diff options
Diffstat (limited to 'node/Packet.hpp')
| -rw-r--r-- | node/Packet.hpp | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/node/Packet.hpp b/node/Packet.hpp index 7bcbb821..aedc9e4c 100644 --- a/node/Packet.hpp +++ b/node/Packet.hpp @@ -664,7 +664,7 @@ public: * <[8] 64-bit network ID> * <[6] MAC address of multicast group being queried> * <[4] 32-bit ADI for multicast group being queried> - * <[2] 16-bit (suggested) max number of multicast peers desired> + * <[4] 32-bit (suggested) max number of multicast peers desired or 0 for no limit> * [<[...] network membership certificate (optional)>] * * Flags are: @@ -673,13 +673,13 @@ public: * This message asks a peer for additional known endpoints that have * LIKEd a given multicast group. It's sent when the sender wishes * to send multicast but does not have the desired number of recipient - * peers. (Hence it is "lonely." :) + * peers. * * OK response payload: * <[8] 64-bit network ID> * <[6] MAC address of multicast group being queried> * <[4] 32-bit ADI for multicast group being queried> - * <[2] 16-bit total number of known members in this multicast group> + * <[4] 32-bit total number of known members in this multicast group> * <[2] 16-bit number of members enumerated in this packet> * <[...] series of 5-byte ZeroTier addresses of enumerated members> * @@ -691,7 +691,7 @@ public: * ERRORs are optional and are only generated if permission is denied, * certificate of membership is out of date, etc. */ - VERB_MULTICAST_LONELY = 13, + VERB_MULTICAST_GATHER = 13, /* Multicast frame: * <[1] flags (currently unused, must be 0)> @@ -709,6 +709,9 @@ public: * ERROR response payload: * <[6] multicast group MAC> * <[4] 32-bit multicast group ADI> + * + * ERRORs are optional and can be generated if a certificate is needed or if + * multicasts for this multicast group are no longer wanted. */ VERB_MULTICAST_FRAME = 14 }; @@ -782,6 +785,22 @@ public: } /** + * Make a copy of a packet with a new initialization vector and destination address + * + * This can be used to take one draft prototype packet and quickly make copies to + * encrypt for different destinations. + * + * @param prototype Prototype packet + * @param dest Destination ZeroTier address for new packet + */ + Packet(const Packet &prototype,const Address &dest) : + Buffer<ZT_PROTO_MAX_PACKET_LENGTH>(prototype) + { + Utils::getSecureRandom(field(ZT_PACKET_IDX_IV,8),8); + setDestination(dest); + } + + /** * Construct a new empty packet with a unique random packet ID * * @param dest Destination ZT address |