Files
meshcore-wch/User/meshcore/packets/encrypted.c
2026-01-08 08:17:23 +01:00

789 lines
29 KiB
C

#include "lib/config.h"
#include "lib/telemetry/telemetry.h"
#include "meshcore/meshframing.h"
#include "meshcore/packets/ack.h"
#include "meshcore/packets/advert.h"
#include "meshcore/packetstructs.h"
#include "meshcore/stats.h"
#include "util/hexdump.h"
#include "util/log.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "encrypted.h"
#include "FreeRTOS.h"
#include "task.h"
#include "lib/adc/temperature.h"
#include "lib/rtc/rtc.h"
#include "sx1262.h"
#define TICKS_TO_MS(xTicks) (((uint32_t)(xTicks)*1000U) / (uint32_t)configTICK_RATE_HZ)
#define TAG "EncryptedMessage"
void sendEncryptedFrame (const NodeEntry *targetNode, uint8_t payloadType, const uint8_t *plain, size_t plainLen) {
FrameStruct frame;
uint8_t offset = 0;
// 1. Header
frame.header =
(targetNode->path.pathLen > 0 ? ROUTE_TYPE_DIRECT : ROUTE_TYPE_FLOOD) | // currently flood
payloadType |
PAYLOAD_VERSION_0;
// 2. Destination + source
frame.payload[offset++] = targetNode->pubKey[0];
frame.payload[offset++] = persistent.pubkey[0];
// 4. Encrypt + MAC
size_t encLen;
encrypt_then_mac (
targetNode->secret,
32,
plain,
plainLen,
frame.payload + offset,
&encLen);
offset += encLen;
// 5. Finalize
frame.payloadLen = offset;
memcpy (&frame.path, &targetNode->path, sizeof (frame.path));
hexdump ("Encrypted frame", frame.payload, frame.payloadLen);
LoRaTransmit (&frame);
}
void sendEncryptedTextMessage (const NodeEntry *targetNode, const PlainTextMessagePayload *msg) {
if (targetNode == NULL) {
MESH_LOGW (TAG, "Node is null");
return;
}
if (targetNode->last_seen_lt == 0) {
MESH_LOGW (TAG, "Node is not populated");
return;
}
uint8_t buf[256];
uint8_t index = 0;
uint8_t msgLen = strlen (msg->message) + 1;
buf[index++] = msg->timestamp;
buf[index++] = msg->timestamp >> 8;
buf[index++] = msg->timestamp >> 16;
buf[index++] = msg->timestamp >> 24;
buf[index++] = (msg->textType << 2) | (msg->attempt & 0x03);
memcpy (&buf[index], msg->message, msgLen);
index += msgLen;
sendEncryptedFrame (
targetNode,
PAYLOAD_TYPE_TXT_MSG,
buf,
index);
}
void sendEncryptedResponse (const NodeEntry *targetNode, const Response *resp) {
uint8_t buf[256];
uint8_t index = 0;
buf[index++] = (resp->tag) & 0xFF;
buf[index++] = (resp->tag >> 8) & 0xFF;
buf[index++] = (resp->tag >> 16) & 0xFF;
buf[index++] = (resp->tag >> 24) & 0xFF;
memcpy (&(buf[index]), resp->data, resp->dataLen);
index += resp->dataLen;
sendEncryptedFrame (
targetNode,
PAYLOAD_TYPE_RESPONSE,
buf,
index);
}
void sendEncryptedRequest (const NodeEntry *targetNode, const Request *req) {
uint8_t buf[256];
uint8_t index = 0;
buf[index++] = req->timestamp;
buf[index++] = req->timestamp >> 8;
buf[index++] = req->timestamp >> 16;
buf[index++] = req->timestamp >> 24;
buf[index++] = req->requestType;
memcpy (&(buf[index]), req->data, req->dataLen);
index += req->dataLen;
sendEncryptedFrame (
targetNode,
PAYLOAD_TYPE_REQ,
buf,
index);
}
void sendEncryptedPathPayload (const NodeEntry *targetNode, const ReturnedPathPayload *path) {
