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network: do not send DHCPRELEASE when CriticalConnection= is enabled

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This commit is contained in:
Yu Watanabe 2019-05-28 05:45:10 +09:00
parent 8ad8292452
commit efdb62dfd0
1 changed files with 15 additions and 2 deletions
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17
src/network/networkd-dhcp4.c
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@ -649,15 +649,28 @@ static int dhcp4_handler(sd_dhcp_client *client, int event, void *userdata) {
return log_link_warning_errno(link, r, "Could not acquire IPv4 link-local address: %m");
}
if (link->network->dhcp_critical) {
log_link_notice(link, "DHCPv4 connection considered critical, ignoring request to reconfigure it.");
return 0;
}
if (link->network->dhcp_send_release)
(void) sd_dhcp_client_send_release(client);
_fallthrough_;
if (link->dhcp_lease) {
r = dhcp_lease_lost(link);
if (r < 0) {
link_enter_failed(link);
return r;
}
}
break;
case SD_DHCP_CLIENT_EVENT_EXPIRED:
case SD_DHCP_CLIENT_EVENT_IP_CHANGE:
if (link->network->dhcp_critical) {
log_link_notice(link, "DHCPv4 connection considered system critical, ignoring request to reconfigure it.");
log_link_notice(link, "DHCPv4 connection considered critical, ignoring request to reconfigure it.");
return 0;
}