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authorUmut Tezduyar Lindskog <umut.tezduyar@axis.com>2014-04-29 22:40:38 +0200
committerTom Gundersen <teg@jklm.no>2014-04-30 00:05:28 +0200
commit8ddbeaa23c20659fe3b1b79502d746aceb396ce8 (patch)
tree13cad63b8eb176509ee4b3eb69f1fd121c5da61a /src/network/networkd-link.c
parent7e141e498c73ec7c8b61a0df37c4937f1d6becc7 (diff)
networkd: dont configure route if lease doesn't have one
Diffstat (limited to 'src/network/networkd-link.c')
-rw-r--r--src/network/networkd-link.c160
1 files changed, 89 insertions, 71 deletions
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index d3b2b14b21..058fbc24f1 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -301,55 +301,60 @@ static int link_enter_set_routes(Link *link) {
struct in_addr gateway;
r = sd_dhcp_lease_get_router(link->dhcp_lease, &gateway);
- if (r < 0) {
- log_warning_link(link, "DHCP error: no router: %s",
- strerror(-r));
+ if (r < 0 && r != -ENOENT) {
+ log_warning_link(link, "DHCP error: %s", strerror(-r));
return r;
}
- r = route_new_dynamic(&route);
- if (r < 0) {
- log_error_link(link, "Could not allocate route: %s",
- strerror(-r));
- return r;
- }
+ if (r >= 0) {
+ r = route_new_dynamic(&route);
+ if (r < 0) {
+ log_error_link(link, "Could not allocate route: %s",
+ strerror(-r));
+ return r;
+ }
- r = route_new_dynamic(&route_gw);
- if (r < 0) {
- log_error_link(link, "Could not allocate route: %s",
- strerror(-r));
- return r;
- }
+ r = route_new_dynamic(&route_gw);
+ if (r < 0) {
+ log_error_link(link, "Could not allocate route: %s",
+ strerror(-r));
+ return r;
+ }
- /* The dhcp netmask may mask out the gateway. Add an explicit
- * route for the gw host so that we can route no matter the
- * netmask or existing kernel route tables. */
- route_gw->family = AF_INET;
- route_gw->dst_addr.in = gateway;
- route_gw->dst_prefixlen = 32;
- route_gw->scope = RT_SCOPE_LINK;
+ /* The dhcp netmask may mask out the gateway. Add an explicit
+ * route for the gw host so that we can route no matter the
+ * netmask or existing kernel route tables. */
+ route_gw->family = AF_INET;
+ route_gw->dst_addr.in = gateway;
+ route_gw->dst_prefixlen = 32;
+ route_gw->scope = RT_SCOPE_LINK;
- r = route_configure(route_gw, link, &route_handler);
- if (r < 0) {
- log_warning_link(link,
- "could not set host route: %s", strerror(-r));
- return r;
- }
+ r = route_configure(route_gw, link, &route_handler);
+ if (r < 0) {
+ log_warning_link(link,
+ "could not set host route: %s", strerror(-r));
+ return r;
+ }
- link->route_messages ++;
+ link->route_messages ++;
- route->family = AF_INET;
- route->in_addr.in = gateway;
+ route->family = AF_INET;
+ route->in_addr.in = gateway;
- r = route_configure(route, link, &route_handler);
- if (r < 0) {
- log_warning_link(link,
- "could not set routes: %s", strerror(-r));
- link_enter_failed(link);
- return r;
+ r = route_configure(route, link, &route_handler);
+ if (r < 0) {
+ log_warning_link(link,
