3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include <netinet/ether.h>

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include <linux/if.h>

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include "networkd.h"

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include "libudev-private.h"

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include "udev-util.h"

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include "util.h"

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include "virt.h"

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include "bus-util.h"

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include "network-internal.h"

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek#include "dhcp-lease-internal.h"

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek

2cf4172a71860c6e44edd27a3b68047ae062d7fcLennart Poetteringstatic int ipv4ll_address_update(Link *link, bool deprecate);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmekstatic bool ipv4ll_is_bound(sd_ipv4ll *ll);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

799a8f39d8eb9ea725e85a598c0f5dbd658c8ba7Zbigniew Jędrzejewski-Szmekstatic int link_new(Manager *manager, sd_rtnl_message *message, Link **ret) {

799a8f39d8eb9ea725e85a598c0f5dbd658c8ba7Zbigniew Jędrzejewski-Szmek _cleanup_link_free_ Link *link = NULL;

799a8f39d8eb9ea725e85a598c0f5dbd658c8ba7Zbigniew Jędrzejewski-Szmek uint16_t type;

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek char *ifname;

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek int r, ifindex;

2cf4172a71860c6e44edd27a3b68047ae062d7fcLennart Poettering

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek assert(manager);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek assert(manager->links);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek assert(message);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek assert(ret);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = sd_rtnl_message_get_type(message, &type);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r < 0)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return r;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek else if (type != RTM_NEWLINK)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return -EINVAL;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek r = sd_rtnl_message_link_get_ifindex(message, &ifindex);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r < 0)

2cf4172a71860c6e44edd27a3b68047ae062d7fcLennart Poettering return r;

2cf4172a71860c6e44edd27a3b68047ae062d7fcLennart Poettering else if (ifindex <= 0)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return -EINVAL;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek r = sd_rtnl_message_read_string(message, IFLA_IFNAME, &ifname);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek if (r < 0)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return r;

8847551bcbfa8265bae04f567bb1aadc7b480325Zbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link = new0(Link, 1);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (!link)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return -ENOMEM;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link->manager = manager;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link->state = LINK_STATE_INITIALIZING;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link->ifindex = ifindex;

8847551bcbfa8265bae04f567bb1aadc7b480325Zbigniew Jędrzejewski-Szmek link->ifname = strdup(ifname);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (!link->ifname)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return -ENOMEM;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = asprintf(&link->state_file, "/run/systemd/network/links/%"PRIu64,

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek link->ifindex);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r < 0)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return -ENOMEM;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = hashmap_put(manager->links, &link->ifindex, link);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r < 0)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return r;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek *ret = link;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek link = NULL;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

c33b329709ebe2755181980a050d02ec7c81ed87Michal Schmidt return 0;

c33b329709ebe2755181980a050d02ec7c81ed87Michal Schmidt}

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmekvoid link_free(Link *link) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (!link)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek assert(link->manager);

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek sd_dhcp_client_unref(link->dhcp_client);

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek sd_dhcp_lease_unref(link->dhcp_lease);

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek sd_ipv4ll_unref(link->ipv4ll);

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek hashmap_remove(link->manager->links, &link->ifindex);

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt free(link->ifname);

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt free(link->state_file);

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek udev_device_unref(link->udev_device);

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt free(link);

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt}

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmekint link_get(Manager *m, int ifindex, Link **ret) {

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek Link *link;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek uint64_t ifindex_64;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek assert(m);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek assert(m->links);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek assert(ifindex);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek assert(ret);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek ifindex_64 = ifindex;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek link = hashmap_get(m->links, &ifindex_64);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek if (!link)

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek return -ENODEV;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek *ret = link;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek return 0;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek}

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmekstatic int link_enter_configured(Link *link) {

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek assert(link);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek assert(link->state == LINK_STATE_SETTING_ROUTES);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek log_info_link(link, "link configured");

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek link->state = LINK_STATE_CONFIGURED;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek link_save(link);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek return 0;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek}

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidtstatic void link_enter_unmanaged(Link *link) {

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek assert(link);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek log_info_link(link, "unmanaged");

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek link->state = LINK_STATE_UNMANAGED;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek link_save(link);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek}

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmekstatic void link_enter_failed(Link *link) {

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek assert(link);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek log_warning_link(link, "failed");

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

36d4739a68c3edafe4d145d525a26de4ef0b8e5aZbigniew Jędrzejewski-Szmek link->state = LINK_STATE_FAILED;

36d4739a68c3edafe4d145d525a26de4ef0b8e5aZbigniew Jędrzejewski-Szmek

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt link_save(link);

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt}

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidtstatic int route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {

36d4739a68c3edafe4d145d525a26de4ef0b8e5aZbigniew Jędrzejewski-Szmek Link *link = userdata;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek int r;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek assert(link->route_messages > 0);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek assert(link->state == LINK_STATE_SETTING_ADDRESSES ||

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek link->state == LINK_STATE_SETTING_ROUTES ||

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek link->state == LINK_STATE_FAILED);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link->route_messages --;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (link->state == LINK_STATE_FAILED)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return 1;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = sd_rtnl_message_get_errno(m);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0 && r != -EEXIST)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_struct_link(LOG_WARNING, link,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek "MESSAGE=%s: could not set route: %s",

