network.h

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2022 Felix Fietkau <nbd@nbd.name>
   4  */
   5 #ifndef __UNETD_NETWORK_H
   6 #define __UNETD_NETWORK_H
   7
   8 #include <netinet/in.h>
   9 #include <libubox/uloop.h>
  10 #include "curve25519.h"
  11
  12 enum network_type {
  13         NETWORK_TYPE_FILE,
  14         NETWORK_TYPE_INLINE,
  15 };
  16
  17 struct wg_ops;
  18 struct network_group;
  19 struct network_host;
  20
  21 struct network {
  22         struct avl_node node;
  23
  24         struct wg wg;
  25
  26         struct {
  27                 struct blob_attr *data;
  28                 enum network_type type;
  29                 int keepalive;
  30                 uint8_t key[CURVE25519_KEY_SIZE];
  31                 uint8_t pubkey[CURVE25519_KEY_SIZE];
  32                 const char *file;
  33                 const char *interface;
  34                 const char *update_cmd;
  35                 const char *domain;
  36                 struct blob_attr *tunnels;
  37                 struct blob_attr *net_data;
  38         } config;
  39
  40         struct {
  41                 union network_addr addr;
  42                 struct network_host *local_host;
  43                 unsigned int keepalive;
  44                 int port;
  45                 int pex_port;
  46                 bool local_host_changed;
  47         } net_config;
  48
  49         int ifindex;
  50         struct network_host *prev_local_host;
  51         struct avl_tree hosts;
  52         struct vlist_tree peers;
  53
  54         struct avl_tree groups;
  55         struct vlist_tree services;
  56
  57         struct uloop_timeout connect_timer;
  58
  59         struct network_pex pex;
  60 };
  61
  62 enum {
  63         NETWORK_ATTR_NAME,
  64         NETWORK_ATTR_TYPE,
  65         NETWORK_ATTR_KEY,
  66         NETWORK_ATTR_FILE,
  67         NETWORK_ATTR_DATA,
  68         NETWORK_ATTR_INTERFACE,
  69         NETWORK_ATTR_UPDATE_CMD,
  70         NETWORK_ATTR_KEEPALIVE,
  71         NETWORK_ATTR_DOMAIN,
  72         NETWORK_ATTR_TUNNELS,
  73         __NETWORK_ATTR_MAX,
  74 };
  75
  76 extern struct avl_tree networks;
  77 extern const struct blobmsg_policy network_policy[__NETWORK_ATTR_MAX];
  78
  79 static inline const char *network_name(struct network *net)
  80 {
  81         return net->node.key;
  82 }
  83
  84 void network_fill_host_addr(union network_addr *addr, uint8_t *key);
  85 void network_free_all(void);
  86
  87 int unetd_network_add(const char *name, struct blob_attr *config);
  88 int unetd_network_remove(const char *name);
  89
  90 #endif