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networkd: fix reporting errors from hostnamed
[elogind.git] / src / network / networkd-link.c
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 86d4b83d3b98cb1568b2b64432bc9f787e401c8a..7db71c0b70a97b0c5514529dccac86f90d4192af 100644 (file)
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -46,7 +46,6 @@ static int link_new(Manager *manager, sd_rtnl_message *message, Link **ret) {
         int r, ifindex;
 
         assert(manager);
-        assert(manager->links);
         assert(message);
         assert(ret);
 
@@ -82,17 +81,19 @@ static int link_new(Manager *manager, sd_rtnl_message *message, Link **ret) {
         if (r < 0)
                 log_debug_link(link, "MAC address not found for new device, continuing without");
 
-        r = asprintf(&link->state_file, "/run/systemd/netif/links/%"PRIu64,
-                     link->ifindex);
+        r = asprintf(&link->state_file, "/run/systemd/netif/links/%d", link->ifindex);
         if (r < 0)
                 return -ENOMEM;
 
-        r = asprintf(&link->lease_file, "/run/systemd/netif/leases/%"PRIu64,
-                     link->ifindex);
+        r = asprintf(&link->lease_file, "/run/systemd/netif/leases/%d", link->ifindex);
         if (r < 0)
                 return -ENOMEM;
 
-        r = hashmap_put(manager->links, &link->ifindex, link);
+        r = hashmap_ensure_allocated(&manager->links, NULL, NULL);
+        if (r < 0)
+                return r;
+
+        r = hashmap_put(manager->links, INT_TO_PTR(link->ifindex), link);
         if (r < 0)
                 return r;
 
@@ -129,7 +130,7 @@ static void link_free(Link *link) {
         sd_icmp6_nd_unref(link->icmp6_router_discovery);
 
         if (link->manager)
-                hashmap_remove(link->manager->links, &link->ifindex);
+                hashmap_remove(link->manager->links, INT_TO_PTR(link->ifindex));
 
         free(link->ifname);
 
@@ -157,15 +158,12 @@ Link *link_ref(Link *link) {
 
 int link_get(Manager *m, int ifindex, Link **ret) {
         Link *link;
-        uint64_t ifindex_64;
 
         assert(m);
-        assert(m->links);
         assert(ifindex);
         assert(ret);
 
-        ifindex_64 = ifindex;
-        link = hashmap_get(m->links, &ifindex_64);
+        link = hashmap_get(m->links, INT_TO_PTR(ifindex));
         if (!link)
                 return -ENODEV;
 
@@ -471,14 +469,6 @@ static int link_enter_set_routes(Link *link) {
 
         if (link->ipv4ll && !link->dhcp_lease) {
                 _cleanup_route_free_ Route *route = NULL;
-                struct in_addr addr;
-
-                r = sd_ipv4ll_get_address(link->ipv4ll, &addr);
-                if (r < 0 && r != -ENOENT) {
-                        log_warning_link(link, "IPV4LL error: no address: %s",
-                                        strerror(-r));
-                        return r;
-                }
 
                 if (r != -ENOENT) {
                         r = route_new_dynamic(&route, RTPROT_STATIC);
@@ -845,7 +835,9 @@ static int set_hostname_handler(sd_bus *bus, sd_bus_message *m, void *userdata,
 
         r = sd_bus_message_get_errno(m);
         if (r < 0)
-                log_warning_link(link, "Could not set hostname: %s", strerror(-r));
+                r = -r;
+        if (r > 0)
+                log_warning_link(link, "Could not set hostname: %s", strerror(r));
 
         return 1;
 }
@@ -1180,9 +1172,6 @@ static void dhcp_handler(sd_dhcp_client *client, int event, void *userdata) {
                 return;
 
         switch (event) {
-                case DHCP_EVENT_NO_LEASE:
-                        log_debug_link(link, "IP address in use.");
-                        break;
                 case DHCP_EVENT_EXPIRED:
                 case DHCP_EVENT_STOP:
                 case DHCP_EVENT_IP_CHANGE:
@@ -1783,7 +1772,7 @@ static int netdev_join_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata
 }
 
 static int link_enter_join_netdev(Link *link) {
-        NetDev *vlan, *macvlan, *vxlan;
+        NetDev *netdev;
         Iterator i;
         int r;
 
