139 lines
4.2 KiB
C++
139 lines
4.2 KiB
C++
#include "esp32Storage.hpp"
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namespace firewall
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{
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Storage::Storage()
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{
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this->mount_spiffs();
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}
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Storage::~Storage()
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{
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}
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void Storage::mount_spiffs()
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{
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if (!SPIFFS.begin(false))
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{
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if (!SPIFFS.begin(true))
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{
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log_e("SPIFFS cannot be mounted");
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while (true)
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delay(500);
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};
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}
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log_i("SPIFFS mounted");
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}
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uint8_t Storage::retrieve_settings_value(const char *key)
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{
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uint8_t amount_of_rules;
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this->memory.begin("settings", true);
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amount_of_rules = memory.getUChar(key, 0);
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this->memory.end();
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return amount_of_rules;
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}
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void Storage::store_settings_value(const char *key, const uint8_t new_amount)
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{
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this->memory.begin("settings", false);
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this->memory.putUChar(key, new_amount);
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this->memory.end();
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}
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firewall_rule_t *Storage::retrieve_firewall_rule(const uint8_t key)
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{
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firewall_rule_t *rule_ptr = (firewall_rule_t *)malloc(sizeof(firewall_rule_t));
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rule_ptr->key = key;
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char rulename[9]; // fwRule99\n
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sprintf(rulename, "fwRule%i", key);
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this->memory.begin(rulename, true);
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strcpy(rule_ptr->source, this->memory.getString("source", "0.0.0.0").c_str());
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strcpy(rule_ptr->destination, this->memory.getString("destination", "0.0.0.0").c_str());
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rule_ptr->protocol = static_cast<firewall_protocol_t>(this->memory.getUChar("protocol", FW_ALL));
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rule_ptr->target = static_cast<firewall_target_t>(this->memory.getUChar("target", FW_REJECT));
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this->memory.end();
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return rule_ptr;
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}
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void Storage::store_firewall_rule(firewall_rule_t *rule_ptr)
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{
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char rulename[9]; // fwRule99\n
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sprintf(rulename, "fwRule%i", rule_ptr->key);
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this->memory.begin(rulename, false);
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this->memory.putString("source", rule_ptr->source);
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this->memory.putString("destination", rule_ptr->destination);
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this->memory.putUChar("protocol", rule_ptr->protocol);
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this->memory.putUChar("target", rule_ptr->target);
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this->memory.end();
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}
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httpsserver::SSLCert *Storage::retrieve_certificate()
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{
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File keyFile = SPIFFS.open("/key.der");
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File certFile = SPIFFS.open("/cert.der");
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if (!keyFile || !certFile || keyFile.size() == 0 || certFile.size() == 0)
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{
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log_w("No certificate found in SPIFFS");
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return NULL;
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}
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size_t keySize = keyFile.size();
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size_t certSize = certFile.size();
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uint8_t *keyBuffer = new uint8_t[keySize];
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if (keyBuffer == NULL)
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{
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log_w("Not enough memory to load privat key");
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return NULL;
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}
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uint8_t *certBuffer = new uint8_t[certSize];
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if (certBuffer == NULL)
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{
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delete[] keyBuffer;
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log_w("Not enough memory to load certificate");
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return NULL;
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}
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keyFile.read(keyBuffer, keySize);
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certFile.read(certBuffer, certSize);
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keyFile.close();
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certFile.close();
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return new httpsserver::SSLCert(certBuffer, certSize, keyBuffer, keySize);
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}
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void Storage::store_certificate(httpsserver::SSLCert *certificate)
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{
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File keyFile = SPIFFS.open("/key.der");
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File certFile = SPIFFS.open("/cert.der");
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bool failure = false;
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keyFile = SPIFFS.open("/key.der", FILE_WRITE);
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if (!keyFile || !keyFile.write(certificate->getPKData(), certificate->getPKLength()))
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{
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log_w("Could not write /key.der");
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failure = true;
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}
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if (keyFile)
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keyFile.close();
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certFile = SPIFFS.open("/cert.der", FILE_WRITE);
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if (!certFile || !certFile.write(certificate->getCertData(), certificate->getCertLength()))
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{
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log_w("Could not write /key.der");
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failure = true;
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}
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if (certFile)
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certFile.close();
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if (failure)
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{
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log_w("Certificate could not be stored permanently, generating new certificate on reboot...");
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}
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}
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}
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