NMIP6Config *
nm_ip6_config_new_for_interface (int ifindex)
{
NMIP6Config *ip6;
GArray *addrs_array, *routes_array;
NMPlatformIP6Address *addrs;
NMPlatformIP6Route *routes;
NMIP6Address *addr;
NMIP6Route *route;
int i;
addrs_array = nm_platform_ip6_address_get_all (ifindex);
if (addrs_array->len == 0) {
g_array_unref (addrs_array);
return NULL;
}
ip6 = nm_ip6_config_new ();
addrs = (NMPlatformIP6Address *)addrs_array->data;
for (i = 0; i < addrs_array->len; i++) {
addr = nm_ip6_address_new ();
nm_ip6_address_set_address (addr, &addrs[i].address);
nm_ip6_address_set_prefix (addr, addrs[i].plen);
nm_ip6_config_take_address (ip6, addr);
}
g_array_unref (addrs_array);
routes_array = nm_platform_ip6_route_get_all (ifindex);
routes = (NMPlatformIP6Route *)routes_array->data;
for (i = 0; i < routes_array->len; i++) {
/* Default route ignored; it's handled internally by NM and not
* tracked in the device's IP config.
*/
if (routes[i].plen == 0)
continue;
route = nm_ip6_route_new ();
nm_ip6_route_set_dest (route, &routes[i].network);
nm_ip6_route_set_prefix (route, routes[i].plen);
nm_ip6_route_set_next_hop (route, &routes[i].gateway);
nm_ip6_route_set_metric (route, routes[i].metric);
nm_ip6_config_take_route (ip6, route);
}
g_array_unref (routes_array);
return ip6;
}
static gboolean
demarshal_ip6_config (NMObject *object, GParamSpec *pspec, GValue *value, gpointer field)
{
NMDevicePrivate *priv = NM_DEVICE_GET_PRIVATE (object);
const char *path;
NMIP6Config *config = NULL;
DBusGConnection *connection;
if (!G_VALUE_HOLDS (value, DBUS_TYPE_G_OBJECT_PATH))
return FALSE;
priv->null_ip6_config = FALSE;
path = g_value_get_boxed (value);
if (path) {
if (!strcmp (path, "/"))
priv->null_ip6_config = TRUE;
else {
config = NM_IP6_CONFIG (_nm_object_cache_get (path));
if (config)
config = g_object_ref (config);
else {
connection = nm_object_get_connection (object);
config = NM_IP6_CONFIG (nm_ip6_config_new (connection, path));
}
}
}
if (priv->ip6_config) {
g_object_unref (priv->ip6_config);
priv->ip6_config = NULL;
}
if (config)
priv->ip6_config = config;
_nm_object_queue_notify (object, NM_DEVICE_IP6_CONFIG);
return TRUE;
}
static void
impl_ppp_manager_set_ip6_config (NMPPPManager *manager,
GDBusMethodInvocation *context,
GVariant *config_dict)
{
NMPPPManagerPrivate *priv = NM_PPP_MANAGER_GET_PRIVATE (manager);
NMIP6Config *config;
NMPlatformIP6Address addr;
struct in6_addr a;
NMUtilsIPv6IfaceId iid = NM_UTILS_IPV6_IFACE_ID_INIT;
_LOGI ("(IPv6 Config Get) reply received.");
remove_timeout_handler (manager);
config = nm_ip6_config_new (nm_platform_link_get_ifindex (NM_PLATFORM_GET, priv->ip_iface));
memset (&addr, 0, sizeof (addr));
addr.plen = 64;
if (iid_value_to_ll6_addr (config_dict, NM_PPP_IP6_CONFIG_PEER_IID, &a, NULL)) {
