Merge pull request #63 from ivre/enh-ip-from-cmd

Add option for list of IP addresses to bind in CLI

README.md

@@ -83,6 +83,25 @@ The pcaps can then be analyzed using [zeek](https://zeek.org/) and the output fi
 
 A documentation on how to deploy an instance of **masscanned** on a VPS is coming (see [Issue #2](https://github.com/ivre/masscanned/issues/2)).
 
+### Supported options
+
+```
+Network responder - answer them all 0.2.0
+Network answering machine for various network protocols (L2-L3-L4 + applications)
+
+USAGE:
+    masscanned [OPTIONS] --iface <iface>
+
+OPTIONS:
+    -h, --help                     Print help information
+    -i, --iface <iface>            the interface to use for receiving/sending packets
+        --ip-addr <iplist>         Inline list of IP addresses to impersonate, comma-separated
+        --ip-addr-file <ipfile>    File with the list of IP addresses to impersonate
+    -m, --mac-addr <mac>           MAC address to use in the response packets
+    -v                             Increase message verbosity
+    -V, --version                  Print version information
+```
+
 ## Supported protocols - details
 
 ### Layer 2

src/masscanned.rs

@@ -116,18 +116,23 @@ fn main() {
         )
         .arg(
             Arg::new("mac")
-                .short('a')
+                .short('m')
                 .long("mac-addr")
                 .help("MAC address to use in the response packets")
                 .takes_value(true),
         )
         .arg(
-            Arg::new("ip")
-                .short('f')
+            Arg::new("ipfile")
                 .long("ip-addr-file")
                 .help("File with the list of IP addresses to impersonate")
                 .takes_value(true),
         )
+        .arg(
+            Arg::new("iplist")
+                .long("ip-addr")
+                .help("Inline list of IP addresses to impersonate, comma-separated")
+                .takes_value(true),
+        )
         .arg(
             Arg::new("verbosity")
                 .short('v')
@@ -173,7 +178,7 @@ fn main() {
     };
     /* Parse ip address file specified */
     /* FIXME: .and_then(|path| File::open(path).map(|file| )).unwrap_or_default() ? */
-    let ip_list = if let Some(ref path) = args.value_of("ip") {
+    let mut ip_list = if let Some(ref path) = args.value_of("ipfile") {
         if let Ok(file) = File::open(path) {
             info!("parsing ip address file: {}", &path);
             file.extract_ip_addresses_only(None)
@@ -183,9 +188,17 @@ fn main() {
     } else {
         HashSet::new()
     };
+    if let Some(ip_inline_list) = args.value_of("iplist") {
+        ip_list.extend(ip_inline_list.extract_ip_addresses_only(None));
+    }
     let ip_addresses = if !ip_list.is_empty() {
+        for ip in &ip_list {
+            info!("binding........{}", ip);
+        }
         Some(&ip_list)
     } else {
+        info!("binding........0.0.0.0");
+        info!("binding........::");
         None
     };
     let mut masscanned = Masscanned {

src/utils/parsers.rs

@@ -134,6 +134,43 @@ impl IpAddrParser for File {
     }
 }
 
+/* Parse IP addresses from a comma-separated list in a string */
+impl IpAddrParser for &str {
+    fn extract_ip_addresses_with_count(
+        self,
+        _blacklist: Option<HashSet<IpAddr>>,
+    ) -> HashMap<IpAddr, u32> {
+        panic!("not implemented");
+    }
+
+    fn extract_ip_addresses_only(self, blacklist: Option<HashSet<IpAddr>>) -> HashSet<IpAddr> {
+        let mut ip_addresses = HashSet::new();
+        for line in self.split(",") {
+            /* Should never occur */
+            if line.is_empty() {
+                warn!("cannot parse line: {}", line);
+                continue;
+            }
+            let ip: IpAddr;
+            if let Ok(val) = line.parse::<Ipv4Addr>() {
+                ip = IpAddr::V4(val);
+            } else if let Ok(val) = line.parse::<Ipv6Addr>() {
+                ip = IpAddr::V6(val);
+            } else {
+                warn!("cannot parse IP address from line: {}", line);
+                continue;
+            }
+            if let Some(ref b) = blacklist {
+                if b.contains(&ip) {
+                    info!("[blacklist] ignoring {}", &ip);
+                    continue;
+                }
+            }
+            ip_addresses.insert(ip);
+        }
+        ip_addresses
+    }
+}
 /* Get the IP address of source and dest. from an IP packet.
  * works with both IPv4 and IPv6 packets/addresses */
 fn extract_ip(pkt: Packet) -> Option<(IpAddr, IpAddr)> {

test/test_masscanned.py

@@ -163,9 +163,9 @@ masscanned = subprocess.Popen(
         "-vvvvv",
         "-i",
         f"{IFACE}b",
-        "-f",
+        "--ip-addr-file",
         ipfile.name,
-        "-a",
+        "-m",
         MAC_ADDR,
     ]
     # if args in CLI, they are passed to masscanned