diff options
Diffstat (limited to 'server/RouteController.h')
| -rw-r--r-- | server/RouteController.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/server/RouteController.h b/server/RouteController.h index ff41678d..1b3a093a 100644 --- a/server/RouteController.h +++ b/server/RouteController.h @@ -85,6 +85,13 @@ constexpr int32_t RULE_PRIORITY_DEFAULT_NETWORK = 31000; constexpr int32_t RULE_PRIORITY_UNREACHABLE = 32000; // clang-format on +static const char* V4_FIXED_LOCAL_PREFIXES[] = { + // The multicast range is 224.0.0.0/4 but only limit it to 224.0.0.0/24 since the IPv4 + // definitions are not as precise as for IPv6, it is the only range that the standards + // (RFC 2365 and RFC 5771) specify is link-local and must not be forwarded. + "224.0.0.0/24" // Link-local multicast; non-internet routable +}; + class UidRanges; class RouteController { @@ -230,8 +237,9 @@ public: static int modifyUidLocalNetworkRule(const char* interface, uid_t uidStart, uid_t uidEnd, bool add); - static bool isLocalAddress(TableType tableType, const char* destination, const char* nexthop); - static bool isTargetV4LocalRange(const char* addrstr); + static bool isLocalRoute(TableType tableType, const char* destination, const char* nexthop); + static bool isWithinIpv4LocalPrefix(const char* addrstr); + static int addFixedLocalRoutes(const char* interface); }; // Public because they are called by by RouteControllerTest.cpp. |