diff options
| -rw-r--r-- | conf.c | 10 | ||||
| -rw-r--r-- | passt.1 | 6 |
2 files changed, 11 insertions, 5 deletions
@@ -665,8 +665,7 @@ static unsigned int conf_ip4(unsigned int ifi, if (MAC_IS_ZERO(mac)) nl_link(0, ifi, mac, 0, 0); - if (IN4_IS_ADDR_UNSPECIFIED(&ip4->gw) || - IN4_IS_ADDR_UNSPECIFIED(&ip4->addr) || + if (IN4_IS_ADDR_UNSPECIFIED(&ip4->addr) || MAC_IS_ZERO(mac)) return 0; @@ -708,7 +707,6 @@ static unsigned int conf_ip6(unsigned int ifi, nl_link(0, ifi, mac, 0, 0); if (IN6_IS_ADDR_UNSPECIFIED(&ip6->gw) || - IN6_IS_ADDR_UNSPECIFIED(&ip6->addr) || IN6_IS_ADDR_UNSPECIFIED(&ip6->addr_ll) || MAC_IS_ZERO(mac)) return 0; @@ -1660,6 +1658,12 @@ void conf(struct ctx *c, int argc, char **argv) (*c->ip6.ifname_out && !c->ifi6)) die("External interface not usable"); + if (c->ifi4 && IN4_IS_ADDR_UNSPECIFIED(&c->ip4.gw)) + c->no_map_gw = c->no_dhcp = 1; + + if (c->ifi6 && IN6_IS_ADDR_UNSPECIFIED(&c->ip6.gw)) + c->no_map_gw = 1; + /* Inbound port options can be parsed now (after IPv4/IPv6 settings) */ optind = 1; do { @@ -281,7 +281,8 @@ guest or target namespace will be silently dropped. .TP .BR \-\-no-dhcp Disable the DHCP server. DHCP client requests coming from guest or target -namespace will be silently dropped. +namespace will be silently dropped. Implied if there is no gateway on the +selected IPv4 default route. .TP .BR \-\-no-ndp @@ -301,7 +302,8 @@ namespace will be ignored. .TP .BR \-\-no-map-gw Don't remap TCP connections and untracked UDP traffic, with the gateway address -as destination, to the host. +as destination, to the host. Implied if there is no gateway on the selected +default route for any of the enabled address families. .TP .BR \-4 ", " \-\-ipv4-only |