network.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   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         NETWORK_TYPE_DYNAMIC,
  16 };
  17
  18 struct wg_ops;
  19 struct network_group;
  20 struct network_host;
  21
  22 struct network {
  23         struct avl_node node;
  24
  25         struct wg wg;
  26
  27         struct {
  28                 struct blob_attr *data;
  29                 enum network_type type;
  30                 int keepalive;
  31                 uint8_t key[CURVE25519_KEY_SIZE];
  32                 uint8_t pubkey[CURVE25519_KEY_SIZE];
  33                 uint8_t auth_key[CURVE25519_KEY_SIZE];
  34                 const char *file;
  35                 const char *interface;
  36                 const char *update_cmd;
  37                 const char *domain;
  38                 struct blob_attr *tunnels;
  39                 struct blob_attr *net_data;
  40         } config;
  41
  42         struct {
  43                 union network_addr addr;
  44                 struct network_host *local_host;
  45                 unsigned int keepalive;
  46                 int port;
  47                 int pex_port;
  48                 bool local_host_changed;
  49         } net_config;
  50
  51         void *net_data;
  52         size_t net_data_len;
  53
  54         int ifindex;
  55         struct network_host *prev_local_host;
  56         struct avl_tree hosts;
  57         struct vlist_tree peers;
  58
  59         struct avl_tree groups;
  60         struct vlist_tree services;
  61
  62         struct uloop_timeout connect_timer;
  63
  64         struct network_pex pex;
  65 };
  66
  67 enum {
  68         NETWORK_ATTR_NAME,
  69         NETWORK_ATTR_TYPE,
  70         NETWORK_ATTR_KEY,
  71         NETWORK_ATTR_AUTH_KEY,
  72         NETWORK_ATTR_FILE,
  73         NETWORK_ATTR_DATA,
  74         NETWORK_ATTR_INTERFACE,
  75         NETWORK_ATTR_UPDATE_CMD,
  76         NETWORK_ATTR_KEEPALIVE,
  77         NETWORK_ATTR_DOMAIN,
  78         NETWORK_ATTR_TUNNELS,
  79         __NETWORK_ATTR_MAX,
  80 };
  81
  82 extern struct avl_tree networks;
  83 extern const struct blobmsg_policy network_policy[__NETWORK_ATTR_MAX];
  84
  85 static inline const char *network_name(struct network *net)
  86 {
  87         return net->node.key;
  88 }
  89
  90 void network_fill_host_addr(union network_addr *addr, uint8_t *key);
  91 void network_free_all(void);
  92
  93 int unetd_network_add(const char *name, struct blob_attr *config);
  94 int unetd_network_remove(const char *name);
  95
  96 #endif