244 lines
7.0 KiB
C++
244 lines
7.0 KiB
C++
#include "wled.h"
|
|
|
|
#ifdef WLED_DEBUG_IMPROV
|
|
#define DIMPROV_PRINT(x) Serial.print(x)
|
|
#define DIMPROV_PRINTLN(x) Serial.println(x)
|
|
#define DIMPROV_PRINTF(x...) Serial.printf(x)
|
|
#else
|
|
#define DIMPROV_PRINT(x)
|
|
#define DIMPROV_PRINTLN(x)
|
|
#define DIMPROV_PRINTF(x...)
|
|
#endif
|
|
|
|
#define IMPROV_VERSION 1
|
|
|
|
void parseWiFiCommand(char *rpcData);
|
|
|
|
enum ImprovPacketType {
|
|
Current_State = 0x01,
|
|
Error_State = 0x02,
|
|
RPC_Command = 0x03,
|
|
RPC_Response = 0x04
|
|
};
|
|
|
|
enum ImprovPacketByte {
|
|
Version = 6,
|
|
PacketType = 7,
|
|
Length = 8,
|
|
RPC_CommandType = 9
|
|
};
|
|
|
|
enum ImprovRPCType {
|
|
Command_Wifi = 0x01,
|
|
Request_State = 0x02,
|
|
Request_Info = 0x03
|
|
};
|
|
|
|
//File dbgf;
|
|
|
|
//blocking function to parse an Improv Serial packet
|
|
void handleImprovPacket() {
|
|
uint8_t header[6] = {'I','M','P','R','O','V'};
|
|
|
|
//dbgf = WLED_FS.open("/improv.log","a");
|
|
|
|
bool timeout = false;
|
|
uint8_t waitTime = 25;
|
|
uint16_t packetByte = 0;
|
|
uint8_t packetLen = 9;
|
|
uint8_t checksum = 0;
|
|
|
|
uint8_t rpcCommandType = 0;
|
|
char rpcData[128];
|
|
rpcData[0] = 0;
|
|
|
|
while (!timeout) {
|
|
if (Serial.available() < 1) {
|
|
delay(1);
|
|
waitTime--;
|
|
if (!waitTime) timeout = true;
|
|
continue;
|
|
}
|
|
byte next = Serial.read();
|
|
|
|
DIMPROV_PRINT("Received improv byte: "); DIMPROV_PRINTF("%x\r\n",next);
|
|
//f.write(next);
|
|
switch (packetByte) {
|
|
case ImprovPacketByte::Version: {
|
|
if (next != IMPROV_VERSION) {
|
|
DIMPROV_PRINTLN(F("Invalid version"));
|
|
//dbgf.close();
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
case ImprovPacketByte::PacketType: {
|
|
if (next != ImprovPacketType::RPC_Command) {
|
|
DIMPROV_PRINTF("Non RPC-command improv packet type %i\n",next);
|
|
//dbgf.close();
|
|
return;
|
|
}
|
|
if (!improvActive) improvActive = 1;
|
|
break;
|
|
}
|
|
case ImprovPacketByte::Length: packetLen = 9 + next; break;
|
|
case ImprovPacketByte::RPC_CommandType: rpcCommandType = next; break;
|
|
default: {
|
|
if (packetByte >= packetLen) { //end of packet, check checksum match
|
|
|
|
if (checksum != next) {
|
|
DIMPROV_PRINTF("Got RPC checksum %i, expected %i",next,checksum);
|
|
sendImprovStateResponse(0x01, true);
|
|
//dbgf.close();
|
|
return;
|
|
}
|
|
|
|
switch (rpcCommandType) {
|
|
case ImprovRPCType::Command_Wifi: parseWiFiCommand(rpcData); break;
|
|
case ImprovRPCType::Request_State: {
|
|
uint8_t improvState = 0x02; //authorized
|
|
if (WLED_WIFI_CONFIGURED) improvState = 0x03; //provisioning
|
|
if (Network.isConnected()) improvState = 0x04; //provisioned
|
|
sendImprovStateResponse(improvState, false);
|
|
if (improvState == 0x04) sendImprovRPCResponse(ImprovRPCType::Request_State);
|
|
break;
|
|
}
|
|
case ImprovRPCType::Request_Info: sendImprovInfoResponse(); break;
|
|
default: {
|
|
DIMPROV_PRINTF("Unknown RPC command %i\n",next);
|
|
sendImprovStateResponse(0x02, true);
|
|
}
|
|
}
|
|
//dbgf.close();
|
|
return;
|
|
}
|
|
if (packetByte < 6) { //check header
|
|
if (next != header[packetByte]) {
|
|
DIMPROV_PRINTLN(F("Invalid improv header"));
|
|
//dbgf.close();
|
|
return;
|
|
}
|
|
} else if (packetByte > 9) { //RPC data
|
|
rpcData[packetByte - 10] = next;
|
|
if (packetByte > 137) return; //prevent buffer overflow
|
|
}
|
|
}
|
|
}
|
|
|
|
checksum += next;
|
|
packetByte++;
|
|
}
|
|
//dbgf.close();
|
|
}
|
|
|
|
void sendImprovStateResponse(uint8_t state, bool error) {
|
|
if (!error && improvError > 0 && improvError < 3) sendImprovStateResponse(0x00, true);
|
|
if (error) improvError = state;
|
|
char out[11] = {'I','M','P','R','O','V'};
|
|
out[6] = IMPROV_VERSION;
|
|
out[7] = error? ImprovPacketType::Error_State : ImprovPacketType::Current_State;
|
|
out[8] = 1;
|
|
out[9] = state;
|
|
|
|
uint8_t checksum = 0;
|
|
for (uint8_t i = 0; i < 10; i++) checksum += out[i];
|
|
out[10] = checksum;
|
|
Serial.write((uint8_t*)out, 11);
|
|
Serial.write('\n');
|
|
}
|
|
|
|
void sendImprovRPCResponse(byte commandId) {
|
|
if (improvError > 0 && improvError < 3) sendImprovStateResponse(0x00, true);
|
|
uint8_t packetLen = 12;
|
|
char out[64] = {'I','M','P','R','O','V'};
|
|
out[6] = IMPROV_VERSION;
|
|
out[7] = ImprovPacketType::RPC_Response;
|
|
out[8] = 2; //Length (set below)
|
|
out[9] = commandId;
|
|
out[10] = 0; //Data len (set below)
|
|
out[11] = '\0'; //URL len (set below)
|
|
|
|
if (Network.isConnected())
|
|
{
|
|
IPAddress localIP = Network.localIP();
|
|
uint8_t len = sprintf(out+12, "http://%d.%d.%d.%d", localIP[0], localIP[1], localIP[2], localIP[3]);
|
|
if (len > 24) return; //sprintf fail?
