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create firewall rule set on startup

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This commit is contained in:
Florian Hoss 2022-04-18 17:55:34 +02:00
parent 06b122de64
commit 66dffbc2fc
1 changed files with 15 additions and 15 deletions
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30
SourceCode/arduino/lib/Firewall/Firewall.cpp
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@ -3,6 +3,7 @@
ESPFirewall::ESPFirewall(int port)
{
this->setup_eeprom();
this->eeprom_read_firewall_rules();
log_i("Starting Firewall-API on %i", port);
this->firewall_api = new AsyncWebServer(port);
this->setup_routing();
@ -57,9 +58,6 @@ firewall_target_t ESPFirewall::string_to_target(String &target)
void ESPFirewall::setup_eeprom()
{
EEPROM.begin(this->eeprom_size);
this->amount_of_rules = 0;
// this->amount_of_rules = EEPROM.readUChar(this->eeprom_settings_head);
log_i("Amount of Rules %i", this->amount_of_rules);
}
void ESPFirewall::eeprom_write_firewall_rule(firewall_rule_t *rule_ptr)
@ -87,15 +85,18 @@ void ESPFirewall::eeprom_read_firewall_rule(uint8_t &eeprom_address)
eeprom_address += sizeof(firewall_protocol_t);
rule_ptr->target = static_cast<firewall_target_t>(EEPROM.read(eeprom_address));
eeprom_address += sizeof(firewall_target_t);
log_i("Source: %s, Destination: %s, Protocol: %u, Target: %u",
add_rule_to_firewall(rule_ptr);
log_i("%s, %s, %s, %s",
rule_ptr->source,
rule_ptr->destination,
rule_ptr->protocol,
rule_ptr->target);
protocol_to_string(rule_ptr->protocol),
target_to_string(rule_ptr->target));
}
void ESPFirewall::eeprom_read_firewall_rules()
{
this->amount_of_rules = EEPROM.readUChar(this->eeprom_settings_head);
log_i("Amount of existing Rules %i", this->amount_of_rules);
uint8_t eeprom_address = eeprom_start_firewall_rules;
for (uint8_t i = 0; i < this->amount_of_rules; i++)
{
@ -103,29 +104,29 @@ void ESPFirewall::eeprom_read_firewall_rules()
}
}
void ESPFirewall::add_rule_to_firewall(firewall_rule_t *rule)
void ESPFirewall::add_rule_to_firewall(firewall_rule_t *rule_ptr)
{
firewall_rule_t *temp;
if (head == NULL)
if (this->head == NULL)
{
head = rule;
rule->next = NULL;
this->head = rule_ptr;
rule_ptr->next = NULL;
return;
}
temp = head;
temp = this->head;
while (temp->next != NULL)
{
temp = temp->next;
}
temp->next = rule;
rule->next = NULL;
temp->next = rule_ptr;
rule_ptr->next = NULL;
return;
}
firewall_rule_t *ESPFirewall::get_rule_from_firewall(int key)
{
firewall_rule_t *rule_ptr = this->head;
if (head == NULL)
if (this->head == NULL)
{
return NULL;
}
@ -258,7 +259,6 @@ void ESPFirewall::get_firewall_rule_handler(AsyncWebServerRequest *request)
void ESPFirewall::get_firewall_rules_handler(AsyncWebServerRequest *request)
{
eeprom_read_firewall_rules();
String response = construct_json_firewall();
request->send(200, "application/json", response);
}