nm_ip6_config_set_gateway (config, &a);
addr.peer_address = a;
}
if (iid_value_to_ll6_addr (config_dict, NM_PPP_IP6_CONFIG_OUR_IID, &addr.address, &iid)) {
nm_ip6_config_add_address (config, &addr);
if (set_ip_config_common (manager, config_dict, NM_PPP_IP6_CONFIG_INTERFACE, NULL)) {
/* Push the IPv6 config and interface identifier up to the device */
g_signal_emit (manager, signals[IP6_CONFIG], 0, priv->ip_iface, &iid, config);
}
} else
_LOGE ("invalid IPv6 address received!");
g_object_unref (config);
g_dbus_method_invocation_return_value (context, NULL);
}
NMIP6Config *
nm_ip6_manager_get_ip6_config (NMIP6Manager *manager, int ifindex)
{
NMIP6ManagerPrivate *priv;
NMIP6Device *device;
NMIP6Config *config;
struct rtnl_addr *rtnladdr;
struct nl_addr *nladdr;
struct in6_addr *addr;
NMIP6Address *ip6addr;
struct rtnl_route *rtnlroute;
struct nl_addr *nldest, *nlgateway;
struct in6_addr *dest, *gateway;
gboolean defgw_set = FALSE;
struct in6_addr defgw;
uint32_t metric;
NMIP6Route *ip6route;
int i;
g_return_val_if_fail (NM_IS_IP6_MANAGER (manager), NULL);
g_return_val_if_fail (ifindex > 0, NULL);
priv = NM_IP6_MANAGER_GET_PRIVATE (manager);
device = (NMIP6Device *) g_hash_table_lookup (priv->devices,
GINT_TO_POINTER (ifindex));
if (!device) {
nm_log_warn (LOGD_IP6, "(%d): addrconf not started.", ifindex);
return NULL;
}
config = nm_ip6_config_new ();
if (!config) {
nm_log_err (LOGD_IP6, "(%s): out of memory creating IP6 config object.",
device->iface);
return NULL;
}
/* Make sure we refill the route and address caches, otherwise we won't get
* up-to-date information here since the netlink route/addr change messages
* may be lagging a bit.
*/
nl_cache_refill (priv->nlh, priv->route_cache);
nl_cache_refill (priv->nlh, priv->addr_cache);
/* Add routes */
for (rtnlroute = FIRST_ROUTE (priv->route_cache); rtnlroute; rtnlroute = NEXT_ROUTE (rtnlroute)) {
/* Make sure it's an IPv6 route for this device */
if (rtnl_route_get_oif (rtnlroute) != device->ifindex)
continue;
if (rtnl_route_get_family (rtnlroute) != AF_INET6)
continue;
nldest = rtnl_route_get_dst (rtnlroute);
if (!nldest || nl_addr_get_family (nldest) != AF_INET6)
continue;
dest = nl_addr_get_binary_addr (nldest);
nlgateway = rtnl_route_get_gateway (rtnlroute);
if (!nlgateway || nl_addr_get_family (nlgateway) != AF_INET6)
continue;
gateway = nl_addr_get_binary_addr (nlgateway);
if (rtnl_route_get_dst_len (rtnlroute) == 0) {
/* Default gateway route; don't add to normal routes but to each address */
if (!defgw_set) {
memcpy (&defgw, gateway, sizeof (defgw));
defgw_set = TRUE;
}
continue;
}
/* Also ignore link-local routes where the destination and gateway are
* the same, which apparently get added by the kernel but return -EINVAL
* when we try to add them via netlink.