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link->ifname, strerror(-r),

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek "ERRNO=%d", -r,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek NULL);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek /* we might have received an old reply after moving back to SETTING_ADDRESSES,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (link->route_messages == 0 && link->state == LINK_STATE_SETTING_ROUTES) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_debug_link(link, "routes set");

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link_enter_configured(link);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return 1;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek}

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmekstatic int link_enter_set_routes(Link *link) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek Route *rt;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek int r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(link);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(link->network);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(link->state == LINK_STATE_SETTING_ADDRESSES);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link->state = LINK_STATE_SETTING_ROUTES;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (!link->network->static_routes && !link->dhcp_lease &&

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek (!link->ipv4ll || ipv4ll_is_bound(link->ipv4ll) == false))

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return link_enter_configured(link);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_debug_link(link, "setting routes");

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek LIST_FOREACH(static_routes, rt, link->network->static_routes) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = route_configure(rt, link, &route_handler);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_warning_link(link,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek "could not set routes: %s", strerror(-r));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link_enter_failed(link);

b88a40a7e592e0a4a2e6e8eb1ed3721989ba5d0ePhilippe De Swert return r;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek link->route_messages ++;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (link->ipv4ll && !link->dhcp_lease) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek _cleanup_route_free_ Route *route = NULL;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek struct in_addr addr;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = sd_ipv4ll_get_address(link->ipv4ll, &addr);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0 && r != -ENOENT) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_warning_link(link, "IPV4LL error: no address: %s",

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek strerror(-r));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r != -ENOENT) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = route_new_dynamic(&route);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_error_link(link, "Could not allocate route: %s",

5dabb1e04e4521abf040e77a8322b70e7acdc7b0Zbigniew Jędrzejewski-Szmek strerror(-r));

5dabb1e04e4521abf040e77a8322b70e7acdc7b0Zbigniew Jędrzejewski-Szmek return r;

5dabb1e04e4521abf040e77a8322b70e7acdc7b0Zbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek route->family = AF_INET;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek route->scope = RT_SCOPE_LINK;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek route->metrics = 99;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek r = route_configure(route, link, &route_handler);

799a8f39d8eb9ea725e85a598c0f5dbd658c8ba7Zbigniew Jędrzejewski-Szmek if (r < 0) {

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek log_warning_link(link,

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek "could not set routes: %s", strerror(-r));

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek link_enter_failed(link);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek return r;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek }

8847551bcbfa8265bae04f567bb1aadc7b480325Zbigniew Jędrzejewski-Szmek

8847551bcbfa8265bae04f567bb1aadc7b480325Zbigniew Jędrzejewski-Szmek link->route_messages ++;

8847551bcbfa8265bae04f567bb1aadc7b480325Zbigniew Jędrzejewski-Szmek }

8847551bcbfa8265bae04f567bb1aadc7b480325Zbigniew Jędrzejewski-Szmek }

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek if (link->dhcp_lease) {

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek _cleanup_route_free_ Route *route = NULL;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek _cleanup_route_free_ Route *route_gw = NULL;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek struct in_addr gateway;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek r = sd_dhcp_lease_get_router(link->dhcp_lease, &gateway);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek log_warning_link(link, "DHCP error: no router: %s",

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek strerror(-r));

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return r;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = route_new_dynamic(&route);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_error_link(link, "Could not allocate route: %s",

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek strerror(-r));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = route_new_dynamic(&route_gw);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_error_link(link, "Could not allocate route: %s",

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek strerror(-r));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek /* The dhcp netmask may mask out the gateway. Add an explicit

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek route_gw->family = AF_INET;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek route_gw->dst_addr.in = gateway;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek route_gw->dst_prefixlen = 32;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek route_gw->scope = RT_SCOPE_LINK;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = route_configure(route_gw, link, &route_handler);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_warning_link(link,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek "could not set host route: %s", strerror(-r));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link->route_messages ++;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek route->family = AF_INET;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek route->in_addr.in = gateway;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = route_configure(route, link, &route_handler);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_warning_link(link,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek "could not set routes: %s", strerror(-r));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link_enter_failed(link);

56f64d95763a799ba4475daf44d8e9f72a1bd474Michal Schmidt return r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link->route_messages ++;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return 0;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek}

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmekstatic int route_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek Link *link = userdata;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek int r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(m);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(link);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(link->ifname);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (link->state == LINK_STATE_FAILED)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return 1;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = sd_rtnl_message_get_errno(m);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0 && r != -ENOENT)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_struct_link(LOG_WARNING, link,

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek "MESSAGE=%s: could not drop route: %s",

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek link->ifname, strerror(-r),

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek "ERRNO=%d", -r,

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek NULL);

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek return 0;

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek}

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmekstatic int address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek Link *link = userdata;

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek int r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(m);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(link);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(link->ifname);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(link->addr_messages > 0);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(link->state == LINK_STATE_SETTING_ADDRESSES || link->state == LINK_STATE_FAILED);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link->addr_messages --;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

e1ad6e245dcf63faa8f183063eb97678f4f9ac94Lukas Nykryn if (link->state == LINK_STATE_FAILED)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return 1;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = sd_rtnl_message_get_errno(m);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0 && r != -EEXIST)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_struct_link(LOG_WARNING, link,

