402 lines
9.6 KiB
C
402 lines
9.6 KiB
C
#include "config.h"
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#include <ccan/mem/mem.h>
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#include <wire/peer_wire.h>
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static bool unknown_type(enum peer_wire t)
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{
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switch (t) {
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case WIRE_WARNING:
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case WIRE_INIT:
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case WIRE_ERROR:
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case WIRE_OPEN_CHANNEL:
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case WIRE_ACCEPT_CHANNEL:
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case WIRE_FUNDING_CREATED:
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case WIRE_FUNDING_SIGNED:
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case WIRE_CHANNEL_READY:
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case WIRE_SHUTDOWN:
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case WIRE_CLOSING_SIGNED:
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case WIRE_UPDATE_ADD_HTLC:
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case WIRE_UPDATE_FULFILL_HTLC:
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case WIRE_UPDATE_FAIL_HTLC:
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case WIRE_UPDATE_FAIL_MALFORMED_HTLC:
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case WIRE_COMMITMENT_SIGNED:
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case WIRE_REVOKE_AND_ACK:
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case WIRE_UPDATE_FEE:
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case WIRE_UPDATE_BLOCKHEIGHT:
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case WIRE_CHANNEL_REESTABLISH:
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case WIRE_ANNOUNCEMENT_SIGNATURES:
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case WIRE_CHANNEL_ANNOUNCEMENT:
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case WIRE_NODE_ANNOUNCEMENT:
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case WIRE_CHANNEL_UPDATE:
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case WIRE_PING:
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case WIRE_PONG:
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case WIRE_QUERY_SHORT_CHANNEL_IDS:
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case WIRE_REPLY_SHORT_CHANNEL_IDS_END:
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case WIRE_QUERY_CHANNEL_RANGE:
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case WIRE_REPLY_CHANNEL_RANGE:
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case WIRE_GOSSIP_TIMESTAMP_FILTER:
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case WIRE_ONION_MESSAGE:
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case WIRE_TX_ADD_INPUT:
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case WIRE_TX_REMOVE_INPUT:
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case WIRE_TX_ADD_OUTPUT:
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case WIRE_TX_REMOVE_OUTPUT:
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case WIRE_TX_COMPLETE:
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case WIRE_TX_SIGNATURES:
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case WIRE_TX_INIT_RBF:
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case WIRE_TX_ACK_RBF:
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case WIRE_TX_ABORT:
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case WIRE_PEER_STORAGE:
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case WIRE_YOUR_PEER_STORAGE:
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case WIRE_OPEN_CHANNEL2:
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case WIRE_ACCEPT_CHANNEL2:
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case WIRE_STFU:
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case WIRE_SPLICE:
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case WIRE_SPLICE_ACK:
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case WIRE_SPLICE_LOCKED:
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return false;
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}
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return true;
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}
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bool is_msg_for_gossipd(const u8 *cursor)
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{
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switch ((enum peer_wire)fromwire_peektype(cursor)) {
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case WIRE_CHANNEL_ANNOUNCEMENT:
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case WIRE_NODE_ANNOUNCEMENT:
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case WIRE_CHANNEL_UPDATE:
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case WIRE_QUERY_SHORT_CHANNEL_IDS:
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case WIRE_REPLY_SHORT_CHANNEL_IDS_END:
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case WIRE_QUERY_CHANNEL_RANGE:
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case WIRE_REPLY_CHANNEL_RANGE:
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return true;
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case WIRE_WARNING:
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case WIRE_INIT:
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case WIRE_PING:
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case WIRE_PONG:
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case WIRE_ERROR:
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case WIRE_OPEN_CHANNEL:
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case WIRE_ACCEPT_CHANNEL:
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case WIRE_FUNDING_CREATED:
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case WIRE_FUNDING_SIGNED:
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case WIRE_CHANNEL_READY:
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case WIRE_SHUTDOWN:
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case WIRE_CLOSING_SIGNED:
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case WIRE_UPDATE_ADD_HTLC:
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case WIRE_UPDATE_FULFILL_HTLC:
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case WIRE_UPDATE_FAIL_HTLC:
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case WIRE_UPDATE_FAIL_MALFORMED_HTLC:
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case WIRE_COMMITMENT_SIGNED:
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case WIRE_REVOKE_AND_ACK:
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case WIRE_UPDATE_FEE:
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case WIRE_UPDATE_BLOCKHEIGHT:
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case WIRE_CHANNEL_REESTABLISH:
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case WIRE_ANNOUNCEMENT_SIGNATURES:
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case WIRE_GOSSIP_TIMESTAMP_FILTER:
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case WIRE_TX_ADD_INPUT:
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case WIRE_TX_REMOVE_INPUT:
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case WIRE_TX_ADD_OUTPUT:
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case WIRE_TX_REMOVE_OUTPUT:
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case WIRE_TX_COMPLETE:
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case WIRE_TX_SIGNATURES:
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case WIRE_TX_INIT_RBF:
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case WIRE_TX_ACK_RBF:
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case WIRE_TX_ABORT:
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case WIRE_OPEN_CHANNEL2:
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case WIRE_ACCEPT_CHANNEL2:
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case WIRE_ONION_MESSAGE:
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case WIRE_PEER_STORAGE:
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case WIRE_YOUR_PEER_STORAGE:
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case WIRE_STFU:
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case WIRE_SPLICE:
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case WIRE_SPLICE_ACK:
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case WIRE_SPLICE_LOCKED:
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break;
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}
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return false;
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}
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/* Return true if it's an unknown ODD message. cursor is a tal ptr. */
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bool is_unknown_msg_discardable(const u8 *cursor)
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{
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enum peer_wire t = fromwire_peektype(cursor);
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return unknown_type(t) && (t & 1);
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}
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/* Returns true if the message type should be handled by CLN's core */
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bool peer_wire_is_internal(enum peer_wire type)
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{
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/* Unknown messages are not handled by CLN */
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if (!peer_wire_is_defined(type))
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return false;
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/* handled by pluigns */
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if (type == WIRE_PEER_STORAGE || type == WIRE_YOUR_PEER_STORAGE)
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return false;
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return true;
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}
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/* Extract channel_id from various packets, return true if possible. */
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bool extract_channel_id(const u8 *in_pkt, struct channel_id *channel_id)
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{
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const u8 *cursor = in_pkt;
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size_t max = tal_bytelen(in_pkt);
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enum peer_wire t;
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t = fromwire_u16(&cursor, &max);
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/* We carefully quote bolts here, in case anything changes! */
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switch (t) {
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/* These ones don't have a channel_id */
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case WIRE_INIT:
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case WIRE_PING:
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case WIRE_PONG:
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case WIRE_CHANNEL_ANNOUNCEMENT:
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case WIRE_NODE_ANNOUNCEMENT:
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case WIRE_CHANNEL_UPDATE:
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case WIRE_QUERY_SHORT_CHANNEL_IDS:
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case WIRE_REPLY_SHORT_CHANNEL_IDS_END:
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case WIRE_QUERY_CHANNEL_RANGE:
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case WIRE_REPLY_CHANNEL_RANGE:
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case WIRE_GOSSIP_TIMESTAMP_FILTER:
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case WIRE_ONION_MESSAGE:
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case WIRE_PEER_STORAGE:
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case WIRE_YOUR_PEER_STORAGE:
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return false;
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/* Special cases: */
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case WIRE_ERROR:
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/* BOLT #1:
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* 1. type: 17 (`error`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*...
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* The channel is referred to by `channel_id`, unless
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* `channel_id` is 0
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*/
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/* fall thru */
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case WIRE_WARNING:
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/* BOLT-warning #1:
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* 1. type: 1 (`warning`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*...