uint8_t buf[256];
uint8_t index = 0;
buf[index++] = path->path.pathLen;
memcpy (&buf[index], path->path.path, path->path.pathLen);
index += path->path.pathLen;
if (path->extra.dataLen > 0) {
buf[index++] = path->extra.type;
memcpy (&buf[index], path->extra.data, path->extra.dataLen);
} else {
buf[index++] = 0xFF;
uint32_t timestamp = RTC_GetCounter();
buf[index++] = timestamp;
buf[index++] = timestamp >> 8;
buf[index++] = timestamp >> 16;
buf[index++] = timestamp >> 24;
}
sendEncryptedFrame (
targetNode,
PAYLOAD_TYPE_PATH,
buf,
index);
}
void printRequest (const Request *req) {
printf ("Request:\n");
printf (" Timestamp: %u\n", req->timestamp);
printf (" Type: 0x%02X\n", req->requestType);
printf (" Data: ");
hexdump (" Data", req->data, req->dataLen);
}
void printResponse (const Response *resp) {
printf ("Response:\n");
printf (" Tag: %u\n", resp->tag);
printf (" Data: ");
hexdump (" Data", resp->data, resp->dataLen);
}
void printPlainTextMessage (const PlainTextMessagePayload *msg) {
printf ("PlainTextMessage:\n");
printf (" Timestamp: %u\n", msg->timestamp);
printf (" Attempt: %u\n", msg->attempt);
printf (" TextType: %u\n", msg->textType);
printf (" Message: %.*s\n", (int)strlen (msg->message), msg->message);
}
void printReturnedPathPayload (const ReturnedPathPayload *path) {
printf ("ReturnedPathPayload:\n");
printf (" Path Length: %u\n", path->path.pathLen);
printf (" Path: ");
hexdump (" Path:", path->path.path, path->path.pathLen);
printf (" Extra Type: %u\n", path->extra.type);
printf (" Extra Data: ");
hexdump (" Extra data:", path->extra.data, path->extra.dataLen);
}
void printEncryptedPayload (const EncryptedPayloadStruct *enc) {
printf ("EncryptedPayload:\n");
printf (" Type: 0x%02X\n", enc->type);
printf (" DestinationHash: 0x%02X\n", enc->destinationHash);
printf (" SourceHash: 0x%02X\n", enc->sourceHash);
printf (" CipherMAC: 0x%04X\n", enc->cipherMAC);
printf (" PayloadLen: %zu\n", enc->payloadLen);
printf (" Payload: ");
for (size_t i = 0; i < enc->payloadLen; i++) {
printf ("%02X ", enc->payload[i]);
}
printf ("\n");
}
void decodeEncryptedPayload (const FrameStruct *frame) {
EncryptedPayloadStruct enc;
memset (&enc, 0, sizeof (enc));
enc.path = &(frame->path);
enc.origFrame = frame;
enc.type = frame->header & PAYLOAD_TYPE_MASK;
unsigned char index = 0;
enc.destinationHash = frame->payload[index++];
enc.sourceHash = frame->payload[index++];
enc.cipherMAC = frame->payload[index];
enc.cipherMAC |= frame->payload[index + 1] << 8;
if (enc.destinationHash != persistent.pubkey[0]) {
return;
}
MESH_LOGI (TAG, "Finding remote node, sourceHash is %d", enc.sourceHash);
NodeEntry *remNode = getNode (enc.sourceHash);
enc.remNode = remNode;
if (remNode == NULL) {
MESH_LOGW (TAG, "Node not in DB");
return;
}
remNode->last_seen_lt = RTC_GetCounter();
MESH_LOGI (TAG, "Found node with index %d", remNode - persistent.contacts);
if (mac_then_decrypt (remNode->secret, 32, &(frame->payload[index]), frame->payloadLen - index, enc.payload) != 0) {
