HS-Esslingen/esp-firewall
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simplify

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This commit is contained in:
Florian Hoss 2022-05-02 16:42:06 +02:00
parent a40b81b45d
commit ef86c4f8f6
3 changed files with 21 additions and 25 deletions
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29
ESPFirewall/lib/Firewall/src/API.cpp
View file

@ -116,13 +116,9 @@ namespace fw
int rule_number = atoi(param.c_str());
firewall_rule_t *rule_ptr = get_rule_from_firewall(rule_number);
if (rule_ptr == NULL)
{
this->json_message_response("rule not found", 404);
}
else
{
this->json_generic_response(construct_json_firewall_rule(rule_ptr), 200);
}
}
void API::get_firewall_rules_handler()
@ -138,20 +134,11 @@ namespace fw
return;
if (request_has_firewall_parameter())
{
firewall_rule_t *rule_ptr = (firewall_rule_t *)malloc(sizeof(firewall_rule_t));
rule_ptr->key = ++amount_of_rules;
String source = this->server->arg("source");
strncpy(rule_ptr->source, source.c_str(), sizeof(rule_ptr->source));
String destination = this->server->arg("destination");
strncpy(rule_ptr->destination, destination.c_str(), sizeof(rule_ptr->destination));
String protocol = this->server->arg("protocol");
rule_ptr->protocol = string_to_protocol(protocol);
String target = this->server->arg("target");
rule_ptr->target = string_to_target(target);
add_rule_to_firewall(rule_ptr);
firewall_rule_t *rule_ptr = add_rule_to_firewall(
this->server->arg("source"),
this->server->arg("destination"),
this->server->arg("protocol"),
this->server->arg("target"));
this->json_generic_response(this->construct_json_firewall_rule(rule_ptr), 200);
}
else
@ -167,21 +154,15 @@ namespace fw
String param = this->server->pathArg(0);
int rule_number = atoi(param.c_str());
if (delete_rule_from_firewall(rule_number) == SUCCESS)
{
this->json_message_response("firewall rule deleted", 200);
}
else
{
this->json_message_response("cannot delete firewall rule", 500);
}
}
bool API::request_has_firewall_parameter()
{
if (!this->server->args())
{
return false;
}
else
{
return this->server->hasArg("source") ||

16
ESPFirewall/lib/Firewall/src/Rules.cpp
View file

@ -36,7 +36,21 @@ namespace fw
}
temp->next = rule_ptr;
rule_ptr->next = NULL;
return;
}
firewall_rule_t *Rules::add_rule_to_firewall(String source, String destination, String protocol, String target)
{
firewall_rule_t *rule_ptr = (firewall_rule_t *)malloc(sizeof(firewall_rule_t));
rule_ptr->key = ++amount_of_rules;
strncpy(rule_ptr->source, source.c_str(), sizeof(rule_ptr->source));
strncpy(rule_ptr->destination, destination.c_str(), sizeof(rule_ptr->destination));
rule_ptr->protocol = string_to_protocol(protocol);
rule_ptr->target = string_to_target(target);
add_rule_to_firewall(rule_ptr);
return rule_ptr;
}
firewall_rule_t *Rules::get_rule_from_firewall(uint8_t key)

1
ESPFirewall/lib/Firewall/src/Rules.hpp
View file

@ -13,6 +13,7 @@ namespace fw
firewall_rule_t *rule_head = NULL;
void add_rule_to_firewall(firewall_rule_t *);
firewall_rule_t *add_rule_to_firewall(String source, String destination, String protocol, String target);
firewall_rule_t *get_rule_from_firewall(uint8_t);
ok_t delete_rule_from_firewall(uint8_t);