4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt "MESSAGE=%s: could not set address: %s",

4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt link->ifname, strerror(-r),

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek "ERRNO=%d", -r,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek NULL);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (link->addr_messages == 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek log_debug_link(link, "addresses set");

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek link_enter_set_routes(link);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt return 1;

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt}

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmekstatic int link_enter_set_addresses(Link *link) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek Address *ad;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek int r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek assert(link);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(link->network);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(link->state != _LINK_STATE_INVALID);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek link->state = LINK_STATE_SETTING_ADDRESSES;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek if (!link->network->static_addresses && !link->dhcp_lease &&

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek (!link->ipv4ll || ipv4ll_is_bound(link->ipv4ll) == false))

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek return link_enter_set_routes(link);

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek log_debug_link(link, "setting addresses");

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek LIST_FOREACH(static_addresses, ad, link->network->static_addresses) {

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek r = address_configure(ad, link, &address_handler);

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek if (r < 0) {

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek log_warning_link(link,

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek "could not set addresses: %s", strerror(-r));

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek link_enter_failed(link);

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek return r;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek }

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek link->addr_messages ++;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek }

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek if (link->ipv4ll && !link->dhcp_lease) {

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek _cleanup_address_free_ Address *ll_addr = NULL;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek struct in_addr addr;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek r = sd_ipv4ll_get_address(link->ipv4ll, &addr);

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek if (r < 0 && r != -ENOENT) {

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek log_warning_link(link, "IPV4LL error: no address: %s",

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek strerror(-r));

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek return r;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek }

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek if (r != -ENOENT) {

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek r = address_new_dynamic(&ll_addr);

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek if (r < 0) {

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek log_error_link(link, "Could not allocate address: %s", strerror(-r));

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek return r;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek }

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek ll_addr->family = AF_INET;

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek ll_addr->in_addr.in = addr;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek ll_addr->prefixlen = 16;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek ll_addr->broadcast.s_addr = ll_addr->in_addr.in.s_addr | htonl(0xfffffffflu >> ll_addr->prefixlen);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek ll_addr->scope = RT_SCOPE_LINK;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = address_configure(ll_addr, link, &address_handler);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_warning_link(link,

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek "could not set addresses: %s", strerror(-r));

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek link_enter_failed(link);

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek return r;

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek }

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek link->addr_messages ++;

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek }

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek }

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek if (link->dhcp_lease) {

5bc891206dd8eb4e4df58f502b0184b8426caf22Zbigniew Jędrzejewski-Szmek _cleanup_address_free_ Address *address = NULL;

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek struct in_addr addr;

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek struct in_addr netmask;

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek unsigned prefixlen;

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek r = sd_dhcp_lease_get_address(link->dhcp_lease, &addr);

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek if (r < 0) {

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek log_warning_link(link, "DHCP error: no address: %s",

5bc891206dd8eb4e4df58f502b0184b8426caf22Zbigniew Jędrzejewski-Szmek strerror(-r));

5bc891206dd8eb4e4df58f502b0184b8426caf22Zbigniew Jędrzejewski-Szmek return r;

5bc891206dd8eb4e4df58f502b0184b8426caf22Zbigniew Jędrzejewski-Szmek }

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = sd_dhcp_lease_get_netmask(link->dhcp_lease, &netmask);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt log_warning_link(link, "DHCP error: no netmask: %s",

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt strerror(-r));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return r;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek }

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt prefixlen = net_netmask_to_prefixlen(&netmask);

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek r = address_new_dynamic(&address);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_error_link(link, "Could not allocate address: %s",

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek strerror(-r));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek address->family = AF_INET;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek address->in_addr.in = addr;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek address->prefixlen = prefixlen;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek address->broadcast.s_addr = addr.s_addr | ~netmask.s_addr;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = address_configure(address, link, &address_handler);

5bc891206dd8eb4e4df58f502b0184b8426caf22Zbigniew Jędrzejewski-Szmek if (r < 0) {

5bc891206dd8eb4e4df58f502b0184b8426caf22Zbigniew Jędrzejewski-Szmek log_warning_link(link,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek "could not set addresses: %s", strerror(-r));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link_enter_failed(link);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return r;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek link->addr_messages ++;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return 0;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek}

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmekstatic int address_update_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek Link *link = userdata;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek int r;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek assert(m);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek assert(link);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek assert(link->ifname);

30776485c5bc2d9c356e875f2aee874d22c393b7Zbigniew Jędrzejewski-Szmek

30776485c5bc2d9c356e875f2aee874d22c393b7Zbigniew Jędrzejewski-Szmek if (link->state == LINK_STATE_FAILED)

30776485c5bc2d9c356e875f2aee874d22c393b7Zbigniew Jędrzejewski-Szmek return 1;

