Fix IPv6 binding to any IP

portal/__init__.py

@@ -1,4 +1,4 @@
-__version__ = '3.2.4'
+__version__ = '3.3.0'
 
 import multiprocessing as mp
 try:

portal/server_socket.py

@@ -42,10 +42,10 @@ def __init__(self, port, name='Server', **kwargs):
     self.options = Options(**{**contextlib.context.serverkw, **kwargs})
     if self.options.ipv6:
       self.sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
-      self.addr = (self.options.host, port, 0, 0)
+      self.addr = (self.options.host or '::', port, 0, 0)
     else:
       self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-      self.addr = (self.options.host, port)
+      self.addr = (self.options.host or '0.0.0.0', port)
     self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
     # self.sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
     self._log(f'Binding to {self.addr[0]}:{self.addr[1]}')

portal/utils.py

@@ -98,10 +98,12 @@ def free_port():
   # Return a port that is currently free. This function is not thread or
   # process safe, because there is no way to guarantee that the port will still
   # be free at the time it will be used.
-  if contextlib.context.serverkw.get('ipv6', False):
-    family, addr = socket.AF_INET6, ('localhost', 0, 0, 0)
+  ipv6 = contextlib.context.serverkw.get('ipv6', False)
+  host = contextlib.context.serverkw.get('host', '')
+  if ipv6:
+    family, addr = socket.AF_INET6, (host or '::', 0, 0, 0)
   else:
-    family, addr = socket.AF_INET, ('localhost', 0)
+    family, addr = socket.AF_INET, (host or '0.0.0.0', 0)
   sock = socket.socket(family, socket.SOCK_STREAM)
   sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
   sock.bind(addr)