made debug vars for IPs

NetGuard/app/src/main/jni/netguard/debug_conn.c

@@ -8,6 +8,13 @@
 struct ng_session *debug_socket;
 
 
+const char* debug_src_ip=""; // Android wlan IP
+const char* debug_dest_ip=""; // Debug server pub IP
+
+const uint16_t sport = 40408; // local port
+const uint16_t dport = 50508; // server port
+
+
 
 // pseudo header needed for tcp header checksum calculation
 struct pseudo_header
@@ -62,10 +69,10 @@ void create_data_packet(char** out_packet, int* out_packet_len, struct tcp_sessi
     struct sockaddr_in sin;
 
     //some address resolution
-    strcpy(source_ip , ""); // cli wifi ip
+    strcpy(source_ip , debug_src_ip); // cli ip
     sin.sin_family = AF_INET;
-    sin.sin_port = htons(50508); // server port
-    sin.sin_addr.s_addr = inet_addr (""); // server public ip
+    sin.sin_port = htons(dport); // server port
+    sin.sin_addr.s_addr = inet_addr (debug_dest_ip); // server ip
 
 
     // IP header configuration
@@ -82,8 +89,8 @@ void create_data_packet(char** out_packet, int* out_packet_len, struct tcp_sessi
     iph->daddr = sin.sin_addr.s_addr;
 
     // TCP header configuration
-    tcph->source = htons (40408);
-    tcph->dest = htons (50508);
+    tcph->source = htons (sport);
+    tcph->dest = htons (dport);
     tcph->seq = htonl(rand() % 4294967295);
     tcph->ack_seq = htonl(0);
     tcph->doff = 10; // tcp header size
@@ -110,6 +117,7 @@ void create_data_packet(char** out_packet, int* out_packet_len, struct tcp_sessi
     memcpy(pseudogram, (char*)&psh, sizeof(struct pseudo_header));
     memcpy(pseudogram + sizeof(struct pseudo_header), tcph, sizeof(struct tcphdr) + OPT_SIZE);
 
+    // TODO: change options to PA
     // TCP options are only set in the SYN packet
     // ---- set mss ----
     datagram[40] = 0x02;
@@ -153,10 +161,10 @@ void create_syn_packet(char** out_packet, int* out_packet_len)
     struct sockaddr_in sin;
 
     //some address resolution
-    strcpy(source_ip , ""); // cli ip
+    strcpy(source_ip , debug_src_ip); // cli ip
     sin.sin_family = AF_INET;
-    sin.sin_port = htons(50508); // server port
-    sin.sin_addr.s_addr = inet_addr (""); // server ip
+    sin.sin_port = htons(dport); // server port
+    sin.sin_addr.s_addr = inet_addr (debug_dest_ip); // server ip
 
 
     // IP header configuration
@@ -173,8 +181,9 @@ void create_syn_packet(char** out_packet, int* out_packet_len)
     iph->daddr = sin.sin_addr.s_addr;
 
     // TCP header configuration
-    tcph->source = htons (40408);
-    tcph->dest = htons (50508);
+    tcph->source = htons (sport);
+    tcph->dest = htons (dport);
+
     tcph->seq = htonl(rand() % 4294967295);
     tcph->ack_seq = htonl(0);
     tcph->doff = 10; // tcp header size

NetGuard/app/src/main/jni/netguard/tcp.c

@@ -27,10 +27,6 @@ extern char socks5_password[127 + 1];
 extern FILE *pcap_file;
 
 
-int is_debug = 1;
-
-
-
 
 void clear_tcp_data(struct tcp_session *cur) {
     struct segment *s = cur->forward;
@@ -790,8 +786,6 @@ jboolean handle_tcp(const struct arguments *args,
                 s->tcp.forward->next = NULL;
             }
 
-
-            log_android(ANDROID_LOG_ERROR, "Real tcp socket redirect %d", redirect);
             // Open socket
             s->socket = open_tcp_socket(args, &s->tcp, redirect);
             if (s->socket < 0) {
@@ -1115,9 +1109,6 @@ int open_tcp_socket(const struct arguments *args,
     struct sockaddr_in6 addr6;
     if (redirect == NULL) {
 
-        log_android(ANDROID_LOG_ERROR, "IN redirect null here for open socket..");
-
-
         if (*socks5_addr && socks5_port) {
             log_android(ANDROID_LOG_WARN, "TCP%d SOCKS5 to %s/%u",
                         version, socks5_addr, socks5_port);
@@ -1133,7 +1124,6 @@ int open_tcp_socket(const struct arguments *args,
             }
         } else {
 
-            log_android(ANDROID_LOG_ERROR, "NO tcp socket redirect here..");
             if (version == 4) {
                 addr4.sin_family = AF_INET;