*/
if (gateway && IN6_ARE_ADDR_EQUAL (dest, gateway))
continue;
ip6route = nm_ip6_route_new ();
nm_ip6_route_set_dest (ip6route, dest);
nm_ip6_route_set_prefix (ip6route, rtnl_route_get_dst_len (rtnlroute));
nm_ip6_route_set_next_hop (ip6route, gateway);
rtnl_route_get_metric(rtnlroute, 1, &metric);
if (metric != UINT_MAX)
nm_ip6_route_set_metric (ip6route, metric);
nm_ip6_config_take_route (config, ip6route);
}
/* Add addresses */
for (rtnladdr = FIRST_ADDR (priv->addr_cache); rtnladdr; rtnladdr = NEXT_ADDR (rtnladdr)) {
if (rtnl_addr_get_ifindex (rtnladdr) != device->ifindex)
continue;
nladdr = rtnl_addr_get_local (rtnladdr);
if (!nladdr || nl_addr_get_family (nladdr) != AF_INET6)
continue;
addr = nl_addr_get_binary_addr (nladdr);
ip6addr = nm_ip6_address_new ();
nm_ip6_address_set_prefix (ip6addr, rtnl_addr_get_prefixlen (rtnladdr));
nm_ip6_address_set_address (ip6addr, addr);
nm_ip6_config_take_address (config, ip6addr);
if (defgw_set)
nm_ip6_address_set_gateway (ip6addr, &defgw);
}
/* Add DNS servers */
if (device->rdnss_servers) {
NMIP6RDNSS *rdnss = (NMIP6RDNSS *)(device->rdnss_servers->data);
for (i = 0; i < device->rdnss_servers->len; i++)
nm_ip6_config_add_nameserver (config, &rdnss[i].addr);
}
/* Add DNS domains */
if (device->dnssl_domains) {
NMIP6DNSSL *dnssl = (NMIP6DNSSL *)(device->dnssl_domains->data);
for (i = 0; i < device->dnssl_domains->len; i++)
nm_ip6_config_add_domain (config, dnssl[i].domain);
}
return config;
}
static void
rdisc_config_changed (NMRDisc *rdisc, NMRDiscConfigMap changed, gpointer user_data)
{
static NMIP6Config *rdisc_config = NULL;
NMIP6Config *existing;
static int system_support = -1;
guint32 ifa_flags = 0x00;
int i;
if (system_support == -1) {
/*
* Check, whether kernel is recent enough, to help user space handling RA.
* If it's not supported, we have no ipv6-privacy and must add autoconf
* addresses as /128.
* The reason for the /128 is to prevent the kernel
* from adding a prefix route for this address.
**/
system_support = nm_platform_check_support_kernel_extended_ifa_flags (NM_PLATFORM_GET);
}
if (system_support)
ifa_flags = IFA_F_NOPREFIXROUTE;
if (global_opt.tempaddr == NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_TEMP_ADDR
|| global_opt.tempaddr == NM_SETTING_IP6_CONFIG_PRIVACY_PREFER_PUBLIC_ADDR)
{
/* without system_support, this flag will be ignored. Still set it, doesn't seem to do any harm. */
ifa_flags |= IFA_F_MANAGETEMPADDR;
}
existing = nm_ip6_config_capture (ifindex, FALSE, global_opt.tempaddr);
if (rdisc_config)
nm_ip6_config_subtract (existing, rdisc_config);
else
rdisc_config = nm_ip6_config_new (ifindex);
if (changed & NM_RDISC_CONFIG_GATEWAYS) {
/* Use the first gateway as ordered in router discovery cache. */
if (rdisc->gateways->len) {
NMRDiscGateway *gateway = &g_array_index (rdisc->gateways, NMRDiscGateway, 0);
nm_ip6_config_set_gateway (rdisc_config, &gateway->address);
} else
nm_ip6_config_set_gateway (rdisc_config, NULL);
}
if (changed & NM_RDISC_CONFIG_ADDRESSES) {
/* Rebuild address list from router discovery cache. */
nm_ip6_config_reset_addresses (rdisc_config);
/* rdisc->addresses contains at most max_addresses entries.
* This is different from what the kernel does, which
* also counts static and temporary addresses when checking
* max_addresses.
**/
for (i = 0; i < rdisc->addresses->len; i++) {
NMRDiscAddress *discovered_address = &g_array_index (rdisc->addresses, NMRDiscAddress, i);
NMPlatformIP6Address address;
memset (&address, 0, sizeof (address));
address.address = discovered_address->address;
address.plen = system_support ? 64 : 128;
address.timestamp = discovered_address->timestamp;
address.lifetime = discovered_address->lifetime;
address.preferred = discovered_address->preferred;
if (address.preferred > address.lifetime)
address.preferred = address.lifetime;
address.source = NM_IP_CONFIG_SOURCE_RDISC;
address.n_ifa_flags = ifa_flags;
nm_ip6_config_add_address (rdisc_config, &address);
}
}
if (changed & NM_RDISC_CONFIG_ROUTES) {
/* Rebuild route list from router discovery cache. */
nm_ip6_config_reset_routes (rdisc_config);
for (i = 0; i < rdisc->routes->len; i++) {
NMRDiscRoute *discovered_route = &g_array_index (rdisc->routes, NMRDiscRoute, i);
NMPlatformIP6Route route;
/* Only accept non-default routes. The router has no idea what the
* local configuration or user preferences are, so sending routes
* with a prefix length of 0 is quite rude and thus ignored.
