ot_accesslist.h

   1 /* This software was written by Dirk Engling <erdgeist@erdgeist.org>
   2    It is considered beerware. Prost. Skol. Cheers or whatever.
   3
   4    $id$ */
   5
   6 #ifndef OT_ACCESSLIST_H__
   7 #define OT_ACCESSLIST_H__
   8
   9 #include "trackerlogic.h"
  10
  11 #if defined(WANT_ACCESSLIST_BLACK) && defined(WANT_ACCESSLIST_WHITE)
  12 #error WANT_ACCESSLIST_BLACK and WANT_ACCESSLIST_WHITE are exclusive.
  13 #endif
  14
  15 #if defined(WANT_ACCESSLIST_BLACK) || defined(WANT_ACCESSLIST_WHITE)
  16 #define WANT_ACCESSLIST
  17 void         accesslist_init(void);
  18 void         accesslist_deinit(void);
  19 int          accesslist_hashisvalid(ot_hash hash);
  20 void         accesslist_cleanup(void);
  21
  22 extern char *g_accesslist_filename;
  23 #ifdef WANT_DYNAMIC_ACCESSLIST
  24 extern char *g_accesslist_pipe_add;
  25 extern char *g_accesslist_pipe_delete;
  26 #endif
  27
  28 #else
  29 #ifdef WANT_DYNAMIC_ACCESSLIST
  30 #error WANT_DYNAMIC_ACCESSLIST needs either WANT_ACCESSLIST_BLACK or WANT_ACCESSLIST_WHITE
  31 #endif
  32
  33 #define accesslist_init(accesslist_filename)
  34 #define accesslist_deinit()
  35 #define accesslist_hashisvalid(hash) 1
  36 #endif
  37
  38 /* Test if an address is subset of an ot_net, return value is considered a bool */
  39 int   address_in_net(const ot_ip6 address, const ot_net *net);
  40
  41 /* Store a value into a vector of struct { ot_net net, uint8_t[x] value } member;
  42    returns NULL
  43      if member_size is too small, or
  44      if one of the nets inside the vector are a subnet of _net_, or
  45      if _net_ is a subnet of one of the nets inside the vector, or
  46      if the vector could not be resized
  47    returns pointer to new member in vector for success
  48    member_size can be sizeof(ot_net) to reduce the lookup to a boolean mapping
  49 */
  50 void *set_value_for_net(const ot_net *net, ot_vector *vector, const void *value, const size_t member_size);
  51
  52 /* Takes a vector filled with struct { ot_net net, uint8_t[x] value } member;
  53    Returns pointer to _member_ associated with the net, or NULL if not found
  54    member_size can be sizeof(ot_net) to reduce the lookup to a boolean mapping
  55 */
  56 void *get_value_for_net(const ot_ip6 address, const ot_vector *vector, const size_t member_size);
  57
  58 #ifdef WANT_IP_FROM_PROXY
  59 int proxylist_add_network(const ot_net *proxy, const ot_net *net);
  60 int proxylist_check_network(const ot_ip6 *proxy, const ot_ip6 address /* can be NULL to only check proxy */);
  61 #endif
  62
  63 #ifdef WANT_FULLLOG_NETWORKS
  64 typedef struct ot_log ot_log;
  65 struct ot_log {
  66   ot_ip6   ip;
  67   uint8_t *data;
  68   size_t   size;
  69   ot_time  time;
  70   ot_log  *next;
  71 };
  72 extern ot_log *g_logchain_first, *g_logchain_last;
  73
  74 void           loglist_add_network(const ot_net *net);
  75 void           loglist_reset();
  76 int            loglist_check_address(const ot_ip6 address);
  77 #endif
  78
  79 typedef enum {
  80   OT_PERMISSION_MAY_FULLSCRAPE = 0x1,
  81   OT_PERMISSION_MAY_STAT       = 0x2,
  82   OT_PERMISSION_MAY_LIVESYNC   = 0x4,
  83   OT_PERMISSION_MAY_PROXY      = 0x8
  84 } ot_permissions;
  85
  86 int accesslist_bless_net(ot_net *net, ot_permissions permissions);
  87 int accesslist_is_blessed(ot_ip6 ip, ot_permissions permissions);
  88
  89 #endif