+ "could not set routes: %s", strerror(-r));
+ link_enter_failed(link);
+ return r;
+ }
+
+ link->route_messages ++;
}
+ }
- link->route_messages ++;
+ if (link->route_messages == 0) {
+ link_enter_configured(link);
}
return 0;
@@ -680,29 +685,31 @@ static int dhcp_lease_lost(Link *link) {
r = address_new_dynamic(&address);
if (r >= 0) {
- sd_dhcp_lease_get_address(link->dhcp_lease, &addr);
- sd_dhcp_lease_get_netmask(link->dhcp_lease, &netmask);
- sd_dhcp_lease_get_router(link->dhcp_lease, &gateway);
- prefixlen = net_netmask_to_prefixlen(&netmask);
-
- r = route_new_dynamic(&route_gw);
+ r = sd_dhcp_lease_get_router(link->dhcp_lease, &gateway);
if (r >= 0) {
- route_gw->family = AF_INET;
- route_gw->dst_addr.in = gateway;
- route_gw->dst_prefixlen = 32;
- route_gw->scope = RT_SCOPE_LINK;
+ r = route_new_dynamic(&route_gw);
+ if (r >= 0) {
+ route_gw->family = AF_INET;
+ route_gw->dst_addr.in = gateway;
+ route_gw->dst_prefixlen = 32;
+ route_gw->scope = RT_SCOPE_LINK;
- route_drop(route_gw, link, &route_drop_handler);
- }
+ route_drop(route_gw, link, &route_drop_handler);
+ }
- r = route_new_dynamic(&route);
- if (r >= 0) {
- route->family = AF_INET;
- route->in_addr.in = gateway;
+ r = route_new_dynamic(&route);
+ if (r >= 0) {
+ route->family = AF_INET;
+ route->in_addr.in = gateway;
- route_drop(route, link, &route_drop_handler);
+ route_drop(route, link, &route_drop_handler);
+ }
}
+ sd_dhcp_lease_get_address(link->dhcp_lease, &addr);
+ sd_dhcp_lease_get_netmask(link->dhcp_lease, &netmask);
+ prefixlen = net_netmask_to_prefixlen(&netmask);
+
address->family = AF_INET;
address->in_addr.in = addr;
address->prefixlen = prefixlen;
@@ -777,25 +784,36 @@ static int dhcp_lease_acquired(sd_dhcp_client *client, Link *link) {
prefixlen = net_netmask_to_prefixlen(&netmask);
r = sd_dhcp_lease_get_router(lease, &gateway);
- if (r < 0) {
- log_warning_link(link, "DHCP error: no router: %s",
- strerror(-r));
+ if (r < 0 && r != -ENOENT) {
+ log_warning_link(link, "DHCP error: %s", strerror(-r));
return r;
}
- log_struct_link(LOG_INFO, link,
- "MESSAGE=%s: DHCPv4 address %u.%u.%u.%u/%u via %u.%u.%u.%u",
- link->ifname,
- ADDRESS_FMT_VAL(address),
- prefixlen,
- ADDRESS_FMT_VAL(gateway),
- "ADDRESS=%u.%u.%u.%u",
- ADDRESS_FMT_VAL(address),
- "PREFIXLEN=%u",
- prefixlen,
- "GATEWAY=%u.%u.%u.%u",
- ADDRESS_FMT_VAL(gateway),
- NULL);
+ if (r >= 0)
+ log_struct_link(LOG_INFO, link,
+ "MESSAGE=%s: DHCPv4 address %u.%u.%u.%u/%u via %u.%u.%u.%u",
+ link->ifname,
+ ADDRESS_FMT_VAL(address),
+ prefixlen,
+ ADDRESS_FMT_VAL(gateway),
+ "ADDRESS=%u.%u.%u.%u",
+ ADDRESS_FMT_VAL(address),
+ "PREFIXLEN=%u",
+ prefixlen,
+ "GATEWAY=%u.%u.%u.%u",
+ ADDRESS_FMT_VAL(gateway),
+ NULL);
+ else
+ log_struct_link(LOG_INFO, link,
+ "MESSAGE=%s: DHCPv4 address %u.%u.%u.%u/%u",
+ link->ifname,
+ ADDRESS_FMT_VAL(address),
+ prefixlen,
+ "ADDRESS=%u.%u.%u.%u",
+ ADDRESS_FMT_VAL(address),
+ "PREFIXLEN=%u",
+ prefixlen,
+ NULL);
link->dhcp_lease = lease;