*/
if ( discovered_route->plen > 0
&& discovered_route->plen <= 128) {
memset (&route, 0, sizeof (route));
route.network = discovered_route->network;
route.plen = discovered_route->plen;
route.gateway = discovered_route->gateway;
route.source = NM_IP_CONFIG_SOURCE_RDISC;
route.metric = global_opt.priority_v6;
nm_ip6_config_add_route (rdisc_config, &route);
}
}
}
if (changed & NM_RDISC_CONFIG_DHCP_LEVEL) {
/* Unsupported until systemd DHCPv6 is ready */
}
if (changed & NM_RDISC_CONFIG_HOP_LIMIT)
nm_platform_sysctl_set_ip6_hop_limit_safe (NM_PLATFORM_GET, global_opt.ifname, rdisc->hop_limit);
if (changed & NM_RDISC_CONFIG_MTU) {
char val[16];
g_snprintf (val, sizeof (val), "%d", rdisc->mtu);
nm_platform_sysctl_set (NM_PLATFORM_GET, nm_utils_ip6_property_path (global_opt.ifname, "mtu"), val);
}
nm_ip6_config_merge (existing, rdisc_config, NM_IP_CONFIG_MERGE_DEFAULT);
if (!nm_ip6_config_commit (existing, ifindex, TRUE))
nm_log_warn (LOGD_IP6, "(%s): failed to apply IPv6 config", global_opt.ifname);
}
static NMIP6Config *
lease_to_ip6_config (const char *iface,
int ifindex,
sd_dhcp6_lease *lease,
GHashTable *options,
gboolean log_lease,
gboolean info_only,
GError **error)
{
struct in6_addr tmp_addr, *dns;
uint32_t lft_pref, lft_valid;
NMIP6Config *ip6_config;
const char *addr_str;
char **domains;
GString *str;
int num, i;
gint32 ts;
g_return_val_if_fail (lease, NULL);
ip6_config = nm_ip6_config_new (ifindex);
ts = nm_utils_get_monotonic_timestamp_s ();
str = g_string_sized_new (30);
/* Addresses */
sd_dhcp6_lease_reset_address_iter (lease);
while (sd_dhcp6_lease_get_address (lease, &tmp_addr, &lft_pref, &lft_valid) >= 0) {
NMPlatformIP6Address address = {
.plen = 128,
.address = tmp_addr,
.timestamp = ts,
.lifetime = lft_valid,
.preferred = lft_pref,
.addr_source = NM_IP_CONFIG_SOURCE_DHCP,
};
nm_ip6_config_add_address (ip6_config, &address);
addr_str = nm_utils_inet6_ntop (&tmp_addr, NULL);
g_string_append_printf (str, "%s%s", str->len ? " " : "", addr_str);
LOG_LEASE (LOGD_DHCP6,
" address %s",
nm_platform_ip6_address_to_string (&address, NULL, 0));
};
if (str->len) {
add_option (options, dhcp6_requests, DHCP6_OPTION_IP_ADDRESS, str->str);
g_string_set_size (str , 0);
}
if (!info_only && nm_ip6_config_get_num_addresses (ip6_config) == 0) {
g_string_free (str, TRUE);
g_object_unref (ip6_config);
g_set_error_literal (error,
NM_MANAGER_ERROR,
NM_MANAGER_ERROR_FAILED,
"no address received in managed mode");
return NULL;
}
/* DNS servers */
num = sd_dhcp6_lease_get_dns (lease, &dns);
if (num > 0) {
for (i = 0; i < num; i++) {
nm_ip6_config_add_nameserver (ip6_config, &dns[i]);
addr_str = nm_utils_inet6_ntop (&dns[i], NULL);
g_string_append_printf (str, "%s%s", str->len ? " " : "", addr_str);
LOG_LEASE (LOGD_DHCP6, " nameserver %s", addr_str);
}
add_option (options, dhcp6_requests, SD_DHCP6_OPTION_DNS_SERVERS, str->str);
g_string_set_size (str, 0);
}
