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Merge pull request #13018 from yuwata/network-tunnel-follow-up-13016

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network: drop assertions about Tunnel.family
This commit is contained in:
Lennart Poettering 2019-07-11 12:10:39 +02:00 committed by GitHub
commit 66d3159739
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13 changed files with 107 additions and 30 deletions
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32
src/network/netdev/tunnel.c
View File

@ -44,7 +44,6 @@ static int netdev_ipip_sit_fill_message_create(NetDev *netdev, Link *link, sd_ne
assert(m);
assert(t);
assert(t->family == AF_INET);
if (link || t->assign_to_loopback) {
r = sd_netlink_message_append_u32(m, IFLA_IPTUN_LINK, link ? link->ifindex : LOOPBACK_IFINDEX);
@ -136,7 +135,6 @@ static int netdev_gre_erspan_fill_message_create(NetDev *netdev, Link *link, sd_
}
assert(t);
assert(t->family == AF_INET);
if (link || t->assign_to_loopback) {
r = sd_netlink_message_append_u32(m, IFLA_GRE_LINK, link ? link->ifindex : LOOPBACK_IFINDEX);
@ -239,7 +237,6 @@ static int netdev_ip6gre_fill_message_create(NetDev *netdev, Link *link, sd_netl
t = IP6GRETAP(netdev);
assert(t);
assert(t->family == AF_INET6);
assert(m);
if (link || t->assign_to_loopback) {
@ -287,8 +284,6 @@ static int netdev_vti_fill_message_create(NetDev *netdev, Link *link, sd_netlink
t = VTI6(netdev);
assert(t);
assert((netdev->kind == NETDEV_KIND_VTI && t->family == AF_INET) ||
(netdev->kind == NETDEV_KIND_VTI6 && t->family == AF_INET6));
if (link || t->assign_to_loopback) {
r = sd_netlink_message_append_u32(m, IFLA_VTI_LINK, link ? link->ifindex : LOOPBACK_IFINDEX);
@ -330,7 +325,6 @@ static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_netl
assert(netdev);
assert(m);
assert(t);
assert(t->family == AF_INET6);
if (link || t->assign_to_loopback) {
r = sd_netlink_message_append_u32(m, IFLA_IPTUN_LINK, link ? link->ifindex : LOOPBACK_IFINDEX);
@ -435,26 +429,20 @@ static int netdev_tunnel_verify(NetDev *netdev, const char *filename) {
assert(t);
if (IN_SET(netdev->kind, NETDEV_KIND_VTI, NETDEV_KIND_IPIP, NETDEV_KIND_SIT, NETDEV_KIND_GRE)) {
if (t->family == AF_UNSPEC)
t->family = AF_INET;
if (t->family != AF_INET)
return log_netdev_error_errno(netdev, SYNTHETIC_ERRNO(EINVAL),
"vti/ipip/sit/gre tunnel without a local/remote IPv4 address configured in %s. Ignoring", filename);
}
if (IN_SET(netdev->kind, NETDEV_KIND_VTI, NETDEV_KIND_IPIP, NETDEV_KIND_SIT, NETDEV_KIND_GRE) &&
!IN_SET(t->family, AF_UNSPEC, AF_INET))
return log_netdev_error_errno(netdev, SYNTHETIC_ERRNO(EINVAL),
"vti/ipip/sit/gre tunnel without a local/remote IPv4 address configured in %s. Ignoring", filename);
if (IN_SET(netdev->kind, NETDEV_KIND_GRETAP, NETDEV_KIND_ERSPAN) &&
(t->family != AF_INET || in_addr_is_null(t->family, &t->remote)))
return log_netdev_error_errno(netdev, SYNTHETIC_ERRNO(EINVAL),
"gretap/erspan tunnel without a remote IPv4 address configured in %s. Ignoring", filename);
if (IN_SET(netdev->kind, NETDEV_KIND_VTI6, NETDEV_KIND_IP6TNL, NETDEV_KIND_IP6GRE)) {
if (t->family == AF_UNSPEC)
t->family = AF_INET6;
if (t->family != AF_INET6)
return log_netdev_error_errno(netdev, SYNTHETIC_ERRNO(EINVAL),
"vti6/ip6tnl/ip6gre tunnel without a local/remote IPv6 address configured in %s. Ignoring", filename);
}
if ((IN_SET(netdev->kind, NETDEV_KIND_VTI6, NETDEV_KIND_IP6TNL) && t->family != AF_INET6) ||
(netdev->kind == NETDEV_KIND_IP6GRE && !IN_SET(t->family, AF_UNSPEC, AF_INET6)))
return log_netdev_error_errno(netdev, SYNTHETIC_ERRNO(EINVAL),
"vti6/ip6tnl/ip6gre tunnel without a local/remote IPv6 address configured in %s. Ignoring", filename);
if (netdev->kind == NETDEV_KIND_IP6GRETAP &&
(t->family != AF_INET6 || in_addr_is_null(t->family, &t->remote)))
@ -473,6 +461,10 @@ static int netdev_tunnel_verify(NetDev *netdev, const char *filename) {
if (netdev->kind == NETDEV_KIND_ERSPAN && (t->erspan_index >= (1 << 20) || t->erspan_index == 0))
return log_netdev_error_errno(netdev, SYNTHETIC_ERRNO(EINVAL), "Invalid erspan index %d. Ignoring", t->erspan_index);
/* netlink_message_append_in_addr_union() is used for vti/vti6. So, t->family cannot be AF_UNSPEC. */
if (netdev->kind == NETDEV_KIND_VTI)
t->family = AF_INET;
return 0;
}

