static gboolean
do_link_get_address (char **argv)
{
int ifindex = parse_ifindex (*argv++);
const char *address;
size_t length;
int i;
address = nm_platform_link_get_address (NM_PLATFORM_GET, ifindex, &length);
if (!address || length <= 0)
return FALSE;
for (i = 0; i < length; i++)
printf ("%02x", address[i]);
printf ("\n");
return TRUE;
}
int
main (int argc, char *argv[])
{
char *bad_domains = NULL;
GError *error = NULL;
gboolean wrote_pidfile = FALSE;
gs_free char *pidfile = NULL;
gs_unref_object NMDhcpClient *dhcp4_client = NULL;
gs_unref_object NMRDisc *rdisc = NULL;
GByteArray *hwaddr = NULL;
size_t hwaddr_len = 0;
gconstpointer tmp;
gs_free NMUtilsIPv6IfaceId *iid = NULL;
guint sd_id;
nm_g_type_init ();
setpgid (getpid (), getpid ());
do_early_setup (&argc, &argv);
if (global_opt.g_fatal_warnings) {
GLogLevelFlags fatal_mask;
fatal_mask = g_log_set_always_fatal (G_LOG_FATAL_MASK);
fatal_mask |= G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL;
g_log_set_always_fatal (fatal_mask);
}
if (global_opt.show_version) {
fprintf (stdout, NM_DIST_VERSION "\n");
exit (0);
}
nm_main_utils_ensure_root ();
if (!global_opt.ifname || !global_opt.uuid) {
fprintf (stderr, _("An interface name and UUID are required\n"));
exit (1);
}
ifindex = if_nametoindex (global_opt.ifname);
if (ifindex <= 0) {
fprintf (stderr, _("Failed to find interface index for %s (%s)\n"), global_opt.ifname, strerror (errno));
exit (1);
}
pidfile = g_strdup_printf (NMIH_PID_FILE_FMT, ifindex);
nm_main_utils_ensure_not_running_pidfile (pidfile);
nm_main_utils_ensure_rundir ();
if (!nm_logging_setup (global_opt.opt_log_level,
global_opt.opt_log_domains,
&bad_domains,
&error)) {
fprintf (stderr,
_("%s. Please use --help to see a list of valid options.\n"),
error->message);
exit (1);
} else if (bad_domains) {
fprintf (stderr,
_("Ignoring unrecognized log domain(s) '%s' passed on command line.\n"),
bad_domains);
g_clear_pointer (&bad_domains, g_free);
}
if (global_opt.become_daemon && !global_opt.debug) {
if (daemon (0, 0) < 0) {
int saved_errno;
saved_errno = errno;
fprintf (stderr, _("Could not daemonize: %s [error %u]\n"),
g_strerror (saved_errno),
saved_errno);
exit (1);
}
if (nm_main_utils_write_pidfile (pidfile))
wrote_pidfile = TRUE;
}
/* Set up unix signal handling - before creating threads, but after daemonizing! */
main_loop = g_main_loop_new (NULL, FALSE);
setup_signals ();
nm_logging_syslog_openlog (global_opt.logging_backend
? global_opt.logging_backend
: (global_opt.debug ? "debug" : NULL));
nm_log_info (LOGD_CORE, "nm-iface-helper (version " NM_DIST_VERSION ") is starting...");
/* Set up platform interaction layer */
nm_linux_platform_setup ();
tmp = nm_platform_link_get_address (NM_PLATFORM_GET, ifindex, &hwaddr_len);
if (tmp) {
hwaddr = g_byte_array_sized_new (hwaddr_len);
g_byte_array_append (hwaddr, tmp, hwaddr_len);
}
if (global_opt.iid_str) {
GBytes *bytes;
gsize ignored = 0;
bytes = nm_utils_hexstr2bin (global_opt.iid_str);
if (!bytes || g_bytes_get_size (bytes) != sizeof (*iid)) {
fprintf (stderr, _("(%s): Invalid IID %s\n"), global_opt.ifname, global_opt.iid_str);
exit (1);
}
iid = g_bytes_unref_to_data (bytes, &ignored);
}
if (global_opt.dhcp4_address) {
nm_platform_sysctl_set (NM_PLATFORM_GET, nm_utils_ip4_property_path (global_opt.ifname, "promote_secondaries"), "1");
dhcp4_client = nm_dhcp_manager_start_ip4 (nm_dhcp_manager_get (),
global_opt.ifname,
ifindex,
hwaddr,
global_opt.uuid,
global_opt.priority_v4,
!!global_opt.dhcp4_hostname,
global_opt.dhcp4_hostname,
global_opt.dhcp4_fqdn,
global_opt.dhcp4_clientid,
45,
NULL,
global_opt.dhcp4_address);
g_assert (dhcp4_client);
g_signal_connect (dhcp4_client,
NM_DHCP_CLIENT_SIGNAL_STATE_CHANGED,
G_CALLBACK (dhcp4_state_changed),
NULL);
}
if (global_opt.slaac) {
nm_platform_link_set_user_ipv6ll_enabled (NM_PLATFORM_GET, ifindex, TRUE);
rdisc = nm_lndp_rdisc_new (NM_PLATFORM_GET, ifindex, global_opt.ifname, global_opt.uuid, global_opt.addr_gen_mode, NULL);
g_assert (rdisc);
if (iid)
nm_rdisc_set_iid (rdisc, *iid);
nm_platform_sysctl_set (NM_PLATFORM_GET, nm_utils_ip6_property_path (global_opt.ifname, "accept_ra"), "1");