/* Search domains */
num = sd_dhcp6_lease_get_domains (lease, &domains);
if (num > 0) {
for (i = 0; i < num; i++) {
nm_ip6_config_add_search (ip6_config, domains[i]);
g_string_append_printf (str, "%s%s", str->len ? " " : "", domains[i]);
LOG_LEASE (LOGD_DHCP6, " domain name '%s'", domains[i]);
}
add_option (options, dhcp6_requests, SD_DHCP6_OPTION_DOMAIN_LIST, str->str);
g_string_set_size (str, 0);
}
g_string_free (str, TRUE);
return ip6_config;
}
static void
bound6_handle (NMDhcpSystemd *self)
{
NMDhcpSystemdPrivate *priv = NM_DHCP_SYSTEMD_GET_PRIVATE (self);
const char *iface = nm_dhcp_client_get_iface (NM_DHCP_CLIENT (self));
gs_unref_object NMIP6Config *ip6_config = NULL;
gs_unref_hashtable GHashTable *options = NULL;
gs_free_error GError *error = NULL;
sd_dhcp6_lease *lease;
int r;
r = sd_dhcp6_client_get_lease (priv->client6, &lease);
if (r < 0 || !lease) {
_LOGW (" no lease!");
nm_dhcp_client_set_state (NM_DHCP_CLIENT (self), NM_DHCP_STATE_FAIL, NULL, NULL);
return;
}
_LOGD ("lease available");
options = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, g_free);
ip6_config = lease_to_ip6_config (iface,
nm_dhcp_client_get_ifindex (NM_DHCP_CLIENT (self)),
lease,
options,
TRUE,
priv->info_only,
&error);
if (ip6_config) {
nm_dhcp_client_set_state (NM_DHCP_CLIENT (self),
NM_DHCP_STATE_BOUND,
G_OBJECT (ip6_config),
options);
} else {
_LOGW ("%s", error->message);
nm_dhcp_client_set_state (NM_DHCP_CLIENT (self), NM_DHCP_STATE_FAIL, NULL, NULL);
}
}
NMIP6Config *
nm_dhcp_utils_ip6_config_from_options (int ifindex,
const char *iface,
GHashTable *options,
guint32 priority,
gboolean info_only)
{
NMIP6Config *ip6_config = NULL;
struct in6_addr tmp_addr;
NMPlatformIP6Address address;
char *str = NULL;
GHashTableIter iter;
gpointer key, value;
g_return_val_if_fail (options != NULL, NULL);
memset (&address, 0, sizeof (address));
address.plen = 128;
address.timestamp = nm_utils_get_monotonic_timestamp_s ();
g_hash_table_iter_init (&iter, options);
while (g_hash_table_iter_next (&iter, &key, &value)) {
nm_log_dbg (LOGD_DHCP6, "(%s): option '%s'=>'%s'",
iface, (const char *) key, (const char *) value);
}
ip6_config = nm_ip6_config_new (ifindex);
str = g_hash_table_lookup (options, "max_life");
if (str) {
address.lifetime = strtoul (str, NULL, 10);
nm_log_info (LOGD_DHCP6, " valid_lft %u", address.lifetime);
}
str = g_hash_table_lookup (options, "preferred_life");
if (str) {
address.preferred = strtoul (str, NULL, 10);
nm_log_info (LOGD_DHCP6, " preferred_lft %u", address.preferred);
}
str = g_hash_table_lookup (options, "ip6_address");
if (str) {
if (!inet_pton (AF_INET6, str, &tmp_addr)) {
nm_log_warn (LOGD_DHCP6, "(%s): DHCP returned invalid address '%s'",
iface, str);
goto error;
}
address.address = tmp_addr;
address.source = NM_IP_CONFIG_SOURCE_DHCP;
nm_ip6_config_add_address (ip6_config, &address);
nm_log_info (LOGD_DHCP6, " address %s", str);
