Fix IPv6 nasl builtin function (#2045)

* Fix: add function alias for forge_ip_v6_packet()

* fix nasl example

* add more function aliases

Author: jjnicola

rust/examples/forge_tcp_v6.nasl

@@ -26,10 +26,9 @@ dport = 63322;
 
 filter = string("tcp and src ", src, " and dst ", dst);
 
-ip6 = forge_ip_v6_packet( ip6_v: 6, # IP6_v,
-                         ip6_p: 6, #IP6_P,
-                         ip6_plen:40,
-                         ip6_hlim:IP6_HLIM,
+ip6 = forge_ip_v6_packet( ip6_p: 6, #IP6_P,
+                         ip6_hlim: 64, #IP6_HLIM,
+                         ip6_v: 6, # IP6_v,
                          ip6_src: src,
                          ip6_dst: dst);
 
@@ -44,10 +43,7 @@ tcp = forge_tcp_v6_packet(ip6       : ip6,
                        th_off   : 5,
                        th_win   : 1024,
                        th_urp   : 0,
-                       tcp_opt  : 3,
-                       tcp_opt_val  : 7,
                        data: "123456",
-                       update_ip_len: TRUE
                        );
 
 dump_tcp_v6_packet(tcp);

rust/src/nasl/builtin/raw_ip/packet_forgery.rs

@@ -2451,7 +2451,6 @@ fn dump_ip_v6_packet(positional: CheckedPositionals<Ipv6Packet>) {
 /// - th_win: is the TCP window size. NASL will convert it into network order if necessary. 0 by default.
 /// - th_sum: is the TCP checksum. By default, the right value is computed.
 /// - th_urp: is the urgent pointer. 0 by default.
-/// - update_ip_len: is a flag (TRUE by default). If set, NASL will recompute the size field of the IP datagram.
 ///
 /// The modified IP datagram or NULL on error.
 #[nasl_function(named(
@@ -3317,10 +3316,16 @@ function_set! {
         (nasl_send_capture, "send_capture"),
 
       //IPv6
+
+        (forge_ip_v6_packet, "forge_ipv6_packet"), // this alias is deprecated.
         forge_ip_v6_packet,
+        (get_ip_v6_element, "get_ipv6_element"),
         get_ip_v6_element,
+        (set_ip_v6_elements,"set_ipv6_elements"),
         set_ip_v6_elements,
+        (insert_ip_v6_options, "insert_ipv6_options"),
         insert_ip_v6_options,
+        (dump_ip_v6_packet,"dump_ipv6_packet"),
         dump_ip_v6_packet,
         forge_tcp_v6_packet,
         (get_tcp_element, "get_tcp_v6_element"),