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Merge pull request #2539 from dylan09/multirelay-discovery

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Fixed buffer overflow in HA autodiscovery. #2538
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Blaž Kristan 2022-02-10 00:33:16 +01:00 committed by GitHub
commit 6d2ef4e0bf
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usermods/multi_relay/usermod_multi_relay.h
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@ -272,7 +272,7 @@ class MultiRelay : public Usermod {
void publishHomeAssistantAutodiscovery() { void publishHomeAssistantAutodiscovery() {
for (uint8_t i = 0; i < MULTI_RELAY_MAX_RELAYS; i++) { for (uint8_t i = 0; i < MULTI_RELAY_MAX_RELAYS; i++) {
char uid[16], json_str[1024], buf[128]; char uid[24], json_str[1024], buf[128];
size_t payload_size; size_t payload_size;
sprintf_P(uid, PSTR("%s_sw%d"), escapedMac.c_str(), i); sprintf_P(uid, PSTR("%s_sw%d"), escapedMac.c_str(), i);