MESH_LOGW (TAG, "HMAC failed on encrypted message %s", remNode->name);
} else {
enc.payloadLen = frame->payloadLen - HMAC_SIZE;
MESH_LOGI (TAG, "HMAC success from %s, %u bytes long", remNode->name, enc.payloadLen);
sendDiscreteAck (enc.payload, 5 + strlen ((char *)&enc.payload[5]), remNode->pubKey);
}
printf (" Typexdd: 0x%02X\n", enc.type);
if (enc.payloadLen > 0) {
parseEncryptedPayload (&enc);
}
}
void sendPathBack (const NodeEntry *node, const Path *path) {
ReturnedPathPayload retPath;
retPath.extra.dataLen = 0; // redo to send the resp in path
retPath.extra.type = 0xFF;
retPath.path.pathLen = path->pathLen;
memcpy (retPath.path.path, path->path, path->pathLen);
sendEncryptedPathPayload (node, &retPath);
}
void parseEncryptedPayload (const EncryptedPayloadStruct *enc) {
// printEncryptedPayload(&enc);
printf ("EncryptedPayload:\n");
printf (" Type: 0x%02X\n", enc->type);
printf (" DestinationHash: 0x%02X\n", enc->destinationHash);
printf (" SourceHash: 0x%02X\n", enc->sourceHash);
printf (" CipherMAC: 0x%04X\n", enc->cipherMAC);
printf (" PayloadLen: %u\n", enc->payloadLen);
hexdump (" Payload: ", enc->payload, enc->payloadLen);
printf ("\n");
uint8_t index = 0;
if (enc->type == PAYLOAD_TYPE_PATH) {
ReturnedPathPayload retPath;
retPath.path.pathLen = enc->payload[index++];
if (retPath.path.pathLen > 64) {
MESH_LOGW (TAG, "Path too long\n");
return;
}
memcpy (retPath.path.path, &(enc->payload[index]), retPath.path.pathLen);
index += retPath.path.pathLen;
retPath.extra.type = enc->payload[index++];
retPath.extra.dataLen = enc->payloadLen - index;
memcpy (retPath.extra.data, &(enc->payload[index]), retPath.extra.dataLen);
if ((enc->origFrame->header & ROUTE_TYPE_MASK) == ROUTE_TYPE_FLOOD ||
(enc->origFrame->header & ROUTE_TYPE_MASK) == ROUTE_TYPE_TRANSPORT_FLOOD) {
sendPathBack (enc->remNode, enc->path);
}
} else if (enc->type == PAYLOAD_TYPE_REQ) {
Request req;
req.timestamp = enc->payload[index++];
req.timestamp |= enc->payload[index++] << 8;
req.timestamp |= enc->payload[index++] << 16;
req.timestamp |= enc->payload[index++] << 24;
enc->remNode->last_seen_rt = req.timestamp;
req.requestType = enc->payload[index++];
req.dataLen = enc->payloadLen - index;
memcpy (req.data, &(enc->payload[index]), req.dataLen);
printRequest (&req);
if ((enc->origFrame->header & ROUTE_TYPE_MASK) == ROUTE_TYPE_FLOOD ||
(enc->origFrame->header & ROUTE_TYPE_MASK) == ROUTE_TYPE_TRANSPORT_FLOOD) {
sendPathBack (enc->remNode, enc->path);
}
switch (req.requestType) {
case REQUEST_GET_STATS: {
Response resp;
resp.tag = RTC_GetCounter();
stats.totalUpTimeSeconds = RTC_GetCounter() - startupTime;
stats.totalAirTimeSeconds = TICKS_TO_MS (tickAirtime / 1000);
memcpy (resp.data, &stats, sizeof (stats));
resp.dataLen = sizeof (stats);
sendEncryptedResponse (enc->remNode, &resp);
break;
}
case REQUEST_KEEPALIVE:
break;
case REQUEST_GET_TELEMETRY_DATA: {
Response resp;
resp.tag = req.timestamp;
enc->remNode->last_seen_rt = req.timestamp;
uint8_t index2 = 0;
resp.data[index2++] = TELEM_CHANNEL_SELF;