} else if (info_only == FALSE) {
/* No address in Managed mode is a hard error */
goto error;
}
str = g_hash_table_lookup (options, "host_name");
if (str)
nm_log_info (LOGD_DHCP6, " hostname '%s'", str);
str = g_hash_table_lookup (options, "dhcp6_name_servers");
if (str) {
char **dns = g_strsplit (str, " ", 0);
char **s;
for (s = dns; *s; s++) {
if (inet_pton (AF_INET6, *s, &tmp_addr) > 0) {
if (!IN6_IS_ADDR_UNSPECIFIED (&tmp_addr)) {
nm_ip6_config_add_nameserver (ip6_config, &tmp_addr);
nm_log_info (LOGD_DHCP6, " nameserver '%s'", *s);
}
} else
nm_log_warn (LOGD_DHCP6, "ignoring invalid nameserver '%s'", *s);
}
g_strfreev (dns);
}
str = g_hash_table_lookup (options, "dhcp6_domain_search");
if (str)
process_domain_search (str, ip6_add_domain_search, ip6_config);
return ip6_config;
error:
g_object_unref (ip6_config);
return NULL;
}
/* Given a table of DHCP options from the client, convert into an IP6Config */
static NMIP6Config *
ip6_options_to_config (NMDHCPClient *self)
{
NMDHCPClientPrivate *priv;
NMIP6Config *ip6_config = NULL;
struct in6_addr tmp_addr;
NMIP6Address *addr = NULL;
char *str = NULL;
GHashTableIter iter;
gpointer key, value;
g_return_val_if_fail (self != NULL, NULL);
g_return_val_if_fail (NM_IS_DHCP_CLIENT (self), NULL);
priv = NM_DHCP_CLIENT_GET_PRIVATE (self);
g_return_val_if_fail (priv->options != NULL, NULL);
g_hash_table_iter_init (&iter, priv->options);
while (g_hash_table_iter_next (&iter, &key, &value)) {
nm_log_dbg (LOGD_DHCP6, "(%s): option '%s'=>'%s'",
priv->iface, (const char *) key, (const char *) value);
}
ip6_config = nm_ip6_config_new ();
if (!ip6_config) {
nm_log_warn (LOGD_DHCP6, "(%s): couldn't allocate memory for an IP6Config!", priv->iface);
return NULL;
}
str = g_hash_table_lookup (priv->options, "new_ip6_address");
if (str) {
if (!inet_pton (AF_INET6, str, &tmp_addr)) {
nm_log_warn (LOGD_DHCP6, "(%s): DHCP returned invalid address '%s'",
priv->iface, str);
goto error;
}
addr = nm_ip6_address_new ();
g_assert (addr);
nm_ip6_address_set_address (addr, &tmp_addr);
/* DHCPv6 IA_NA assignments are single address only */
nm_ip6_address_set_prefix (addr, 128);
nm_log_info (LOGD_DHCP6, " address %s/128", str);
nm_ip6_config_take_address (ip6_config, addr);
} else if (priv->info_only == FALSE) {
/* No address in Managed mode is a hard error */
goto error;
}
str = g_hash_table_lookup (priv->options, "new_host_name");
if (str)
nm_log_info (LOGD_DHCP6, " hostname '%s'", str);
str = g_hash_table_lookup (priv->options, "new_dhcp6_name_servers");
if (str) {
char **searches = g_strsplit (str, " ", 0);
char **s;
for (s = searches; *s; s++) {
if (inet_pton (AF_INET6, *s, &tmp_addr) > 0) {
nm_ip6_config_add_nameserver (ip6_config, &tmp_addr);
nm_log_info (LOGD_DHCP6, " nameserver '%s'", *s);
} else
nm_log_warn (LOGD_DHCP6, "ignoring invalid nameserver '%s'", *s);
}
g_strfreev (searches);
}
str = g_hash_table_lookup (priv->options, "new_dhcp6_domain_search");