|
|
out[11] = len;
|
|
out[10] = 1 + len;
|
|
out[8] = 3 + len; //RPC command type + data len + url len + url
|
|
packetLen = 13 + len;
|
|
}
|
|
|
|
uint8_t checksum = 0;
|
|
for (uint8_t i = 0; i < packetLen -1; i++) checksum += out[i];
|
|
out[packetLen -1] = checksum;
|
|
Serial.write((uint8_t*)out, packetLen);
|
|
Serial.write('\n');
|
|
improvActive = 1; //no longer provisioning
|
|
}
|
|
|
|
void sendImprovInfoResponse() {
|
|
if (improvError > 0 && improvError < 3) sendImprovStateResponse(0x00, true);
|
|
uint8_t packetLen = 12;
|
|
char out[128] = {'I','M','P','R','O','V'};
|
|
out[6] = IMPROV_VERSION;
|
|
out[7] = ImprovPacketType::RPC_Response;
|
|
//out[8] = 2; //Length (set below)
|
|
out[9] = ImprovRPCType::Request_Info;
|
|
//out[10] = 0; //Data len (set below)
|
|
out[11] = 4; //Firmware len ("WLED")
|
|
out[12] = 'W'; out[13] = 'L'; out[14] = 'E'; out[15] = 'D';
|
|
uint8_t lengthSum = 17;
|
|
uint8_t vlen = sprintf_P(out+lengthSum,PSTR("0.13.3/%i"),VERSION);
|
|
out[16] = vlen; lengthSum += vlen;
|
|
uint8_t hlen = 7;
|
|
#ifdef ESP8266
|
|
strcpy(out+lengthSum+1,"esp8266");
|
|
#else
|
|
hlen = 5;
|
|
strcpy(out+lengthSum+1,"esp32");
|
|
#endif
|
|
out[lengthSum] = hlen;
|
|
lengthSum += hlen + 1;
|
|
//Use serverDescription if it has been changed from the default "WLED", else mDNS name
|
|
bool useMdnsName = (strcmp(serverDescription, "WLED") == 0 && strlen(cmDNS) > 0);
|
|
strcpy(out+lengthSum+1,useMdnsName ? cmDNS : serverDescription);
|
|
uint8_t nlen = strlen(useMdnsName ? cmDNS : serverDescription);
|
|
out[lengthSum] = nlen;
|
|
lengthSum += nlen + 1;
|
|
|
|
packetLen = lengthSum +1;
|
|
out[8] = lengthSum -9;
|
|
out[10] = lengthSum -11;
|
|
|
|
uint8_t checksum = 0;
|
|
for (uint8_t i = 0; i < packetLen -1; i++) checksum += out[i];
|
|
out[packetLen -1] = checksum;
|
|
Serial.write((uint8_t*)out, packetLen);
|
|
Serial.write('\n');
|
|
DIMPROV_PRINT("Info checksum");
|
|
DIMPROV_PRINTLN(checksum);
|
|
}
|
|
|
|
void parseWiFiCommand(char* rpcData) {
|
|
uint8_t len = rpcData[0];
|
|
if (!len || len > 126) return;
|
|
|
|
uint8_t ssidLen = rpcData[1];
|
|
if (ssidLen > len -1 || ssidLen > 32) return;
|
|
memset(clientSSID, 0, 32);
|
|
memcpy(clientSSID, rpcData+2, ssidLen);
|
|
|
|
memset(clientPass, 0, 64);
|
|
if (len > ssidLen +1) {
|
|
uint8_t passLen = rpcData[2+ssidLen];
|
|
memset(clientPass, 0, 64);
|
|
memcpy(clientPass, rpcData+3+ssidLen, passLen);
|
|
}
|
|
|
|
sendImprovStateResponse(0x03); //provisioning
|
|
improvActive = 2;
|
|
|
|
forceReconnect = true;
|
|
serializeConfig();
|
|
} |