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closingd: handle custommessages

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We fail on odd messages in otherwise.

--------------------------------------------------------- Captured stderr call ----------------------------------------------------------
lightning_closingd: common/read_peer_msg.c:170: handle_peer_gossip_or_error: Assertion `!is_unknown_msg_discardable(msg)' failed.
lightning_closingd: FATAL SIGNAL 6 (version v0.10.0-3-gd0c30a4)
0x563b8eabd9a2 send_backtrace
        common/daemon.c:39
0x563b8eabda4c crashdump
        common/daemon.c:52
0x7f496292020f ???
        ???:0
0x7f496292018b ???
        ???:0
0x7f49628ff858 ???
        ???:0
0x7f49628ff728 ???
        ???:0
0x7f4962910f35 ???
        ???:0
0x563b8eaca7e3 handle_peer_gossip_or_error
        common/read_peer_msg.c:170
0x563b8eab79f2 closing_read_peer_msg
        closingd/closingd.c:116
0x563b8eab838a receive_offer
        closingd/closingd.c:362
0x563b8eab9299 main
        closingd/closingd.c:752
0x7f49629010b2 ???
        ???:0
0x563b8eab75dd ???
        ???:0
0xffffffffffffffff ???
        ???:0
lightning_closingd: FATAL SIGNAL (version v0.10.0-3-gd0c30a4)
0x563b8eabd9a2 send_backtrace
        common/daemon.c:39
0x563b8eacb384 status_failed
        common/status.c:207
0x563b8eacb5f0 status_backtrace_exit
        common/subdaemon.c:25
0x563b8eabda55 crashdump
        common/daemon.c:55
0x7f496292020f ???
        ???:0
0x7f496292018b ???
        ???:0
0x7f49628ff858 ???
        ???:0
0x7f49628ff728 ???
        ???:0
0x7f4962910f35 ???
        ???:0
0x563b8eaca7e3 handle_peer_gossip_or_error
        common/read_peer_msg.c:170
0x563b8eab79f2 closing_read_peer_msg
        closingd/closingd.c:116
0x563b8eab838a receive_offer
        closingd/closingd.c:362
0x563b8eab9299 main
        closingd/closingd.c:752
0x7f49629010b2 ???
        ???:0
0x563b8eab75dd ???
        ???:0
0xffffffffffffffff ???
        ???:0
This commit is contained in:
niftynei 2021-04-01 13:22:44 -05:00 committed by Rusty Russell
parent 9c8ce925ef
commit a948cf5c10
2 changed files with 26 additions and 0 deletions
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12
closingd/closingd.c
View File

@ -24,6 +24,7 @@
#include <inttypes.h>
#include <stdio.h>
#include <unistd.h>
#include <wire/common_wiregen.h>
#include <wire/peer_wire.h>
#include <wire/wire_sync.h>
@ -113,6 +114,17 @@ static u8 *closing_read_peer_msg(const tal_t *ctx,
handle_gossip_msg(pps, take(msg));
continue;
}
#if DEVELOPER
/* Handle custommsgs */
enum peer_wire type = fromwire_peektype(msg);
if (type % 2 == 1 && !peer_wire_is_defined(type)) {
/* The message is not part of the messages we know
* how to handle. Assume is custommsg, forward it
* to master. */
wire_sync_write(REQ_FD, take(towire_custommsg_in(NULL, msg)));
continue;
}
#endif
if (!handle_peer_gossip_or_error(pps, channel_id, false, msg))
return msg;
}

14
lightningd/closing_control.c
View File

@ -19,6 +19,7 @@
#include <lightningd/options.h>
#include <lightningd/peer_control.h>
#include <lightningd/subd.h>
#include <wire/common_wiregen.h>
static struct amount_sat calc_tx_fee(struct amount_sat sat_in,
const struct bitcoin_tx *tx)
@ -163,6 +164,19 @@ static unsigned closing_msg(struct subd *sd, const u8 *msg, const int *fds UNUSE
break;
}
switch ((enum common_wire)t) {
#if DEVELOPER
case WIRE_CUSTOMMSG_IN:
handle_custommsg_in(sd->ld, sd->node_id, msg);
break;
#else
case WIRE_CUSTOMMSG_IN:
#endif
/* We send these. */
case WIRE_CUSTOMMSG_OUT:
break;
}
return 0;
}