@@ -1797,10 +1786,7 @@ static int link_enter_join_netdev(Link *link) {
 
         if (!link->network->bridge &&
             !link->network->bond &&
-            !link->network->tunnel &&
-            hashmap_isempty(link->network->vlans) &&
-            hashmap_isempty(link->network->macvlans) &&
-            hashmap_isempty(link->network->vxlans))
+            hashmap_isempty(link->network->stacked_netdevs))
                 return link_joined(link);
 
         if (link->network->bond) {
@@ -1849,82 +1835,19 @@ static int link_enter_join_netdev(Link *link) {
                 link->enslaving ++;
         }
 
-        if (link->network->tunnel) {
-                log_struct_link(LOG_DEBUG, link,
-                                "MESSAGE=%-*s: enslaving by '%s'",
-                                IFNAMSIZ,
-                                link->ifname, link->network->tunnel->ifname,
-                                NETDEVIF(link->network->tunnel),
-                                NULL);
-
-                r = netdev_join(link->network->tunnel, link, &netdev_join_handler);
-                if (r < 0) {
-                        log_struct_link(LOG_WARNING, link,
-                                        "MESSAGE=%-*s: could not join netdev '%s': %s",
-                                        IFNAMSIZ,
-                                        link->ifname, link->network->tunnel->ifname, strerror(-r),
-                                        NETDEVIF(link->network->tunnel),
-                                        NULL);
-                        link_enter_failed(link);
-                        return r;
-                }
-
-                link->enslaving ++;
-        }
-
-        HASHMAP_FOREACH(vlan, link->network->vlans, i) {
-                log_struct_link(LOG_DEBUG, link,
-                                "MESSAGE=%-*s: enslaving by '%s'",
-                                IFNAMSIZ,
-                                link->ifname, vlan->ifname, NETDEVIF(vlan), NULL);
-
-                r = netdev_join(vlan, link, &netdev_join_handler);
-                if (r < 0) {
-                        log_struct_link(LOG_WARNING, link,
-                                        "MESSAGE=%-*s: could not join netdev '%s': %s",
-                                        IFNAMSIZ,
-                                        link->ifname, vlan->ifname, strerror(-r),
-                                        NETDEVIF(vlan), NULL);
-                        link_enter_failed(link);
-                        return r;
-                }
-
-                link->enslaving ++;
-        }
-
-        HASHMAP_FOREACH(macvlan, link->network->macvlans, i) {
+        HASHMAP_FOREACH(netdev, link->network->stacked_netdevs, i) {
                 log_struct_link(LOG_DEBUG, link,
                                 "MESSAGE=%-*s: enslaving by '%s'",
                                 IFNAMSIZ,
-                                link->ifname, macvlan->ifname, NETDEVIF(macvlan), NULL);
+                                link->ifname, netdev->ifname, NETDEVIF(netdev), NULL);
 
-                r = netdev_join(macvlan, link, &netdev_join_handler);
+                r = netdev_join(netdev, link, &netdev_join_handler);
                 if (r < 0) {
                         log_struct_link(LOG_WARNING, link,
                                         "MESSAGE=%-*s: could not join netdev '%s': %s",
                                         IFNAMSIZ,
-                                        link->ifname, macvlan->ifname, strerror(-r),
-                                        NETDEVIF(macvlan), NULL);
-                        link_enter_failed(link);
-                        return r;
-                }
-
-                link->enslaving ++;
-        }
-
-        HASHMAP_FOREACH(vxlan, link->network->vxlans, i) {
-                log_struct_link(LOG_DEBUG, link,
-                                "MESSAGE=%*s: enslaving by '%s'",
-                                IFNAMSIZ,
-                                link->ifname, vxlan->ifname, NETDEVIF(vxlan), NULL);
-
-                r = netdev_join(vxlan, link, &netdev_join_handler);
-                if (r < 0) {
-                        log_struct_link(LOG_WARNING, link,
-                                        "MESSAGE=%*s: could not join netdev '%s': %s",
-                                        IFNAMSIZ,
-                                        link->ifname, vxlan->ifname, strerror(-r),
-                                        NETDEVIF(vxlan), NULL);
+                                        link->ifname, netdev->ifname, strerror(-r),
+                                        NETDEVIF(netdev), NULL);
                         link_enter_failed(link);
                         return r;
                 }
@@ -2293,7 +2216,7 @@ int link_add(Manager *m, sd_rtnl_message *message, Link **ret) {
 
         link = *ret;
 