resp.data[index2++] = LPP_TEMPERATURE;
int16_t dataTemp = getDeciTemperature();
printf ("The temperature is %d decicelsius\n", dataTemp);
resp.data[index2++] = (dataTemp >> 8) & 0xFF;
resp.data[index2++] = dataTemp & 0xFF;
resp.data[index2++] = TELEM_CHANNEL_SELF;
resp.data[index2++] = LPP_VOLTAGE;
int16_t dataVolt = stats.millivolts / 10;
resp.data[index2++] = (dataVolt >> 8) & 0xFF;
resp.data[index2++] = dataVolt & 0xFF;
if (enc->remNode->authenticated) {
encode_gps (TELEM_CHANNEL_SELF, persistent.latitude / 1000000.0f, persistent.longitude / 1000000.0f, persistent.altitude / 100.0f, &(resp.data[index2]));
// encode_gps(TELEM_CHANNEL_SELF, 48.1909f, 17.0303f, 234.0f, &(resp.data[index2]));
index2 += LPP_GPS_SIZE;
}
if (enc->remNode->authenticated) {
resp.data[index2++] = 2;
resp.data[index2++] = LPP_TEMPERATURE;
int16_t jokeTemp = 6942;
resp.data[index2++] = (jokeTemp >> 8) & 0xFF;
resp.data[index2++] = jokeTemp & 0xFF;
resp.dataLen = index2;
}
sendEncryptedResponse (enc->remNode, &resp);
break;
}
case REQUEST_GET_MIN_MAX_AVG:
break;
case REQUEST_GET_ACCESS_LIST:
break;
}
} else if (enc->type == PAYLOAD_TYPE_RESPONSE) {
Response resp;
resp.tag = enc->payload[index++];
resp.tag |= enc->payload[index++] << 8;
resp.tag |= enc->payload[index++] << 16;
resp.tag |= enc->payload[index++] << 24;
resp.dataLen = enc->payloadLen - index;
memcpy (resp.data, &(enc->payload[index]), resp.dataLen);
printResponse (&resp);
} else if (enc->type == PAYLOAD_TYPE_TXT_MSG) {
PlainTextMessagePayload plaintext;
plaintext.timestamp = enc->payload[index++];
plaintext.timestamp |= enc->payload[index++] << 8;
plaintext.timestamp |= enc->payload[index++] << 16;
plaintext.timestamp |= enc->payload[index++] << 24;
enc->remNode->last_seen_rt = plaintext.timestamp;
plaintext.attempt = enc->payload[index] & 0x03;
plaintext.textType = enc->payload[index++] >> 2;
memcpy (plaintext.message, &(enc->payload[index]), enc->payloadLen - index);
if ((enc->origFrame->header & ROUTE_TYPE_MASK) == ROUTE_TYPE_FLOOD ||
(enc->origFrame->header & ROUTE_TYPE_MASK) == ROUTE_TYPE_TRANSPORT_FLOOD) {
sendPathBack (enc->remNode, enc->path);
}
switch (plaintext.textType) {
case TXT_TYPE_PLAIN:
printf ("Plaintext message from %s, attempt %d, timestamp %d: %s", enc->remNode->name, plaintext.attempt, plaintext.timestamp, plaintext.message);
break;
case TXT_TYPE_CLI_DATA:
if (enc->remNode->authenticated) {
processCommand (plaintext.message, enc->remNode);
}
break;
case TXT_TYPE_SIGNED_PLAIN: {
uint8_t senderPubKeyPrefix[4];
memcpy (senderPubKeyPrefix, plaintext.message, sizeof (senderPubKeyPrefix));
NodeEntry *senderNode = getNodePrefix (senderPubKeyPrefix);
printf ("Plaintext message from server %s, sender is %s, attempt %d, timestamp %d: %s", enc->remNode->name, senderNode->name, plaintext.attempt, plaintext.timestamp, &(plaintext.message[4]));
break;
}
default:
MESH_LOGW (TAG, "Unknown text type: %d", plaintext.textType);
break;
}
}
}
//#define STR_EQ_LIT(s, lit) (memcmp ((s), (lit), sizeof (lit) - 1) == 0)