30776485c5bc2d9c356e875f2aee874d22c393b7Zbigniew Jędrzejewski-Szmek

30776485c5bc2d9c356e875f2aee874d22c393b7Zbigniew Jędrzejewski-Szmek r = sd_rtnl_message_get_errno(m);

30776485c5bc2d9c356e875f2aee874d22c393b7Zbigniew Jędrzejewski-Szmek if (r < 0 && r != -ENOENT)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek log_struct_link(LOG_WARNING, link,

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek "MESSAGE=%s: could not update address: %s",

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek link->ifname, strerror(-r),

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek "ERRNO=%d", -r,

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek NULL);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return 0;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek}

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmekstatic int address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek Link *link = userdata;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek int r;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek assert(m);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek assert(link);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek assert(link->ifname);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (link->state == LINK_STATE_FAILED)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return 1;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = sd_rtnl_message_get_errno(m);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek if (r < 0 && r != -ENOENT)

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek log_struct_link(LOG_WARNING, link,

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek "MESSAGE=%s: could not drop address: %s",

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek link->ifname, strerror(-r),

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek "ERRNO=%d", -r,

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek NULL);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return 0;

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek}

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmekstatic int set_hostname_handler(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek int r;

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek r = sd_bus_message_get_errno(m);

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek if (r < 0)

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek log_warning("Could not set hostname: %s", strerror(-r));

bf257aed057efd113f1b84e037fde09ffeed32eeJosh Triplett

bf257aed057efd113f1b84e037fde09ffeed32eeJosh Triplett return 1;

bf257aed057efd113f1b84e037fde09ffeed32eeJosh Triplett}

bf257aed057efd113f1b84e037fde09ffeed32eeJosh Triplett

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmekstatic int set_hostname(sd_bus *bus, const char *hostname) {

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek _cleanup_bus_message_unref_ sd_bus_message *m = NULL;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek int r = 0;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(hostname);

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering log_debug("Setting transient hostname: '%s'", hostname);

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek if (!bus) { /* TODO: replace by assert when we can rely on kdbus */

1af719edc5958c01c19204fb68d6fc45c9eea85cZbigniew Jędrzejewski-Szmek log_info("Not connected to system bus, ignoring transient hostname.");

1af719edc5958c01c19204fb68d6fc45c9eea85cZbigniew Jędrzejewski-Szmek return 0;

1af719edc5958c01c19204fb68d6fc45c9eea85cZbigniew Jędrzejewski-Szmek }

1af719edc5958c01c19204fb68d6fc45c9eea85cZbigniew Jędrzejewski-Szmek

1af719edc5958c01c19204fb68d6fc45c9eea85cZbigniew Jędrzejewski-Szmek r = sd_bus_message_new_method_call(

1af719edc5958c01c19204fb68d6fc45c9eea85cZbigniew Jędrzejewski-Szmek bus,

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering &m,

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering "org.freedesktop.hostname1",

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering "/org/freedesktop/hostname1",

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering "org.freedesktop.hostname1",

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering "SetHostname");

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering if (r < 0)

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering return r;

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering r = sd_bus_message_append(m, "sb", hostname, false);

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering if (r < 0)

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering return r;

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering r = sd_bus_call_async(bus, m, set_hostname_handler, NULL, 0, NULL);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_error("Could not set transient hostname: %s", strerror(-r));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek}

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmekstatic int set_mtu_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek Link *link = userdata;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek int r;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek assert(m);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek assert(link);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek assert(link->ifname);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (link->state == LINK_STATE_FAILED)

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek return 1;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = sd_rtnl_message_get_errno(m);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_struct_link(LOG_WARNING, link,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek "MESSAGE=%s: could not set MTU: %s",

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link->ifname, strerror(-r),

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek "ERRNO=%d", -r,

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek NULL);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return 1;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek}

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmekstatic int link_set_mtu(Link *link, uint32_t mtu) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek int r;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek assert(link);

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering assert(link->manager);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek assert(link->manager->rtnl);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_debug_link(link, "setting MTU: %" PRIu32, mtu);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = sd_rtnl_message_new_link(link->manager->rtnl, &req,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek RTM_SETLINK, link->ifindex);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_error_link(link, "Could not allocate RTM_SETLINK message");

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = sd_rtnl_message_append_u32(req, IFLA_MTU, mtu);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_error_link(link, "Could not append MTU: %s", strerror(-r));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = sd_rtnl_call_async(link->manager->rtnl, req, set_mtu_handler, link, 0, NULL);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_error_link(link,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek "Could not send rtnetlink message: %s", strerror(-r));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return 0;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek}

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmekstatic int dhcp_lease_lost(Link *link) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek _cleanup_address_free_ Address *address = NULL;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek _cleanup_route_free_ Route *route_gw = NULL;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek _cleanup_route_free_ Route *route = NULL;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek struct in_addr addr;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek struct in_addr netmask;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek struct in_addr gateway;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek unsigned prefixlen;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek int r;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek assert(link);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek assert(link->dhcp_lease);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek log_warning_link(link, "DHCP lease lost");

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek r = address_new_dynamic(&address);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek if (r >= 0) {

