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* bug fix

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This commit is contained in:
Scott Powell
2026-05-19 17:06:42 +10:00
parent 2eb747d504
commit 717142abd6
1 changed files with 3 additions and 2 deletions
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src/helpers/BaseChatMesh.cpp
+3 -2
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@@ -218,10 +218,11 @@ void BaseChatMesh::onPeerDataRecv(mesh::Packet* packet, uint8_t type, int sender
from.lastmod = getRTCClock()->getCurrentTime(); // update last heard time
onMessageRecv(from, packet, timestamp, (const char *) &data[5]); // let UI know
int text_len = strlen((char *)&data[5]);
uint8_t ack_hash[5]; // calc truncated hash of the message timestamp + text + sender pub_key, to prove to sender that we got it
mesh::Utils::sha256(ack_hash, 4, data, 5 + strlen((char *)&data[5]), from.id.pub_key, PUB_KEY_SIZE);
mesh::Utils::sha256(ack_hash, 4, data, 5 + text_len, from.id.pub_key, PUB_KEY_SIZE);
// NEW: append (potential) extended attempt byte (to make packethash unique)
ack_hash[4] = data[len - 1];
ack_hash[4] = data[5 + text_len + 1];
if (packet->isRouteFlood()) {
// let this sender know path TO here, so they can use sendDirect(), and ALSO encode the ACK