9
test/test-network/conf/25-gre-tunnel-any-any.netdev Normal file
View File

@ -0,0 +1,9 @@
[NetDev]
Name=gretun96
Kind=gre
[Tunnel]
Local=any
Remote=any
Key=106
SerializeTunneledPackets=false

7
test/test-network/conf/25-ip6gre-tunnel-any-any.netdev Normal file
View File

@ -0,0 +1,7 @@
[NetDev]
Name=ip6gretun96
Kind=ip6gre
[Tunnel]
Local=any
Remote=any

8
test/test-network/conf/25-ipip-tunnel-any-any.netdev Normal file
View File

@ -0,0 +1,8 @@
[NetDev]
Name=ipiptun96
Kind=ipip
MTUBytes=1480
[Tunnel]
Local=any
Remote=any

7
test/test-network/conf/25-sit-tunnel-any-any.netdev Normal file
View File

@ -0,0 +1,7 @@
[NetDev]
Name=sittun96
Kind=sit
[Tunnel]
Local=any
Remote=any

8
test/test-network/conf/25-tunnel-any-any.network Normal file
View File

@ -0,0 +1,8 @@
[Match]
Name=*tun96
[Network]
IPv6AcceptRA=no
Address=2001:db8:0:f102::19/64
Address=10.3.2.6/16
LinkLocalAddressing=yes

7
test/test-network/conf/25-vti-tunnel-any-any.netdev Normal file
View File

@ -0,0 +1,7 @@
[NetDev]
Name=vtitun96
Kind=vti
[Tunnel]
Local=any
Remote=any

1
test/test-network/conf/gretun.network
View File

@ -5,3 +5,4 @@ Name=dummy98
Tunnel=gretun99
Tunnel=gretun98
Tunnel=gretun97
Tunnel=gretun96

1
test/test-network/conf/ip6gretun.network
View File

@ -5,3 +5,4 @@ Name=dummy98
Tunnel=ip6gretun99
Tunnel=ip6gretun98
Tunnel=ip6gretun97
Tunnel=ip6gretun96

1
test/test-network/conf/ipip.network
View File

@ -5,3 +5,4 @@ Name=dummy98
Tunnel=ipiptun99
Tunnel=ipiptun98
Tunnel=ipiptun97
Tunnel=ipiptun96

1
test/test-network/conf/sit.network
View File

@ -5,3 +5,4 @@ Name=dummy98
Tunnel=sittun99
Tunnel=sittun98
Tunnel=sittun97
Tunnel=sittun96

1
test/test-network/conf/vti.network
View File

@ -5,3 +5,4 @@ Name=dummy98
Tunnel=vtitun99
Tunnel=vtitun98
Tunnel=vtitun97
Tunnel=vtitun96