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek sd_dhcp_lease_get_address(link->dhcp_lease, &addr);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek sd_dhcp_lease_get_netmask(link->dhcp_lease, &netmask);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek sd_dhcp_lease_get_router(link->dhcp_lease, &gateway);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek prefixlen = net_netmask_to_prefixlen(&netmask);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek r = route_new_dynamic(&route_gw);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek if (r >= 0) {

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek route_gw->family = AF_INET;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek route_gw->dst_addr.in = gateway;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek route_gw->dst_prefixlen = 32;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek route_gw->scope = RT_SCOPE_LINK;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek route_drop(route_gw, link, &route_drop_handler);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = route_new_dynamic(&route);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r >= 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek route->family = AF_INET;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek route->in_addr.in = gateway;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek route_drop(route, link, &route_drop_handler);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek address->family = AF_INET;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek address->in_addr.in = addr;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek address->prefixlen = prefixlen;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek address_drop(address, link, &address_drop_handler);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (link->network->dhcp_mtu) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek uint16_t mtu;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = sd_dhcp_lease_get_mtu(link->dhcp_lease, &mtu);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r >= 0 && link->original_mtu != mtu) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = link_set_mtu(link, link->original_mtu);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r < 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek log_warning_link(link, "DHCP error: could not reset MTU");

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek link_enter_failed(link);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return r;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (link->network->dhcp_hostname) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek const char *hostname = NULL;

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt

eb56eb9b40950f1edcffdb7313f8de4f8572a6d5Michal Schmidt r = sd_dhcp_lease_get_hostname(link->dhcp_lease, &hostname);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r >= 0 && hostname) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = set_hostname(link->manager->bus, "");

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r < 0)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek log_error("Failed to reset transient hostname");

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek link->dhcp_lease = sd_dhcp_lease_unref(link->dhcp_lease);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return 0;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek}

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmekstatic int dhcp_lease_acquired(sd_dhcp_client *client, Link *link) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek sd_dhcp_lease *lease;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek struct in_addr address;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek struct in_addr netmask;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek struct in_addr gateway;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek unsigned prefixlen;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek struct in_addr *nameservers;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek size_t nameservers_size;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek int r;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering assert(client);

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering assert(link);

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering r = sd_dhcp_client_get_lease(client, &lease);

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering if (r < 0) {

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering log_warning_link(link, "DHCP error: no lease: %s",

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering strerror(-r));

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering return r;

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering }

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = sd_dhcp_lease_get_address(lease, &address);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r < 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek log_warning_link(link, "DHCP error: no address: %s",

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek strerror(-r));

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek return r;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek }

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = sd_dhcp_lease_get_netmask(lease, &netmask);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_warning_link(link, "DHCP error: no netmask: %s",

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek strerror(-r));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek prefixlen = net_netmask_to_prefixlen(&netmask);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = sd_dhcp_lease_get_router(lease, &gateway);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_warning_link(link, "DHCP error: no router: %s",

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek strerror(-r));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_struct_link(LOG_INFO, link,

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek "MESSAGE=%s: DHCPv4 address %u.%u.%u.%u/%u via %u.%u.%u.%u",

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek link->ifname,

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek ADDRESS_FMT_VAL(address),

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek prefixlen,

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek ADDRESS_FMT_VAL(gateway),

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek "ADDRESS=%u.%u.%u.%u",

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek ADDRESS_FMT_VAL(address),

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek "PREFIXLEN=%u",

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek prefixlen,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek "GATEWAY=%u.%u.%u.%u",

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek ADDRESS_FMT_VAL(gateway),

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek NULL);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek link->dhcp_lease = lease;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (link->network->dhcp_dns) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = sd_dhcp_lease_get_dns(lease, &nameservers, &nameservers_size);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r >= 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = manager_update_resolv_conf(link->manager);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r < 0)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek log_error("Failed to update resolv.conf");

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (link->network->dhcp_mtu) {

c33b329709ebe2755181980a050d02ec7c81ed87Michal Schmidt uint16_t mtu;

c33b329709ebe2755181980a050d02ec7c81ed87Michal Schmidt

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = sd_dhcp_lease_get_mtu(lease, &mtu);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r >= 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = link_set_mtu(link, mtu);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_error_link(link, "Failed to set MTU "

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek "to %" PRIu16, mtu);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (link->network->dhcp_hostname) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek const char *hostname;

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek

4015ac5c321f34784f73bd91ae9d7855ed663e5eLennart Poettering r = sd_dhcp_lease_get_hostname(lease, &hostname);

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek if (r >= 0) {

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek r = set_hostname(link->manager->bus, hostname);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_error("Failed to set transient hostname "

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek "to '%s'", hostname);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

2cf4172a71860c6e44edd27a3b68047ae062d7fcLennart Poettering }

2cf4172a71860c6e44edd27a3b68047ae062d7fcLennart Poettering

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek link_enter_set_addresses(link);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return 0;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek}

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmekstatic void dhcp_handler(sd_dhcp_client *client, int event, void *userdata) {

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek Link *link = userdata;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek int r = 0;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek assert(link);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(link->network);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(link->manager);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (link->state == LINK_STATE_FAILED)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek switch (event) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek case DHCP_EVENT_NO_LEASE:

