Support for DNS subdomains

protocols @ 5cf2ab50

-Subproject commit 9f79c30e33e8e2625c274c90482fddf259685b76
+Subproject commit 5cf2ab501e6fba18273a5dd4e337b1416bf88bc9

profile_translator_blocklist/templates/callback.c.j2

@@ -215,6 +215,7 @@ uint32_t callback_{{nfqueue_name}}(int pkt_id, int pkt_len, uint8_t *payload, vo
         {% if "domain_name" in nfq_match["template"] %}
         {% set domain_name = nfq_match["match"] %}
         domain_name = "{{domain_name}}";
+        subdomain = "{{domain_name.split('.', 1)[1]}}";
         ip_list = dns_get_ip_from_name(dns_message.answers, dns_message.header.ancount, domain_name);
         {% endif %}
         {% endif %}
@@ -225,7 +226,7 @@ uint32_t callback_{{nfqueue_name}}(int pkt_id, int pkt_len, uint8_t *payload, vo
         {% if is_dns_response.value %}
         if (ip_list.ip_count > 0) {
             // Add IP addresses to DNS map
-            dns_map_add(dns_map, domain_name, ip_list);
+            dns_map_add(dns_map, subdomain, ip_list);
         }
         {% endif %}
 

profile_translator_blocklist/templates/main.c.j2

@@ -115,10 +115,11 @@ int main(int argc, char *argv[]) {
         ret = dns_receive_response(sockfd, &server_addr, &dns_response);
         if (ret == 0) {
             ip_list = dns_get_ip_from_name(dns_response.answers, dns_response.header.ancount, "{{name}}");
-            dns_map_add(dns_map, "{{name}}", ip_list);
+            {% set subdomain = name.split(".", 1)[1] %}
+            dns_map_add(dns_map, "{{subdomain}}", ip_list);
             #ifdef DEBUG
             // Check DNS map has been correctly updated
-            dns_entry = dns_map_get(dns_map, "{{name}}");
+            dns_entry = dns_map_get(dns_map, "{{subdomain}}");
             dns_entry_print(dns_entry);
             #endif /* DEBUG */
         }