#define STR_EQ_LIT(s, lit) (strcmp(s, lit) == 0)
void processCommand (char *cmd, NodeEntry *remNode) {
PlainTextMessagePayload replyPayload;
replyPayload.timestamp = RTC_GetCounter();
replyPayload.attempt = 0;
replyPayload.textType = TXT_TYPE_CLI_DATA;
uint8_t *reply = replyPayload.message;
reply[0] = 0;
while (*cmd == ' ') cmd++; // skip leading spaces
// Optional CLI prefix (xx|) for companion radio
if (strlen (cmd) > 4 && cmd[2] == '|') {
memcpy (reply, cmd, 3);
reply += 3;
cmd += 3;
}
/* ---------------- System ---------------- */
if (STR_EQ_LIT (cmd, "reboot")) {
NVIC_SystemReset();
} else if (STR_EQ_LIT (cmd, "advert")) {
sendAdvert (1); // 1500ms delay in reference
strcpy ((char *)reply, "OK - Advert sent");
} else if (STR_EQ_LIT (cmd, "clear stats")) {
memset (&stats, 0, sizeof (stats));
strcpy ((char *)reply, "(OK - stats reset)");
}
else if (STR_EQ_LIT (cmd, "ver")) {
sprintf ((char *)reply, "%s (Build: %s)", VERSION, __DATE__);
}
else if (STR_EQ_LIT (cmd, "board")) {
sprintf ((char *)reply, "%s", BOARD);
}
/* ---------------- Clock ---------------- */
else if (STR_EQ_LIT (cmd, "clock")) {
RTC_Get();
sprintf ((char *)reply, "%02d:%02d:%02d - %d/%d/%d UTC",
calendar.hour, calendar.min, calendar.sec,
calendar.w_date, calendar.w_month, calendar.w_year);
} else if (STR_EQ_LIT (cmd, "time ")) {
uint32_t secs = atoi (&cmd[5]);
uint32_t curr = RTC_GetCounter();
if (secs > curr) {
RTC_SetCounter (secs);
RTC_Get();
sprintf ((char *)reply, "OK - clock set: %02d:%02d:%02d - %d/%d/%d UTC",
calendar.hour, calendar.min, calendar.sec,
calendar.w_date, calendar.w_month, calendar.w_year);
} else {
strcpy ((char *)reply, "(ERR: clock cannot go backwards)");
}
} else if (STR_EQ_LIT (cmd, "clock sync")) {
uint32_t curr = RTC_GetCounter();
uint32_t sender = replyPayload.timestamp;
if (sender > curr) {
RTC_SetCounter (sender + 1);
RTC_Get();
sprintf ((char *)reply, "OK - clock set: %02d:%02d:%02d - %d/%d/%d UTC",
calendar.hour, calendar.min, calendar.sec,
calendar.w_date, calendar.w_month, calendar.w_year);
} else {
strcpy ((char *)reply, "ERR: clock cannot go backwards");
}
}
/*
else if (STR_EQ_LIT (cmd, "tempradio ")) {
char tmp[64];
strcpy (tmp, &cmd[10]);
const char *parts[5];
int num = mesh_ParseTextParts (tmp, parts, 5); // assume helper
float freq = num > 0 ? strtof (parts[0], NULL) : 0.0f;
float bw = num > 1 ? strtof (parts[1], NULL) : 0.0f;
uint8_t sf = num > 2 ? atoi (parts[2]) : 0;
uint8_t cr = num > 3 ? atoi (parts[3]) : 0;
int timeout_mins = num > 4 ? atoi (parts[4]) : 0;
if (freq >= 300.0f && freq <= 2500.0f && bw >= 7.0f && bw <= 500.0f &&
sf >= 5 && sf <= 12 && cr >= 5 && cr <= 8 && timeout_mins > 0) {
Callbacks_ApplyTempRadioParams (freq, bw, sf, cr, timeout_mins);
LoraApply();
sprintf ((char *)reply, "OK - temp params for %d mins", timeout_mins);
} else {
strcpy ((char *)reply, "Error, invalid params");
}
}
*/
/* ---------------- Password ---------------- */
else if (STR_EQ_LIT (cmd, "password ")) {
strncpy (persistent.password, &cmd[9], sizeof (persistent.password));
