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Fix plugin payload modification.

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This commit is contained in:
Roger A. Light 2020-10-21 16:24:43 +01:00
parent cd3dda387a
commit 9d68da4664
1 changed files with 7 additions and 2 deletions
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9
src/plugin.c
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@ -137,9 +137,14 @@ int plugin__handle_message(struct mosquitto_db *db, struct mosquitto *context, s
} }
stored->topic = event_data.topic; stored->topic = event_data.topic;
if(stored->payloadlen != event_data.payloadlen){ if(UHPA_ACCESS(stored->payload, stored->payloadlen) != event_data.payload){
UHPA_FREE(stored->payload, stored->payloadlen); UHPA_FREE(stored->payload, stored->payloadlen);
UHPA_ALLOC(stored->payload, event_data.payloadlen); if(event_data.payloadlen > sizeof(stored->payload.array)){
stored->payload.ptr = event_data.payload;
}else{
memcpy(stored->payload.array, event_data.payload, event_data.payloadlen);
mosquitto_free(event_data.payload);
}
stored->payloadlen = event_data.payloadlen; stored->payloadlen = event_data.payloadlen;
} }
memcpy(UHPA_ACCESS(stored->payload, stored->payloadlen), event_data.payload, stored->payloadlen); memcpy(UHPA_ACCESS(stored->payload, stored->payloadlen), event_data.payload, stored->payloadlen);