Require Dynamips 0.2.23 and bind Dynamips hypervisor on 127.0.0.1

gns3server/compute/dynamips/__init__.py

@@ -278,10 +278,14 @@ class Dynamips(BaseManager):
         if not working_dir:
             working_dir = tempfile.gettempdir()
 
-        # FIXME: hypervisor should always listen to 127.0.0.1
-        # See https://github.com/GNS3/dynamips/issues/62
-        server_config = self.config.get_section_config("Server")
-        server_host = server_config.get("host")
+        if not sys.platform.startswith("win"):
+            # Hypervisor should always listen to 127.0.0.1
+            # See https://github.com/GNS3/dynamips/issues/62
+            # This was fixed in Dynamips v0.2.23 which hasn't been built for Windows
+            server_host = "127.0.0.1"
+        else:
+            server_config = self.config.get_section_config("Server")
+            server_host = server_config.get("host")
 
         try:
             info = socket.getaddrinfo(server_host, 0, socket.AF_UNSPEC, socket.SOCK_STREAM, 0, socket.AI_PASSIVE)
@@ -306,6 +310,8 @@ class Dynamips(BaseManager):
         await hypervisor.connect()
         if parse_version(hypervisor.version) < parse_version('0.2.11'):
             raise DynamipsError("Dynamips version must be >= 0.2.11, detected version is {}".format(hypervisor.version))
+        if not sys.platform.startswith("win") and parse_version(hypervisor.version) < parse_version('0.2.23'):
+            raise DynamipsError("Dynamips version must be >= 0.2.23 on Linux/macOS, detected version is {}".format(hypervisor.version))
 
         return hypervisor
 

gns3server/compute/dynamips/hypervisor.py

@@ -24,6 +24,7 @@ import os
 import subprocess
 import asyncio
 
+from gns3server.utils import parse_version
 from gns3server.utils.asyncio import wait_for_process_termination
 from .dynamips_hypervisor import DynamipsHypervisor
 from .dynamips_error import DynamipsError
@@ -204,11 +205,9 @@ class Hypervisor(DynamipsHypervisor):
         command = [self._path]
         command.extend(["-N1"])  # use instance IDs for filenames
         command.extend(["-l", "dynamips_i{}_log.txt".format(self._id)])  # log file
-        # Dynamips cannot listen for hypervisor commands and for console connections on
-        # 2 different IP addresses.
-        # See https://github.com/GNS3/dynamips/issues/62
-        if self._console_host != "0.0.0.0" and self._console_host != "::":
-            command.extend(["-H", "{}:{}".format(self._host, self._port)])
+        if parse_version(self.version) >= parse_version('0.2.23'):
+            command.extend(["-H", "{}:{}".format(self._host, self._port), "--console-binding-addr", self._console_host])
         else:
             command.extend(["-H", str(self._port)])
+
         return command

gns3server/compute/port_manager.py

@@ -16,6 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import socket
+import ipaddress
 from aiohttp.web import HTTPConflict
 from gns3server.config import Config
 
@@ -91,6 +92,12 @@ class PortManager:
         if remote_console_connections:
             log.warning("Remote console connections are allowed")
             self._console_host = "0.0.0.0"
+            try:
+                ip = ipaddress.ip_address(new_host)
+                if isinstance(ip, ipaddress.IPv6Address):
+                    self._console_host = "::"
+            except ValueError:
+                log.warning("Could not determine IP address type for console host")
         else:
             self._console_host = new_host