// savePrefs(); TODO add this
sprintf ((char *)reply, "password now: %s", persistent.password);
}
/* ---------------- GET / SET Config ---------------- */
else if (STR_EQ_LIT (cmd, "get ")) {
const char *config = &cmd[4];
if (memcmp (config, "af", 2) == 0) {
sprintf (reply, "> %f", persistent.airtimeFactor);
/*
} else if (memcmp (config, "int.thresh", 10) == 0) {
sprintf (reply, "> %d", (uint32_t)_prefs->interference_threshold);
} else if (memcmp (config, "agc.reset.interval", 18) == 0) {
sprintf (reply, "> %d", ((uint32_t)_prefs->agc_reset_interval) * 4);
} else if (memcmp (config, "multi.acks", 10) == 0) {
sprintf (reply, "> %d", (uint32_t)_prefs->multi_acks);
} else if (memcmp (config, "allow.read.only", 15) == 0) {
sprintf (reply, "> %s", _prefs->allow_read_only ? "on" : "off");
} else if (memcmp (config, "flood.advert.interval", 21) == 0) {
sprintf (reply, "> %d", (uint32_t)_prefs->flood_advert_interval);
} else if (memcmp (config, "advert.interval", 15) == 0) {
sprintf (reply, "> %d", ((uint32_t)_prefs->advert_interval) * 2);1
*/
} else if (memcmp (config, "guest.password", 14) == 0) {
sprintf (reply, "> %s", persistent.guestPassword);
} else if (memcmp (config, "name", 4) == 0) {
sprintf (reply, "> %s", persistent.nodeName);
} else if (memcmp (config, "repeat", 6) == 0) {
sprintf (reply, "> %s", persistent.doRepeat ? "on" : "off");
} else if (memcmp (config, "lat", 3) == 0) {
sprintf (reply, "> %d", persistent.latitude);
} else if (memcmp (config, "lon", 3) == 0) {
sprintf (reply, "> %d", persistent.longitude);
/*
} else if (memcmp (config, "radio", 5) == 0) {
char freq[16], bw[16];
snprintf(freq, sizeof(freq), "%lf", persistent.frequencyInHz / 1000000.0);
snprintf(bw, sizeof(bw), "%lf", loraBwToFloat(persistent.bandwidth));
sprintf (reply, "> %s,%s,%d,%d", freq, bw, persistent.spreadingFactor, persistent.codingRate + 4);
} else if (memcmp (config, "rxdelay", 7) == 0) {
sprintf (reply, "> %s", StrHelper::ftoa (_prefs->rx_delay_base));
} else if (memcmp (config, "txdelay", 7) == 0) {
sprintf (reply, "> %s", StrHelper::ftoa (_prefs->tx_delay_factor));
} else if (memcmp (config, "flood.max", 9) == 0) {
sprintf (reply, "> %d", (uint32_t)_prefs->flood_max);
} else if (memcmp (config, "direct.txdelay", 14) == 0) {
sprintf (reply, "> %s", StrHelper::ftoa (_prefs->direct_tx_delay_factor));
} else if (memcmp (config, "tx", 2) == 0 && (config[2] == 0 || config[2] == ' ')) {
sprintf (reply, "> %d", (uint32_t)_prefs->tx_power_dbm);
} else if (memcmp (config, "freq", 4) == 0) {
sprintf (reply, "> %s", StrHelper::ftoa (_prefs->freq));
*/
} else if (memcmp (config, "public.key", 10) == 0) {
strcpy (reply, "> ");
hexdump_compact(persistent.pubkey, sizeof(persistent.pubkey), &(reply[2]), 70);
} else if (memcmp (config, "role", 4) == 0) {
sprintf (reply, "> %s", getStringRole(persistent.nodeType));
} else if (memcmp (config, "adc.multiplier", 14) == 0) {
sprintf (reply, "> %.3f", persistent.adcMultiplier);
} else {
sprintf (reply, "??: %s", config);
}
} else if (STR_EQ_LIT (cmd, "set ")) {
