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network: support gre tunnel or friends with Local=any Remote=any

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Fixes .
This commit is contained in:
Yu Watanabe 2019-07-11 01:37:24 +09:00 committed by Lennart Poettering
parent 261e7d9270
commit feb0c8b86f
1 changed files with 14 additions and 8 deletions

22
src/network/netdev/tunnel.c

@ -435,20 +435,26 @@ 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, NETDEV_KIND_GRETAP) &&
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)) {
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_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, NETDEV_KIND_IP6GRETAP) &&
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, 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 (netdev->kind == NETDEV_KIND_IP6GRETAP &&
(t->family != AF_INET6 || in_addr_is_null(t->family, &t->remote)))