54
test/test-network/systemd-networkd-tests.py
View File

@ -483,6 +483,7 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
'gretun99',
'ip6gretap98',
'ip6gretap99',
'ip6gretun96',
'ip6gretun97',
'ip6gretun98',
'ip6gretun99',
@ -513,6 +514,7 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
'vti6tun97',
'vti6tun98',
'vti6tun99',
'vtitun96',
'vtitun97',
'vtitun98',
'vtitun99',
@ -552,17 +554,21 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
'25-geneve.netdev',
'25-gretap-tunnel-local-any.netdev',
'25-gretap-tunnel.netdev',
'25-gre-tunnel-any-any.netdev',
'25-gre-tunnel-local-any.netdev',
'25-gre-tunnel-remote-any.netdev',
'25-gre-tunnel.netdev',
'25-ip6gretap-tunnel-local-any.netdev',
'25-ip6gretap-tunnel.netdev',
'25-ip6gre-tunnel-any-any.netdev',
'25-ip6gre-tunnel-local-any.netdev',
'25-ip6gre-tunnel-remote-any.netdev',
'25-ip6gre-tunnel.netdev',
'25-ip6tnl-tunnel-remote-any.netdev',
'25-ip6tnl-tunnel-any-any.netdev',
'25-ip6tnl-tunnel-local-any.netdev',
'25-ip6tnl-tunnel-remote-any.netdev',
'25-ip6tnl-tunnel.netdev',
'25-ipip-tunnel-any-any.netdev',
'25-ipip-tunnel-independent.netdev',
'25-ipip-tunnel-independent-loopback.netdev',
'25-ipip-tunnel-local-any.netdev',
@ -575,6 +581,7 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
'25-macsec.netdev',
'25-macsec.network',
'25-nlmon.netdev',
'25-sit-tunnel-any-any.netdev',
'25-sit-tunnel-local-any.netdev',
'25-sit-tunnel-remote-any.netdev',
'25-sit-tunnel.netdev',
@ -586,9 +593,11 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
'25-vcan.netdev',
'25-veth.netdev',
'25-vrf.netdev',
'25-vti6-tunnel-any-any.netdev',
'25-vti6-tunnel-local-any.netdev',
'25-vti6-tunnel-remote-any.netdev',
'25-vti6-tunnel.netdev',
'25-vti-tunnel-any-any.netdev',
'25-vti-tunnel-local-any.netdev',
'25-vti-tunnel-remote-any.netdev',
'25-vti-tunnel.netdev',
@ -916,9 +925,10 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
copy_unit_to_networkd_unit_path('12-dummy.netdev', 'ipip.network',
'25-ipip-tunnel.netdev', '25-tunnel.network',
'25-ipip-tunnel-local-any.netdev', '25-tunnel-local-any.network',
'25-ipip-tunnel-remote-any.netdev', '25-tunnel-remote-any.network')
'25-ipip-tunnel-remote-any.netdev', '25-tunnel-remote-any.network',
'25-ipip-tunnel-any-any.netdev', '25-tunnel-any-any.network')
start_networkd()
wait_online(['ipiptun99:routable', 'ipiptun98:routable', 'ipiptun97:routable', 'dummy98:degraded'])
wait_online(['ipiptun99:routable', 'ipiptun98:routable', 'ipiptun97:routable', 'ipiptun96:routable', 'dummy98:degraded'])
output = check_output('ip -d link show ipiptun99')
print(output)
@ -929,14 +939,18 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
output = check_output('ip -d link show ipiptun97')
print(output)
self.assertRegex(output, 'ipip (?:ipip |)remote any local 192.168.223.238 dev dummy98')
output = check_output('ip -d link show ipiptun96')
print(output)
self.assertRegex(output, 'ipip (?:ipip |)remote any local any dev dummy98')
def test_gre_tunnel(self):
copy_unit_to_networkd_unit_path('12-dummy.netdev', 'gretun.network',
'25-gre-tunnel.netdev', '25-tunnel.network',
'25-gre-tunnel-local-any.netdev', '25-tunnel-local-any.network',
'25-gre-tunnel-remote-any.netdev', '25-tunnel-remote-any.network')
'25-gre-tunnel-remote-any.netdev', '25-tunnel-remote-any.network',
'25-gre-tunnel-any-any.netdev', '25-tunnel-any-any.network')
start_networkd()
wait_online(['gretun99:routable', 'gretun98:routable', 'gretun97:routable', 'dummy98:degraded'])
wait_online(['gretun99:routable', 'gretun98:routable', 'gretun97:routable', 'gretun96:routable', 'dummy98:degraded'])
output = check_output('ip -d link show gretun99')
print(output)
@ -959,12 +973,20 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
self.assertRegex(output, 'okey 0.0.0.105')
self.assertNotRegex(output, 'iseq')
self.assertNotRegex(output, 'oseq')
output = check_output('ip -d link show gretun96')
print(output)