const char *config = &cmd[4];
if (memcmp (config, "af ", 3) == 0) {
persistent.airtimeFactor = atof (&config[3]);
// savePrefs();
strcpy (reply, "OK");
/*
} else if (memcmp (config, "int.thresh ", 11) == 0) {
_prefs->interference_threshold = atoi (&config[11]);
// savePrefs();
strcpy (reply, "OK");
} else if (memcmp (config, "agc.reset.interval ", 19) == 0) {
_prefs->agc_reset_interval = atoi (&config[19]) / 4;
// savePrefs();
sprintf (reply, "OK - interval rounded to %d", ((uint32_t)_prefs->agc_reset_interval) * 4);
} else if (memcmp (config, "multi.acks ", 11) == 0) {
_prefs->multi_acks = atoi (&config[11]);
// savePrefs();
strcpy (reply, "OK");
*/
} else if (memcmp (config, "allow.read.only ", 16) == 0) {
if (memcmp (&config[16], "on", 2) == 0) {
persistent.allowReadOnly = 1;
strcpy (reply, "OK");
} else if (memcmp (&config[16], "off", 3) == 0) {
persistent.allowReadOnly = 0;
strcpy (reply, "OK");
}
//savePrefs();
/*
} else if (memcmp (config, "flood.advert.interval ", 22) == 0) {
int hours = _atoi (&config[22]);
if ((hours > 0 && hours < 3) || (hours > 48)) {
strcpy (reply, "Error: interval range is 3-48 hours");
} else {
_prefs->flood_advert_interval = (uint8_t)hours;
_callbacks->updateFloodAdvertTimer();
savePrefs();
strcpy (reply, "OK");
}
} else if (memcmp (config, "advert.interval ", 16) == 0) {
int mins = _atoi (&config[16]);
if ((mins > 0 && mins < MIN_LOCAL_ADVERT_INTERVAL) || (mins > 240)) {
sprintf (reply, "Error: interval range is %d-240 minutes", MIN_LOCAL_ADVERT_INTERVAL);
} else {
_prefs->advert_interval = (uint8_t)(mins / 2);
_callbacks->updateAdvertTimer();
savePrefs();
strcpy (reply, "OK");
}
*/
} else if (memcmp (config, "guest.password ", 15) == 0) {
strncpy (persistent.guestPassword, &config[15], sizeof (persistent.guestPassword));
// savePrefs();
strcpy (reply, "OK");
} else if (memcmp (config, "name ", 5) == 0) {
strncpy (persistent.nodeName, &config[5], sizeof (persistent.nodeName));
// savePrefs();
strcpy (reply, "OK");
} else if (memcmp (config, "repeat ", 7) == 0) {
if (memcmp (&config[7], "off", 3) == 0) {
persistent.doRepeat = 0;
} else if (memcmp (&config[7], "on", 2) == 0) {
persistent.doRepeat = 1;
}
// savePrefs();
strcpy (reply, persistent.doRepeat ? "OK - repeat is now ON" : "OK - repeat is now OFF");
/*
} else if (memcmp (config, "radio ", 6) == 0) {
strcpy (tmp, &config[6]);
const char *parts[4];
int num = mesh::Utils::parseTextParts (tmp, parts, 4);
float freq = num > 0 ? strtof (parts[0], 0) : 0.0f;
float bw = num > 1 ? strtof (parts[1], 0) : 0.0f;
uint8_t sf = num > 2 ? atoi (parts[2]) : 0;
uint8_t cr = num > 3 ? atoi (parts[3]) : 0;
if (freq >= 300.0f && freq <= 2500.0f && sf >= 5 && sf <= 12 && cr >= 5 && cr <= 8 && bw >= 7.0f && bw <= 500.0f) {
_prefs->sf = sf;
_prefs->cr = cr;
_prefs->freq = freq;
_prefs->bw = bw;
_callbacks->savePrefs();
strcpy (reply, "OK - reboot to apply");
} else {
strcpy (reply, "Error, invalid radio params");
}
*/
} else if (memcmp (config, "lat ", 4) == 0) {
double lat = atof (&config[4]);