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* The channel is referred to by `channel_id`, unless
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* `channel_id` is 0
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*/
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if (!fromwire_channel_id(&cursor, &max, channel_id))
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return false;
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if (memeqzero(channel_id->id, sizeof(channel_id->id)))
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return false;
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return true;
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case WIRE_OPEN_CHANNEL:
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/* BOLT #2:
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* 1. type: 32 (`open_channel`)
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* 2. data:
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* * [`chain_hash`:`chain_hash`]
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* * [`32*byte`:`temporary_channel_id`]
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*/
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case WIRE_OPEN_CHANNEL2:
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/* BOLT-dualfund #2:
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* 1. type: 64 (`open_channel2`)
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* 2. data:
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* * [`chain_hash`:`chain_hash`]
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* * [`channel_id`:`zerod_channel_id`]
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*/
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/* Skip over chain_hash */
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fromwire_pad(&cursor, &max, sizeof(struct bitcoin_blkid));
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/* These have them at the start */
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case WIRE_TX_ADD_INPUT:
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/* BOLT-dualfund #2:
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* 1. type: 66 (`tx_add_input`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_TX_ADD_OUTPUT:
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/* BOLT-dualfund #2:
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* 1. type: 67 (`tx_add_output`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_TX_REMOVE_INPUT:
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/* BOLT-dualfund #2:
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* 1. type: 68 (`tx_remove_input`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_TX_REMOVE_OUTPUT:
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/* BOLT-dualfund #2:
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* 1. type: 69 (`tx_remove_output`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_TX_COMPLETE:
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/* BOLT-dualfund #2:
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* 1. type: 70 (`tx_complete`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_TX_SIGNATURES:
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/* BOLT-dualfund #2:
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* 1. type: 71 (`tx_signatures`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_TX_ABORT:
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/* BOLT-dualfund #2:
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* 1. type: 74 (`tx_abort`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_ACCEPT_CHANNEL:
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/* BOLT #2:
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* 1. type: 33 (`accept_channel`)
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* 2. data:
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* * [`32*byte`:`temporary_channel_id`]
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*/
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case WIRE_FUNDING_CREATED:
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/* BOLT #2:
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* 1. type: 34 (`funding_created`)
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* 2. data:
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* * [`32*byte`:`temporary_channel_id`]
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*/
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case WIRE_FUNDING_SIGNED:
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/* BOLT #2:
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* 1. type: 35 (`funding_signed`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_CHANNEL_READY:
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/* BOLT #2:
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* 1. type: 36 (`channel_ready`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_ACCEPT_CHANNEL2:
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/* BOLT-dualfund #2:
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* 1. type: 65 (`accept_channel2`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_TX_INIT_RBF:
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/* BOLT-dualfund #2:
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* 1. type: 72 (`tx_init_rbf`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_TX_ACK_RBF:
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/* BOLT-dualfund #2:
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* 1. type: 73 (`tx_ack_rbf`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_SHUTDOWN:
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/* BOLT #2:
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* 1. type: 38 (`shutdown`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_CLOSING_SIGNED:
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/* BOLT #2:
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* 1. type: 39 (`closing_signed`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_UPDATE_ADD_HTLC:
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/* BOLT #2:
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* 1. type: 128 (`update_add_htlc`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_UPDATE_FULFILL_HTLC:
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/* BOLT #2:
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* 1. type: 130 (`update_fulfill_htlc`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_UPDATE_FAIL_HTLC:
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/* BOLT #2:
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* 1. type: 131 (`update_fail_htlc`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_UPDATE_FAIL_MALFORMED_HTLC:
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/* BOLT #2:
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* 1. type: 135 (`update_fail_malformed_htlc`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_COMMITMENT_SIGNED:
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/* BOLT #2:
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* 1. type: 132 (`commitment_signed`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_REVOKE_AND_ACK:
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/* BOLT #2:
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* 1. type: 133 (`revoke_and_ack`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_UPDATE_FEE:
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/* BOLT #2:
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* 1. type: 134 (`update_fee`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_UPDATE_BLOCKHEIGHT:
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/* BOLT-liquidity-ads #2:
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* 1. type: 137 (`update_blockheight`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_CHANNEL_REESTABLISH:
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/* BOLT #2:
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* 1. type: 136 (`channel_reestablish`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_ANNOUNCEMENT_SIGNATURES:
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/* BOLT #7:
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* 1. type: 259 (`announcement_signatures`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_STFU:
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/* BOLT-quiescent #2:
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* 1. type: 2 (`stfu`)
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* 2. data:
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* * [`channel_id`:`channel_id`]
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*/
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case WIRE_SPLICE:
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/* BOLT-splice #2:
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* 1. type: 74 (`splice`)
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* 2. data:
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* * [`chain_hash`:`chain_hash`]
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* * [`channel_id`:`channel_id`]
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* * [`u32`:`funding_feerate_perkw`]
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* * [`point`:`funding_pubkey`]
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*/
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case WIRE_SPLICE_ACK:
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/* BOLT-splice #2:
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* 1. type: 76 (`splice_ack`)
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* 2. data:
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* * [`chain_hash`:`chain_hash`]
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* * [`channel_id`:`channel_id`]
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* * [`point`:`funding_pubkey`]
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*/
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case WIRE_SPLICE_LOCKED:
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/* BOLT-splice #2:
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* 1. type: 78 (`splice_locked`)
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* 2. data:
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* * [`chain_hash`:`chain_hash`]
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* * [`channel_id`:`channel_id`]
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*/
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return fromwire_channel_id(&cursor, &max, channel_id);
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}
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return false;
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}
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