-        log_debug_link(link, "link %"PRIu64" added", link->ifindex);
+        log_debug_link(link, "link %d added", link->ifindex);
 
         r = sd_rtnl_message_new_addr(m->rtnl, &req, RTM_GETADDR, link->ifindex, 0);
         if (r < 0)
@@ -2307,7 +2230,7 @@ int link_add(Manager *m, sd_rtnl_message *message, Link **ret) {
 
         if (detect_container(NULL) <= 0) {
                 /* not in a container, udev will be around */
-                sprintf(ifindex_str, "n%"PRIu64, link->ifindex);
+                sprintf(ifindex_str, "n%d", link->ifindex);
                 device = udev_device_new_from_device_id(m->udev, ifindex_str);
                 if (!device) {
                         log_warning_link(link, "could not find udev device");
@@ -2419,27 +2342,6 @@ int link_update(Link *link, sd_rtnl_message *m) {
         return link_update_flags(link, m);
 }
 
-static void serialize_addresses(FILE *f, const char *key, Address *address) {
-        Address *ad;
-
-        assert(f);
-        assert(key);
-
-        if (!address)
-                return;
-
-        fprintf(f, "%s=", key);
-
-        LIST_FOREACH(addresses, ad, address) {
-                char buf[INET6_ADDRSTRLEN];
-
-                if (inet_ntop(ad->family, &ad->in_addr, buf, INET6_ADDRSTRLEN))
-                        fprintf(f, "%s%s", buf, (ad->addresses_next) ? " ": "");
-        }
-
-        fputs("\n", f);
-}
-
 static void link_update_operstate(Link *link) {
 
         assert(link);
@@ -2510,8 +2412,47 @@ int link_save(Link *link) {
                 admin_state, oper_state);
 
         if (link->network) {
-                serialize_addresses(f, "DNS", link->network->dns);
-                serialize_addresses(f, "NTP", link->network->ntp);
+                char **address;
+
+                fputs("DNS=", f);
+
+                if (link->network->dhcp_dns &&
+                    link->dhcp_lease) {
+                        const struct in_addr *addresses;
+
+                        r = sd_dhcp_lease_get_dns(link->dhcp_lease, &addresses);
+                        if (r > 0) {
+                                serialize_in_addrs(f, addresses, r);
+                                if (link->network->dns)
+                                        fputs(" ", f);
+                        }
+                }
+
+                STRV_FOREACH(address, link->network->dns)
+                        fprintf(f, "%s%s", *address,
+                                (address + 1 ? " " : ""));
+
+                fputs("\n", f);
+
+                fprintf(f, "NTP=");
+
+                if (link->network->dhcp_ntp &&
+                    link->dhcp_lease) {
+                        const struct in_addr *addresses;
+
+                        r = sd_dhcp_lease_get_ntp(link->dhcp_lease, &addresses);
+                        if (r > 0) {
+                                serialize_in_addrs(f, addresses, r);
+                                if (link->network->ntp)
+                                        fputs(" ", f);
+                        }
+                }
+
+                STRV_FOREACH(address, link->network->ntp)
+                        fprintf(f, "%s%s", *address,
+                                (address + 1 ? " " : ""));
+
+                fputs("\n", f);
         }
 
         if (link->dhcp_lease) {
@@ -2522,12 +2463,8 @@ int link_save(Link *link) {
                         goto finish;
 
                 fprintf(f,
-                        "DHCP_LEASE=%s\n"
-                        "DHCP_USE_DNS=%s\n"
-                        "DHCP_USE_NTP=%s\n",
-                        link->lease_file,
-                        yes_no(link->network->dhcp_dns),
-                        yes_no(link->network->dhcp_ntp));
+                        "DHCP_LEASE=%s\n",
+                        link->lease_file);
         } else
                 unlink(link->lease_file);
 
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