lat *= 1000000;
persistent.latitude = lat;
// savePrefs();
strcpy (reply, "OK");
} else if (memcmp (config, "lon ", 4) == 0) {
double lon = atof (&config[4]);
lon *= 1000000;
persistent.longitude = lon;
// savePrefs();
strcpy (reply, "OK");
/*
} else if (memcmp (config, "rxdelay ", 8) == 0) {
float db = atof (&config[8]);
if (db >= 0) {
_prefs->rx_delay_base = db;
savePrefs();
strcpy (reply, "OK");
} else {
strcpy (reply, "Error, cannot be negative");
}
} else if (memcmp (config, "txdelay ", 8) == 0) {
float f = atof (&config[8]);
if (f >= 0) {
_prefs->tx_delay_factor = f;
savePrefs();
strcpy (reply, "OK");
} else {
strcpy (reply, "Error, cannot be negative");
}
} else if (memcmp (config, "flood.max ", 10) == 0) {
uint8_t m = atoi (&config[10]);
if (m <= 64) {
_prefs->flood_max = m;
savePrefs();
strcpy (reply, "OK");
} else {
strcpy (reply, "Error, max 64");
}
} else if (memcmp (config, "direct.txdelay ", 15) == 0) {
float f = atof (&config[15]);
if (f >= 0) {
_prefs->direct_tx_delay_factor = f;
savePrefs();
strcpy (reply, "OK");
} else {
strcpy (reply, "Error, cannot be negative");
}
} else if (memcmp (config, "tx ", 3) == 0) {
_prefs->tx_power_dbm = atoi (&config[3]);
savePrefs();
_callbacks->setTxPower (_prefs->tx_power_dbm);
strcpy (reply, "OK");
*/
} else if (memcmp (config, "freq ", 5) == 0) {
double freq = atof (&config[5]);
uint32_t newFreq = mhzToHzLimited (persistent.loraSettings.frequencyInHz);
if (newFreq != 0) {
persistent.loraSettings.frequencyInHz = newFreq;
}
// savePrefs();
strcpy (reply, "OK - reboot to apply");
} else if (memcmp (config, "adc.multiplier ", 15) == 0) {
persistent.adcMultiplier = atof (&config[15]);
if (persistent.adcMultiplier == 0.0f) {
strcpy (reply, "OK - using default board multiplier");
} else {
sprintf (reply, "OK - multiplier set to %.3f", persistent.adcMultiplier);
}
// savePrefs();
} else {
sprintf (reply, "unknown config: %s", config);
}
}
/* ---------------- Stats ---------------- */
else if (STR_EQ_LIT (cmd, "stats-packets")) {
sprintf (reply,
"{\"recv\":%u,\"sent\":%u,\"flood_tx\":%u,\"direct_tx\":%u,\"flood_rx\":%u,\"direct_rx\":%u}",
stats.packetsReceivedCount,
stats.packetsSentCount,
stats.sentFloodCount,
stats.sentDirectCount,
stats.receivedFloodCount,
stats.receivedDirectCount);
} else if (STR_EQ_LIT (cmd, "stats-radio")) {
sprintf (reply,
"{\"noise_floor\":%d,\"last_rssi\":%d,\"last_snr\":%.2f,\"tx_air_secs\":%u,\"rx_air_secs\":%u}",
stats.noiseFloor,
stats.lastRSSI,
stats.lastSNR / 4.0,
stats.totalAirTimeSeconds,
stats.total_rx_air_time_secs);
} else if (STR_EQ_LIT (cmd, "stats-core")) {
stats.totalUpTimeSeconds = RTC_GetCounter() - startupTime;
stats.totalAirTimeSeconds = TICKS_TO_MS (tickAirtime / 1000);
sprintf (reply,
"{\"battery_mv\":%u,\"uptime_secs\":%u,\"errors\":%u,\"queue_len\":%u}",
getVoltage(),
stats.totalUpTimeSeconds,
stats.err_events,
stats.txQueueLength);
}
/* ---------------- Unknown ---------------- */
else {
strcpy ((char *)reply, "Unknown command");
}
sendEncryptedTextMessage (remNode, &replyPayload);
}