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek log_debug_link(link, "IP address in use.");

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek break;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek case DHCP_EVENT_EXPIRED:

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek case DHCP_EVENT_STOP:

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek case DHCP_EVENT_IP_CHANGE:

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (link->network->dhcp_critical) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek log_error_link(link, "DHCPv4 connection considered system critical, "

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek "ignoring request to reconfigure it.");

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (link->dhcp_lease) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = dhcp_lease_lost(link);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

36d4739a68c3edafe4d145d525a26de4ef0b8e5aZbigniew Jędrzejewski-Szmek link_enter_failed(link);

36d4739a68c3edafe4d145d525a26de4ef0b8e5aZbigniew Jędrzejewski-Szmek return;

36d4739a68c3edafe4d145d525a26de4ef0b8e5aZbigniew Jędrzejewski-Szmek }

36d4739a68c3edafe4d145d525a26de4ef0b8e5aZbigniew Jędrzejewski-Szmek }

36d4739a68c3edafe4d145d525a26de4ef0b8e5aZbigniew Jędrzejewski-Szmek

36d4739a68c3edafe4d145d525a26de4ef0b8e5aZbigniew Jędrzejewski-Szmek if (event == DHCP_EVENT_IP_CHANGE) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = dhcp_lease_acquired(client, link);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r < 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek link_enter_failed(link);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (event == DHCP_EVENT_EXPIRED && link->network->ipv4ll) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (!sd_ipv4ll_is_running(link->ipv4ll))

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = sd_ipv4ll_start(link->ipv4ll);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek else if (ipv4ll_is_bound(link->ipv4ll))

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = ipv4ll_address_update(link, false);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r < 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek link_enter_failed(link);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek break;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek case DHCP_EVENT_IP_ACQUIRE:

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = dhcp_lease_acquired(client, link);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek link_enter_failed(link);

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt return;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (link->ipv4ll) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (ipv4ll_is_bound(link->ipv4ll))

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = ipv4ll_address_update(link, true);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek else

af4ec4309e8f82aad87a8d574785c12f8763d5f8Lennart Poettering r = sd_ipv4ll_stop(link->ipv4ll);

af4ec4309e8f82aad87a8d574785c12f8763d5f8Lennart Poettering if (r < 0) {

af4ec4309e8f82aad87a8d574785c12f8763d5f8Lennart Poettering link_enter_failed(link);

af4ec4309e8f82aad87a8d574785c12f8763d5f8Lennart Poettering return;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek break;

36d4739a68c3edafe4d145d525a26de4ef0b8e5aZbigniew Jędrzejewski-Szmek default:

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (event < 0)

log_warning_link(link, "DHCP error: %s", strerror(-event));

else

log_warning_link(link, "DHCP unknown event: %d", event);

break;

}

return;

}

static int ipv4ll_address_update(Link *link, bool deprecate) {

int r;

struct in_addr addr;

assert(link);

r = sd_ipv4ll_get_address(link->ipv4ll, &addr);

if (r >= 0) {

_cleanup_address_free_ Address *address = NULL;

log_debug_link(link, "IPv4 link-local %s %u.%u.%u.%u",

deprecate ? "deprecate" : "approve",

ADDRESS_FMT_VAL(addr));

r = address_new_dynamic(&address);

if (r < 0) {

log_error_link(link, "Could not allocate address: %s", strerror(-r));

return r;

}

address->family = AF_INET;

address->in_addr.in = addr;

address->prefixlen = 16;

address->scope = RT_SCOPE_LINK;

address->cinfo.ifa_prefered = deprecate ? 0 : CACHE_INFO_INFINITY_LIFE_TIME;

address->broadcast.s_addr = address->in_addr.in.s_addr | htonl(0xfffffffflu >> address->prefixlen);

address_update(address, link, &address_update_handler);

}

return 0;

}

static int ipv4ll_address_lost(Link *link) {

int r;

struct in_addr addr;

assert(link);

r = sd_ipv4ll_get_address(link->ipv4ll, &addr);

if (r >= 0) {

_cleanup_address_free_ Address *address = NULL;

_cleanup_route_free_ Route *route = NULL;

log_debug_link(link, "IPv4 link-local release %u.%u.%u.%u",

ADDRESS_FMT_VAL(addr));

r = address_new_dynamic(&address);

if (r < 0) {

log_error_link(link, "Could not allocate address: %s", strerror(-r));

return r;

}

address->family = AF_INET;

address->in_addr.in = addr;

address->prefixlen = 16;

address->scope = RT_SCOPE_LINK;

address_drop(address, link, &address_drop_handler);

r = route_new_dynamic(&route);

if (r < 0) {

log_error_link(link, "Could not allocate route: %s",

strerror(-r));

return r;

}

route->family = AF_INET;

route->scope = RT_SCOPE_LINK;

route->metrics = 99;

route_drop(route, link, &route_drop_handler);

}

return 0;

}

static bool ipv4ll_is_bound(sd_ipv4ll *ll) {

int r;

struct in_addr addr;

assert(ll);

r = sd_ipv4ll_get_address(ll, &addr);

if (r < 0)

return false;

return true;

