NETLINK_USERCTL_CMD_UNBIND      5
  35
  36 struct lananlmsg_add {
  37         char name[FBNAMSIZ];
  38         char type[TYPNAMSIZ];
  39 };
  40
  41 struct lananlmsg_rm {
  42         char name[FBNAMSIZ];
  43 };
  44
  45 struct lananlmsg_set {
  46         char name[FBNAMSIZ];
  47         /* 0-terminated string, e.g. "myip=192.168.1.111" */
  48         char option[USERCTL_BUF_LEN - FBNAMSIZ];
  49 };
  50
  51 struct lananlmsg_bind {
  52         char name1[FBNAMSIZ];
  53         char name2[FBNAMSIZ];
  54 };
  55
  56 struct lananlmsg_unbind {
  57         char name1[FBNAMSIZ];
  58         char name2[FBNAMSIZ];
  59 };
  60
  61 struct lananlmsg_replace {
  62         char name1[FBNAMSIZ];
  63         char name2[FBNAMSIZ];
  64         int drop_priv;
  65 };
  66
  67 struct lananlmsg_subscribe {
  68         char name1[FBNAMSIZ];
  69         char name2[FBNAMSIZ];
  70 };
  71
  72 struct lananlmsg_unsubscribe {
  73         char name1[FBNAMSIZ];
  74         char name2[FBNAMSIZ];
  75 };
  76
  77 extern int init_userctl_system(void);
  78 extern void cleanup_userctl_system(void);
  79
  80 struct lananlmsg {
  81         uint32_t cmd;
  82         uint8_t buff[USERCTL_BUF_LEN];
  83 };
  84
  85 #endif /* XT_USER_H */
  86