nm_platform_sysctl_set (NM_PLATFORM_GET, nm_utils_ip6_property_path (global_opt.ifname, "accept_ra_defrtr"), "0");
nm_platform_sysctl_set (NM_PLATFORM_GET, nm_utils_ip6_property_path (global_opt.ifname, "accept_ra_pinfo"), "0");
nm_platform_sysctl_set (NM_PLATFORM_GET, nm_utils_ip6_property_path (global_opt.ifname, "accept_ra_rtr_pref"), "0");
g_signal_connect (NM_PLATFORM_GET,
NM_PLATFORM_SIGNAL_IP6_ADDRESS_CHANGED,
G_CALLBACK (ip6_address_changed),
rdisc);
g_signal_connect (rdisc,
NM_RDISC_CONFIG_CHANGED,
G_CALLBACK (rdisc_config_changed),
NULL);
g_signal_connect (rdisc,
NM_RDISC_RA_TIMEOUT,
G_CALLBACK (rdisc_ra_timeout),
NULL);
nm_rdisc_start (rdisc);
}
sd_id = nm_sd_event_attach_default ();
g_main_loop_run (main_loop);
g_clear_pointer (&hwaddr, g_byte_array_unref);
if (pidfile && wrote_pidfile)
unlink (pidfile);
nm_log_info (LOGD_CORE, "exiting");
nm_clear_g_source (&sd_id);
exit (0);
}
static void
dump_interface (NMPlatformLink *link)
{
GArray *ip6_addresses;
GArray *ip4_addresses;
const NMPlatformIP6Address *ip6_address;
const NMPlatformIP4Address *ip4_address;
char addrstr[INET6_ADDRSTRLEN];
GArray *ip6_routes;
GArray *ip4_routes;
const NMPlatformIP6Route *ip6_route;
const NMPlatformIP4Route *ip4_route;
char networkstr[INET6_ADDRSTRLEN];
char gatewaystr[INET6_ADDRSTRLEN];
int vlan_id, vlan_parent;
const char *address;
size_t addrlen;
int i;
g_assert (link->up || !link->connected);
printf ("%d: %s: %s", link->ifindex, link->name, link->type_name);
if (link->up)
printf (" %s", link->connected ? "CONNECTED" : "DISCONNECTED");
else
printf (" DOWN");
if (!link->arp)
printf (" noarp");
if (link->master)
printf (" master %d", link->master);
if (link->parent)
printf (" parent %d", link->parent);
printf (" mtu %d", link->mtu);
printf ("\n");
if (link->driver)
printf (" driver: %s\n", link->driver);
printf (" UDI: %s\n", link->udi);
nm_platform_vlan_get_info (link->ifindex, &vlan_parent, &vlan_id);
if (vlan_parent)
printf (" vlan parent %d id %d\n", vlan_parent, vlan_id);
if (nm_platform_link_is_software (link->ifindex))
printf (" class software\n");
if (nm_platform_link_supports_slaves (link->ifindex))
printf (" class supports-slaves\n");
if (nm_platform_link_supports_carrier_detect (link->ifindex))
printf (" feature carrier-detect\n");
if (nm_platform_link_supports_vlans (link->ifindex))
printf (" feature vlans\n");
address = nm_platform_link_get_address (link->ifindex, &addrlen);
if (address) {
printf (" link-address ");
for (i = 0; i < addrlen; i++)
printf ("%s%02hhx", i ? ":" : "", address[i]);
printf ("\n");
}
ip4_addresses = nm_platform_ip4_address_get_all (link->ifindex);
ip6_addresses = nm_platform_ip6_address_get_all (link->ifindex);
g_assert (ip4_addresses);
g_assert (ip6_addresses);
for (i = 0; i < ip4_addresses->len; i++) {
ip4_address = &g_array_index (ip4_addresses, NMPlatformIP4Address, i);
inet_ntop (AF_INET, &ip4_address->address, addrstr, sizeof (addrstr));
printf (" ip4-address %s/%d\n", addrstr, ip4_address->plen);
}
for (i = 0; i < ip6_addresses->len; i++) {
ip6_address = &g_array_index (ip6_addresses, NMPlatformIP6Address, i);
inet_ntop (AF_INET6, &ip6_address->address, addrstr, sizeof (addrstr));
printf (" ip6-address %s/%d\n", addrstr, ip6_address->plen);
}
g_array_unref (ip4_addresses);
g_array_unref (ip6_addresses);
ip4_routes = nm_platform_ip4_route_get_all (link->ifindex);
ip6_routes = nm_platform_ip6_route_get_all (link->ifindex);
g_assert (ip4_routes);
g_assert (ip6_routes);
for (i = 0; i < ip4_routes->len; i++) {
ip4_route = &g_array_index (ip4_routes, NMPlatformIP4Route, i);
inet_ntop (AF_INET, &ip4_route->network, networkstr, sizeof (networkstr));
inet_ntop (AF_INET, &ip4_route->gateway, gatewaystr, sizeof (gatewaystr));
printf (" ip4-route %s/%d via %s\n", networkstr, ip4_route->plen, gatewaystr);
}
for (i = 0; i < ip6_routes->len; i++) {
ip6_route = &g_array_index (ip6_routes, NMPlatformIP6Route, i);
inet_ntop (AF_INET6, &ip6_route->network, networkstr, sizeof (networkstr));
inet_ntop (AF_INET6, &ip6_route->gateway, gatewaystr, sizeof (gatewaystr));
printf (" ip6-route %s/%d via %s\n", networkstr, ip6_route->plen, gatewaystr);
}
g_array_unref (ip4_routes);
g_array_unref (ip6_routes);
}