}

static int ipv4ll_address_claimed(sd_ipv4ll *ll, Link *link) {

struct in_addr address;

int r;

assert(ll);

assert(link);

r = sd_ipv4ll_get_address(ll, &address);

if (r < 0)

return r;

log_struct_link(LOG_INFO, link,

"MESSAGE=%s: IPv4 link-local address %u.%u.%u.%u",

link->ifname,

ADDRESS_FMT_VAL(address),

NULL);

link_enter_set_addresses(link);

return 0;

}

static void ipv4ll_handler(sd_ipv4ll *ll, int event, void *userdata){

Link *link = userdata;

int r;

assert(link);

assert(link->network);

assert(link->manager);

switch(event) {

case IPV4LL_EVENT_STOP:

case IPV4LL_EVENT_CONFLICT:

r = ipv4ll_address_lost(link);

if (r < 0) {

link_enter_failed(link);

return;

}

break;

case IPV4LL_EVENT_BIND:

r = ipv4ll_address_claimed(ll, link);

if (r < 0) {

link_enter_failed(link);

return;

}

break;

default:

if (event < 0)

log_warning_link(link, "IPv4 link-local error: %s", strerror(-event));

else

log_warning_link(link, "IPv4 link-local unknown event: %d", event);

break;

}

}

static int link_acquire_conf(Link *link) {

int r;

assert(link);

assert(link->network);

assert(link->manager);

assert(link->manager->event);

if (link->network->ipv4ll) {

assert(link->ipv4ll);

log_debug_link(link, "acquiring IPv4 link-local address");

r = sd_ipv4ll_start(link->ipv4ll);

if (r < 0)

return r;

}

if (link->network->dhcp) {

assert(link->dhcp_client);

log_debug_link(link, "acquiring DHCPv4 lease");

r = sd_dhcp_client_start(link->dhcp_client);

if (r < 0)

return r;

}

return 0;

}

static int link_update_flags(Link *link, unsigned flags) {

unsigned flags_added, flags_removed, generic_flags;

bool carrier_gained, carrier_lost;

int r;

assert(link);

if (link->state == LINK_STATE_FAILED)

return 0;

if (link->flags == flags)

return 0;

flags_added = (link->flags ^ flags) & flags;

flags_removed = (link->flags ^ flags) & link->flags;

generic_flags = ~(IFF_UP | IFF_LOWER_UP | IFF_DORMANT | IFF_DEBUG |

IFF_MULTICAST | IFF_BROADCAST | IFF_PROMISC |

IFF_NOARP | IFF_MASTER | IFF_SLAVE);

/* consider link to have carrier when LOWER_UP and !DORMANT

carrier_gained = (((flags_added & IFF_LOWER_UP) && !(flags & IFF_DORMANT)) ||

((flags_removed & IFF_DORMANT) && (flags & IFF_LOWER_UP)));

carrier_lost = ((link->flags & IFF_LOWER_UP) && !(link->flags & IFF_DORMANT)) &&

((flags_removed & IFF_LOWER_UP) || (flags_added & IFF_DORMANT));

link->flags = flags;

if (!link->network)

/* not currently managing this link

return 0;

if (flags_added & IFF_UP)

log_info_link(link, "link is up");

else if (flags_removed & IFF_UP)

log_info_link(link, "link is down");

if (flags_added & IFF_LOWER_UP)

log_debug_link(link, "link is lower up");

else if (flags_removed & IFF_LOWER_UP)

log_debug_link(link, "link is lower down");

if (flags_added & IFF_DORMANT)

log_debug_link(link, "link is dormant");

else if (flags_removed & IFF_DORMANT)

log_debug_link(link, "link is not dormant");

if (flags_added & IFF_DEBUG)

log_debug_link(link, "debugging enabled in the kernel");

else if (flags_removed & IFF_DEBUG)

log_debug_link(link, "debugging disabled in the kernel");

if (flags_added & IFF_MULTICAST)

log_debug_link(link, "multicast enabled");

else if (flags_removed & IFF_MULTICAST)

log_debug_link(link, "multicast disabled");

if (flags_added & IFF_BROADCAST)

log_debug_link(link, "broadcast enabled");

else if (flags_removed & IFF_BROADCAST)

log_debug_link(link, "broadcast disabled");

if (flags_added & IFF_PROMISC)

log_debug_link(link, "promiscuous mode enabled");

else if (flags_removed & IFF_PROMISC)

log_debug_link(link, "promiscuous mode disabled");

if (flags_added & IFF_NOARP)

log_debug_link(link, "ARP protocol disabled");

else if (flags_removed & IFF_NOARP)

log_debug_link(link, "ARP protocol enabled");

if (flags_added & IFF_MASTER)

log_debug_link(link, "link is master");

else if (flags_removed & IFF_MASTER)

log_debug_link(link, "link is no longer master");

if (flags_added & IFF_SLAVE)

log_debug_link(link, "link is slave");

else if (flags_removed & IFF_SLAVE)

log_debug_link(link, "link is no longer slave");

