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                 struct blob_attr *auth_connect;
  41                 struct blob_attr *peer_data;
  42         } config;
  43
  44         struct {
  45                 uint64_t hash;
  46                 union network_addr addr;
  47                 struct network_host *local_host;
  48                 unsigned int keepalive;
  49                 int port;
  50                 int pex_port;
  51                 bool local_host_changed;
  52         } net_config;
  53
  54         void *net_data;
  55         size_t net_data_len;
  56         uint64_t net_data_version;
  57         int num_net_queries;
  58
  59         struct uloop_timeout reload_timer;
  60
  61         int ifindex;
  62         struct network_host *prev_local_host;
  63
  64         struct list_head dynamic_peers;
  65         struct avl_tree hosts;
  66         struct vlist_tree peers;
  67
  68         struct avl_tree groups;
  69         struct vlist_tree services;
  70
  71         struct uloop_timeout connect_timer;
  72
  73         struct network_pex pex;
  74 };
  75
  76 enum {
  77         NETWORK_ATTR_NAME,
  78         NETWORK_ATTR_TYPE,
  79         NETWORK_ATTR_KEY,
  80         NETWORK_ATTR_AUTH_KEY,
  81         NETWORK_ATTR_FILE,
  82         NETWORK_ATTR_DATA,
  83         NETWORK_ATTR_INTERFACE,
  84         NETWORK_ATTR_UPDATE_CMD,
  85         NETWORK_ATTR_KEEPALIVE,
  86         NETWORK_ATTR_DOMAIN,
  87         NETWORK_ATTR_TUNNELS,
  88         NETWORK_ATTR_AUTH_CONNECT,
  89         NETWORK_ATTR_PEER_DATA,
  90         __NETWORK_ATTR_MAX,
  91 };
  92
  93 extern struct avl_tree networks;
  94 extern const struct blobmsg_policy network_policy[__NETWORK_ATTR_MAX];
  95
  96 static inline const char *network_name(struct network *net)
  97 {
  98         return net->node.key;
  99 }
 100
 101 void network_fill_host_addr(union network_addr *addr, uint8_t *key);
 102 int network_save_dynamic(struct network *net);
 103 void network_soft_reload(struct network *net);
 104 void network_free_all(void);
 105
 106 int unetd_network_add(const char *name, struct blob_attr *config);
 107 int unetd_network_remove(const char *name);
 108
 109 #endif