self.assertRegex(output, 'gre remote any local any dev dummy98')
self.assertRegex(output, 'ikey 0.0.0.106')
self.assertRegex(output, 'okey 0.0.0.106')
self.assertNotRegex(output, 'iseq')
self.assertNotRegex(output, 'oseq')
def test_ip6gre_tunnel(self):
copy_unit_to_networkd_unit_path('12-dummy.netdev', 'ip6gretun.network',
'25-ip6gre-tunnel.netdev', '25-tunnel.network',
'25-ip6gre-tunnel-local-any.netdev', '25-tunnel-local-any.network',
'25-ip6gre-tunnel-remote-any.netdev', '25-tunnel-remote-any.network')
'25-ip6gre-tunnel-remote-any.netdev', '25-tunnel-remote-any.network',
'25-ip6gre-tunnel-any-any.netdev', '25-tunnel-any-any.network')
start_networkd(5)
# Old kernels seem not to support IPv6LL address on ip6gre tunnel, So please do not use wait_online() here.
@ -973,6 +995,7 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
self.check_link_exists('ip6gretun99')
self.check_link_exists('ip6gretun98')
self.check_link_exists('ip6gretun97')
self.check_link_exists('ip6gretun96')
output = check_output('ip -d link show ip6gretun99')
print(output)
@ -983,6 +1006,9 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
output = check_output('ip -d link show ip6gretun97')
print(output)
self.assertRegex(output, 'ip6gre remote any local 2a00:ffde:4567:edde::4987 dev dummy98')
output = check_output('ip -d link show ip6gretun96')
print(output)
self.assertRegex(output, 'ip6gre remote any local any dev dummy98')
def test_gretap_tunnel(self):
copy_unit_to_networkd_unit_path('12-dummy.netdev', 'gretap.network',
@ -1024,9 +1050,10 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
copy_unit_to_networkd_unit_path('12-dummy.netdev', 'vti.network',
'25-vti-tunnel.netdev', '25-tunnel.network',
'25-vti-tunnel-local-any.netdev', '25-tunnel-local-any.network',
'25-vti-tunnel-remote-any.netdev', '25-tunnel-remote-any.network')
'25-vti-tunnel-remote-any.netdev', '25-tunnel-remote-any.network',
'25-vti-tunnel-any-any.netdev', '25-tunnel-any-any.network')
start_networkd()
wait_online(['vtitun99:routable', 'vtitun98:routable', 'vtitun97:routable', 'dummy98:degraded'])
wait_online(['vtitun99:routable', 'vtitun98:routable', 'vtitun97:routable', 'vtitun96:routable', 'dummy98:degraded'])
output = check_output('ip -d link show vtitun99')
print(output)
@ -1037,6 +1064,9 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
output = check_output('ip -d link show vtitun97')
print(output)
self.assertRegex(output, 'vti remote any local 10.65.223.238 dev dummy98')
output = check_output('ip -d link show vtitun96')
print(output)
self.assertRegex(output, 'vti remote any local any dev dummy98')
def test_vti6_tunnel(self):
copy_unit_to_networkd_unit_path('12-dummy.netdev', 'vti6.network',
@ -1078,9 +1108,10 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
copy_unit_to_networkd_unit_path('12-dummy.netdev', 'sit.network',
'25-sit-tunnel.netdev', '25-tunnel.network',
'25-sit-tunnel-local-any.netdev', '25-tunnel-local-any.network',
'25-sit-tunnel-remote-any.netdev', '25-tunnel-remote-any.network')
'25-sit-tunnel-remote-any.netdev', '25-tunnel-remote-any.network',
'25-sit-tunnel-any-any.netdev', '25-tunnel-any-any.network')
start_networkd()
wait_online(['sittun99:routable', 'sittun98:routable', 'sittun97:routable', 'dummy98:degraded'])
wait_online(['sittun99:routable', 'sittun98:routable', 'sittun97:routable', 'sittun96:routable', 'dummy98:degraded'])
output = check_output('ip -d link show sittun99')
print(output)
@ -1091,6 +1122,9 @@ class NetworkdNetDevTests(unittest.TestCase, Utilities):
output = check_output('ip -d link show sittun97')
print(output)
self.assertRegex(output, "sit (?:ip6ip |)remote any local 10.65.223.238 dev dummy98")
output = check_output('ip -d link show sittun96')
print(output)
self.assertRegex(output, "sit (?:ip6ip |)remote any local any dev dummy98")
def test_isatap_tunnel(self):
copy_unit_to_networkd_unit_path('12-dummy.netdev', 'isatap.network',