/* link flags are currently at most 18 bits, let's default to printing 20 */

if (flags_added & generic_flags)

log_debug_link(link, "unknown link flags gained: %#.5x (ignoring)",

flags_added & generic_flags);

if (flags_removed & generic_flags)

log_debug_link(link, "unknown link flags lost: %#.5x (ignoring)",

flags_removed & generic_flags);

if (carrier_gained) {

log_info_link(link, "gained carrier");

if (link->network->dhcp || link->network->ipv4ll) {

r = link_acquire_conf(link);

if (r < 0) {

log_warning_link(link, "Could not acquire configuration: %s", strerror(-r));

link_enter_failed(link);

return r;

}

}

} else if (carrier_lost) {

log_info_link(link, "lost carrier");

if (link->network->dhcp) {

r = sd_dhcp_client_stop(link->dhcp_client);

if (r < 0) {

log_warning_link(link, "Could not stop DHCPv4 client: %s", strerror(-r));

link_enter_failed(link);

return r;

}

}

if (link->network->ipv4ll) {

r = sd_ipv4ll_stop(link->ipv4ll);

if (r < 0) {

log_warning_link(link, "Could not stop IPv4 link-local: %s", strerror(-r));

link_enter_failed(link);

return r;

}

}

}

return 0;

}

static int link_up_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {

Link *link = userdata;

int r;

assert(link);

if (link->state == LINK_STATE_FAILED)

return 1;

r = sd_rtnl_message_get_errno(m);

if (r >= 0)

link_update_flags(link, link->flags | IFF_UP);

else

log_struct_link(LOG_WARNING, link,

"MESSAGE=%s: could not bring up interface: %s",

link->ifname, strerror(-r),

"ERRNO=%d", -r,

NULL);

return 1;

}

static int link_up(Link *link) {

_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;

int r;

assert(link);

assert(link->manager);

assert(link->manager->rtnl);

log_debug_link(link, "bringing link up");

r = sd_rtnl_message_new_link(link->manager->rtnl, &req,

RTM_SETLINK, link->ifindex);

if (r < 0) {

log_error_link(link, "Could not allocate RTM_SETLINK message");

return r;

}

r = sd_rtnl_message_link_set_flags(req, IFF_UP, IFF_UP);

if (r < 0) {

log_error_link(link, "Could not set link flags: %s", strerror(-r));

return r;

}

r = sd_rtnl_call_async(link->manager->rtnl, req, link_up_handler, link, 0, NULL);

if (r < 0) {

log_error_link(link,

"Could not send rtnetlink message: %s", strerror(-r));

return r;

}

return 0;

}

static int link_enslaved(Link *link) {

int r;

assert(link);

assert(link->state == LINK_STATE_ENSLAVING);

assert(link->network);

if (!(link->flags & IFF_UP)) {

r = link_up(link);

if (r < 0) {

link_enter_failed(link);

return r;

}

}

if (!link->network->dhcp && !link->network->ipv4ll)

return link_enter_set_addresses(link);

return 0;

}

static int enslave_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {

Link *link = userdata;

int r;

assert(link);

assert(link->state == LINK_STATE_ENSLAVING || link->state == LINK_STATE_FAILED);

assert(link->network);

link->enslaving --;

if (link->state == LINK_STATE_FAILED)

return 1;

r = sd_rtnl_message_get_errno(m);

if (r < 0) {

log_struct_link(LOG_ERR, link,

"MESSAGE=%s: could not enslave: %s",

link->ifname, strerror(-r),

"ERRNO=%d", -r,

NULL);

link_enter_failed(link);

return 1;

}

log_debug_link(link, "enslaved");

if (link->enslaving == 0)

link_enslaved(link);

return 1;

}

static int link_enter_enslave(Link *link) {

NetDev *vlan, *macvlan;

Iterator i;

int r;

assert(link);

assert(link->network);

assert(link->state == LINK_STATE_INITIALIZING);

link->state = LINK_STATE_ENSLAVING;

link_save(link);

if (!link->network->bridge && !link->network->bond &&

hashmap_isempty(link->network->vlans) &&

hashmap_isempty(link->network->macvlans))

return link_enslaved(link);

if (link->network->bridge) {

log_struct_link(LOG_DEBUG, link,

"MESSAGE=%s: enslaving by '%s'",

link->ifname, link->network->bridge->name,

NETDEV(link->network->bridge),

NULL);

r = netdev_enslave(link->network->bridge, link, &enslave_handler);

if (r < 0) {

log_struct_link(LOG_WARNING, link,

"MESSAGE=%s: could not enslave by '%s': %s",

link->ifname, link->network->bridge->name, strerror(-r),

NETDEV(link->network->bridge),

NULL);

link_enter_failed(link);

return r;

}

link->enslaving ++;

}

if (link->network->bond) {

log_struct_link(LOG_DEBUG, link,

"MESSAGE=%s: enslaving by '%s'",

link->ifname, link->network->bond->name,

NETDEV(link->network->bond),

NULL);

r = netdev_enslave(link->network->bond, link, &enslave_handler);

if (r < 0) {

log_struct_link(LOG_WARNING, link,

"MESSAGE=%s: could not enslave by '%s': %s",

link->ifname, link->network->bond->name, strerror(-r),

NETDEV(link->network->bond),

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'",

link->ifname, vlan->name, NETDEV(vlan), NULL);

r = netdev_enslave(vlan, link, &enslave_handler);

if (r < 0) {

log_struct_link(LOG_WARNING, link,