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Merge pull request #2387 from GNS3/bugfix/3588

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Fix check to test if IPv6 is enabled on host
This commit is contained in:
Jeremy Grossmann 2024-06-17 16:54:20 +02:00 committed by GitHub
commit a58fb320ac
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2 changed files with 29 additions and 8 deletions
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17
gns3server/compute/qemu/qemu_vm.py
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@ -47,7 +47,7 @@ from ..base_node import BaseNode
from ...schemas.qemu import QEMU_OBJECT_SCHEMA, QEMU_PLATFORMS
from ...utils.asyncio import monitor_process
from ...utils.images import md5sum
from ...utils import macaddress_to_int, int_to_macaddress
from ...utils import macaddress_to_int, int_to_macaddress, is_ipv6_enabled
import logging
@ -1672,13 +1672,14 @@ class QemuVM(BaseNode):
if self._console:
console_host = self._manager.port_manager.console_host
if console_host == "0.0.0.0":
if socket.has_ipv6:
# to fix an issue with Qemu when IPv4 is not enabled
# see https://github.com/GNS3/gns3-gui/issues/2352
# FIXME: consider making this more global (not just for Qemu + SPICE)
console_host = "::"
else:
raise QemuError("IPv6 must be enabled in order to use the SPICE console")
try:
if is_ipv6_enabled():
# to fix an issue with Qemu when IPv4 is not enabled
# see https://github.com/GNS3/gns3-gui/issues/2352
# FIXME: consider making this more global (not just for Qemu + SPICE)
console_host = "::"
except OSError as e:
raise QemuError("Could not check if IPv6 is enabled: {}".format(e))
return ["-spice",
"addr={},port={},disable-ticketing".format(console_host, self._console),
"-vga", "qxl"]

20
gns3server/utils/__init__.py
View File

@ -21,6 +21,8 @@ import re
import shlex
import textwrap
import posixpath
import socket
import errno
def force_unix_path(path):
@ -100,3 +102,21 @@ def shlex_quote(s):
return s if re.match(r'^[-_\w./]+$', s) else '"%s"' % s.replace('"', '\\"')
else:
return shlex.quote(s)
def is_ipv6_enabled() -> bool:
if not socket.has_ipv6:
return False # the socket library has no support for IPv6
try:
with socket.socket(socket.AF_INET6, socket.SOCK_STREAM) as sock:
sock.bind(("::1", 0))
return True
except OSError as e:
if e.errno in (errno.EADDRNOTAVAIL, errno.EAFNOSUPPORT):
# EADDRNOTAVAIL is the errno if IPv6 modules/drivers are loaded but disabled.
# EAFNOSUPPORT is the errno if IPv6 modules/drivers are not loaded at all.
return False
if e.errno == errno.EADDRINUSE:
return True
raise