if (str)
process_domain_search (str, ip6_add_domain_search, ip6_config);
return ip6_config;
error:
g_object_unref (ip6_config);
return NULL;
}
/* Given a table of DHCP options from the client, convert into an IP6Config */
static NMIP6Config *
ip6_options_to_config (NMDHCPClient *self)
{
NMDHCPClientPrivate *priv;
NMIP6Config *ip6_config = NULL;
struct in6_addr tmp_addr;
NMIP6Address *addr = NULL;
char *str = NULL;
GHashTableIter iter;
gpointer key, value;
g_return_val_if_fail (self != NULL, NULL);
g_return_val_if_fail (NM_IS_DHCP_CLIENT (self), NULL);
priv = NM_DHCP_CLIENT_GET_PRIVATE (self);
g_return_val_if_fail (priv->options != NULL, NULL);
g_hash_table_iter_init (&iter, priv->options);
while (g_hash_table_iter_next (&iter, &key, &value)) {
nm_log_dbg (LOGD_DHCP6, "(%s): option '%s'=>'%s'",
priv->iface, (const char *) key, (const char *) value);
}
ip6_config = nm_ip6_config_new ();
if (!ip6_config) {
nm_log_warn (LOGD_DHCP6, "(%s): couldn't allocate memory for an IP6Config!", priv->iface);
return NULL;
}
addr = nm_ip6_address_new ();
if (!addr) {
nm_log_warn (LOGD_DHCP6, "(%s): couldn't allocate memory for an IP6 Address!", priv->iface);
goto error;
}
str = g_hash_table_lookup (priv->options, "new_ip6_address");
if (str) {
if (!inet_pton (AF_INET6, str, &tmp_addr)) {
nm_log_warn (LOGD_DHCP6, "(%s): DHCP returned invalid address '%s'",
priv->iface);
goto error;
}
nm_ip6_address_set_address (addr, &tmp_addr);
nm_log_info (LOGD_DHCP6, " address %s", str);
} else {
/* No address in managed mode is a hard error */
if (priv->info_only == FALSE)
goto error;
/* But "info-only" setups don't necessarily need an address */
nm_ip6_address_unref (addr);
addr = NULL;
}
/* Only care about prefix if we got an address */
if (addr) {
str = g_hash_table_lookup (priv->options, "new_ip6_prefixlen");
if (str) {
long unsigned int prefix;
errno = 0;
prefix = strtoul (str, NULL, 10);
if (errno != 0 || prefix > 128)
goto error;
nm_ip6_address_set_prefix (addr, (guint32) prefix);
nm_log_info (LOGD_DHCP6, " prefix %lu", prefix);
}
nm_ip6_config_take_address (ip6_config, addr);
addr = NULL;
}
str = g_hash_table_lookup (priv->options, "new_host_name");
if (str)
nm_log_info (LOGD_DHCP6, " hostname '%s'", str);
str = g_hash_table_lookup (priv->options, "new_dhcp6_name_servers");
if (str) {
char **searches = g_strsplit (str, " ", 0);
char **s;
for (s = searches; *s; s++) {
if (inet_pton (AF_INET6, *s, &tmp_addr) > 0) {
nm_ip6_config_add_nameserver (ip6_config, &tmp_addr);
nm_log_info (LOGD_DHCP6, " nameserver '%s'", *s);
} else
nm_log_warn (LOGD_DHCP6, "ignoring invalid nameserver '%s'", *s);
}
g_strfreev (searches);
}
str = g_hash_table_lookup (priv->options, "new_dhcp6_domain_search");
if (str)
process_domain_search (str, ip6_add_domain_search, ip6_config);
return ip6_config;
error:
if (addr)
nm_ip6_address_unref (addr);
g_object_unref (ip6_config);
return NULL;
}