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 *net_data;
  37         } config;
  38
  39         struct {
  40                 union network_addr addr;
  41                 struct network_host *local_host;
  42                 unsigned int keepalive;
  43                 int port;
  44                 int pex_port;
  45                 bool local_host_changed;
  46         } net_config;
  47
  48         struct network_host *prev_local_host;
  49         struct avl_tree hosts;
  50         struct vlist_tree peers;
  51
  52         struct avl_tree groups;
  53         struct avl_tree services;
  54
  55         struct uloop_timeout connect_timer;
  56
  57         struct network_pex pex;
  58 };
  59
  60 enum {
  61         NETWORK_ATTR_NAME,
  62         NETWORK_ATTR_TYPE,
  63         NETWORK_ATTR_KEY,
  64         NETWORK_ATTR_FILE,
  65         NETWORK_ATTR_DATA,
  66         NETWORK_ATTR_INTERFACE,
  67         NETWORK_ATTR_UPDATE_CMD,
  68         NETWORK_ATTR_KEEPALIVE,
  69         NETWORK_ATTR_DOMAIN,
  70         __NETWORK_ATTR_MAX,
  71 };
  72
  73 extern struct avl_tree networks;
  74 extern const struct blobmsg_policy network_policy[__NETWORK_ATTR_MAX];
  75
  76 static inline const char *network_name(struct network *net)
  77 {
  78         return net->node.key;
  79 }
  80
  81 void network_fill_host_addr(union network_addr *addr, uint8_t *key);
  82 void network_free_all(void);
  83
  84 int unetd_network_add(const char *name, struct blob_attr *config);
  85 int unetd_network_remove(const char *name);
  86
  87 #endif