void transportSaveRoutingTable(void)
{
#if defined(MY_RAM_ROUTING_TABLE_ENABLED)
hwWriteConfigBlock((void*)&_transportRoutingTable.route, (void*)EEPROM_ROUTES_ADDRESS, SIZE_ROUTES);
TRANSPORT_DEBUG(PSTR("TSF:SRT:OK\n")); // save routing table
#endif
}
void hwWriteConfig(int adr, uint8_t value)
{
uint8_t curr = hwReadConfig(adr);
if (curr != value)
{
hwWriteConfigBlock(&value, reinterpret_cast<void*>(adr), 1);
}
}
// Helper to process presentation mesages
static bool signerInternalProcessPresentation(MyMessage &msg)
{
const uint8_t sender = msg.sender;
#if defined(MY_SIGNING_FEATURE)
if (msg.data[0] != SIGNING_PRESENTATION_VERSION_1) {
SIGN_DEBUG(PSTR("Unsupported signing presentation version (%d)!\n"), msg.data[0]);
return true; // Just drop this presentation message
}
// We only handle version 1 here...
if (msg.data[1] & SIGNING_PRESENTATION_REQUIRE_SIGNATURES) {
// We received an indicator that the sender require us to sign all messages we send to it
SIGN_DEBUG(PSTR("Mark node %d as one that require signed messages\n"), sender);
SET_SIGN(sender);
} else {
// We received an indicator that the sender does not require us to sign all messages we send to it
SIGN_DEBUG(PSTR("Mark node %d as one that do not require signed messages\n"), sender);
CLEAR_SIGN(sender);
}
if (msg.data[1] & SIGNING_PRESENTATION_REQUIRE_WHITELISTING) {
// We received an indicator that the sender require us to salt signatures with serial
SIGN_DEBUG(PSTR("Mark node %d as one that require whitelisting\n"), sender);
SET_WHITELIST(sender);
} else {
// We received an indicator that the sender does not require us to sign all messages we send to it
SIGN_DEBUG(PSTR("Mark node %d as one that do not require whitelisting\n"), sender);
CLEAR_WHITELIST(sender);
}
// Save updated tables
hwWriteConfigBlock((void*)_doSign, (void*)EEPROM_SIGNING_REQUIREMENT_TABLE_ADDRESS,
sizeof(_doSign));
hwWriteConfigBlock((void*)_doWhitelist, (void*)EEPROM_WHITELIST_REQUIREMENT_TABLE_ADDRESS,
sizeof(_doWhitelist));
// Inform sender about our preference if we are a gateway, but only require signing if the sender
// required signing unless we explicitly configure it to
#if defined(MY_GATEWAY_FEATURE)
prepareSigningPresentation(msg, sender);
#if defined(MY_SIGNING_REQUEST_SIGNATURES)
#if defined(MY_SIGNING_GW_REQUEST_SIGNATURES_FROM_ALL)
msg.data[1] |= SIGNING_PRESENTATION_REQUIRE_SIGNATURES;
#else
if (DO_SIGN(sender)) {
msg.data[1] |= SIGNING_PRESENTATION_REQUIRE_SIGNATURES;
}
#endif
#endif // MY_SIGNING_REQUEST_SIGNATURES
#if defined(MY_SIGNING_NODE_WHITELISTING)
#if defined(MY_SIGNING_GW_REQUEST_SIGNATURES_FROM_ALL)
msg.data[1] |= SIGNING_PRESENTATION_REQUIRE_WHITELISTING;
#else
if (DO_WHITELIST(sender)) {
msg.data[1] |= SIGNING_PRESENTATION_REQUIRE_WHITELISTING;
}
#endif
#endif // MY_SIGNING_NODE_WHITELISTING
if (msg.data[1] & SIGNING_PRESENTATION_REQUIRE_SIGNATURES) {
SIGN_DEBUG(PSTR("Informing node %d that we require signatures\n"), sender);
} else {
SIGN_DEBUG(PSTR("Informing node %d that we do not require signatures\n"), sender);
}
if (msg.data[1] & SIGNING_PRESENTATION_REQUIRE_WHITELISTING) {
SIGN_DEBUG(PSTR("Informing node %d that we require whitelisting\n"), sender);
} else {
SIGN_DEBUG(PSTR("Informing node %d that we do not require whitelisting\n"), sender);
}
if (!_sendRoute(msg)) {
SIGN_DEBUG(PSTR("Failed to transmit signing presentation!\n"));
}
#endif // MY_GATEWAY_FEATURE
#else // not MY_SIGNING_FEATURE
#if defined(MY_GATEWAY_FEATURE)
// If we act as gateway and do not have the signing feature and receive a signing request we still
// need to do make sure the requester does not believe the gateway still require signatures
prepareSigningPresentation(msg, sender);
SIGN_DEBUG(
PSTR("Informing node %d that we do not require signatures because we do not support it\n"),
sender);
if (!_sendRoute(msg)) {
SIGN_DEBUG(PSTR("Failed to transmit signing presentation!\n"));
}
#else // not MY_GATEWAY_FEATURE
// If we act as a node and do not have the signing feature then we just silently drop any signing
// presentation messages received
(void)msg;
(void)sender;
SIGN_DEBUG(PSTR("Received signing presentation, but signing is not supported (message ignored)\n"));
#endif // not MY_GATEWAY_FEATURE
#endif // not MY_SIGNING_FEATURE
return true; // No need to further process I_SIGNING_PRESENTATION
}
void hwWriteConfig(const int addr, uint8_t value)
{
hwWriteConfigBlock(&value, reinterpret_cast<void*>(addr), 1);
}
