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Fix exception on empty topic (#17879)

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Theo Arends 2023-02-05 15:13:44 +01:00
parent 8bc03bbc06
commit 0ebcf1dc03
1 changed files with 20 additions and 23 deletions
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43
tasmota/tasmota_support/support_command.ino
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@ -366,8 +366,7 @@ void ExecuteCommand(const char *cmnd, uint32_t source)
// topicBuf: cmnd/tasmotas/power1 dataBuf: toggle = Mqtt command using a group topic // topicBuf: cmnd/tasmotas/power1 dataBuf: toggle = Mqtt command using a group topic
// topicBuf: cmnd/DVES_83BB10_fb/power1 dataBuf: toggle = Mqtt command using fallback topic // topicBuf: cmnd/DVES_83BB10_fb/power1 dataBuf: toggle = Mqtt command using fallback topic
void CommandHandler(char* topicBuf, char* dataBuf, uint32_t data_len) void CommandHandler(char* topicBuf, char* dataBuf, uint32_t data_len) {
{
SHOW_FREE_MEM(PSTR("CommandHandler")); SHOW_FREE_MEM(PSTR("CommandHandler"));
bool grpflg = false; bool grpflg = false;
@ -408,34 +407,32 @@ void CommandHandler(char* topicBuf, char* dataBuf, uint32_t data_len)
user_index = true; user_index = true;
} }
type[i] = '\0'; type[i] = '\0';
}
bool binary_data = (index > 199); // Suppose binary data on topic index > 199 bool binary_data = (index > 199); // Suppose binary data on topic index > 199
if (!binary_data) { if (!binary_data) {
bool keep_spaces = ((strstr_P(type, PSTR("SERIALSEND")) != nullptr) && (index > 9)); // Do not skip leading spaces on (s)serialsend10 and up bool keep_spaces = ((strstr_P(type, PSTR("SERIALSEND")) != nullptr) && (index > 9)); // Do not skip leading spaces on (s)serialsend10 and up
if (!keep_spaces) { if (!keep_spaces) {
while (*dataBuf && isspace(*dataBuf)) { while (*dataBuf && isspace(*dataBuf)) {
dataBuf++; // Skip leading spaces in data dataBuf++; // Skip leading spaces in data
data_len--; data_len--;
}
} }
} }
}
int32_t payload = -99; int32_t payload = -99;
if (!binary_data) { if (!binary_data) {
if (!strcmp(dataBuf,"?")) { data_len = 0; } if (!strcmp(dataBuf,"?")) { data_len = 0; }
char *p; char *p;
payload = strtol(dataBuf, &p, 0); // decimal, octal (0) or hex (0x) payload = strtol(dataBuf, &p, 0); // decimal, octal (0) or hex (0x)
if (p == dataBuf) { payload = -99; } if (p == dataBuf) { payload = -99; }
int temp_payload = GetStateNumber(dataBuf); int temp_payload = GetStateNumber(dataBuf);
if (temp_payload > -1) { payload = temp_payload; } if (temp_payload > -1) { payload = temp_payload; }
} }
AddLog(LOG_LEVEL_DEBUG, PSTR("CMD: Grp %d, Cmd '%s', Idx %d, Len %d, Pld %d, Data '%s'"), AddLog(LOG_LEVEL_DEBUG, PSTR("CMD: Grp %d, Cmd '%s', Idx %d, Len %d, Pld %d, Data '%s'"),
grpflg, type, index, data_len, payload, (binary_data) ? HexToString((uint8_t*)dataBuf, data_len).c_str() : dataBuf); grpflg, type, index, data_len, payload, (binary_data) ? HexToString((uint8_t*)dataBuf, data_len).c_str() : dataBuf);
if (type != nullptr) {
Response_P(PSTR("{\"" D_JSON_COMMAND "\":\"" D_JSON_ERROR "\"}")); Response_P(PSTR("{\"" D_JSON_COMMAND "\":\"" D_JSON_ERROR "\"}"));
if (Settings->ledstate &0x02) { TasmotaGlobal.blinks++; } if (Settings->ledstate &0x02) { TasmotaGlobal.blinks++; }