static gboolean
sync_connection_setup (NMNetlinkMonitor *self, GError **error)
{
NMNetlinkMonitorPrivate *priv = NM_NETLINK_MONITOR_GET_PRIVATE (self);
#ifdef LIBNL_NEEDS_ADDR_CACHING_WORKAROUND
struct nl_cache *addr_cache;
#endif
int err;
/* Set up the event listener connection */
priv->nlh_sync = nl_socket_alloc ();
if (!priv->nlh_sync) {
g_set_error (error, NM_NETLINK_MONITOR_ERROR,
NM_NETLINK_MONITOR_ERROR_NETLINK_ALLOC_HANDLE,
_("unable to allocate netlink handle for monitoring link status: %s"),
nl_geterror (ENOMEM));
goto error;
}
if (!nlh_setup (priv->nlh_sync, NULL, self, error))
goto error;
#ifdef LIBNL_NEEDS_ADDR_CACHING_WORKAROUND
/* Work around apparent libnl bug; rtnl_addr requires that all
* addresses have the "peer" attribute set in order to be compared
* for equality, but this attribute is not normally set. As a
* result, most addresses will not compare as equal even to
* themselves, busting caching.
*/
rtnl_addr_alloc_cache (priv->nlh_sync, &addr_cache);
g_warn_if_fail (addr_cache != NULL);
nl_cache_get_ops (addr_cache)->co_obj_ops->oo_id_attrs &= ~0x80;
nl_cache_free (addr_cache);
#endif
err = rtnl_link_alloc_cache (priv->nlh_sync, AF_UNSPEC, &priv->link_cache);
if (err < 0) {
g_set_error (error, NM_NETLINK_MONITOR_ERROR,
NM_NETLINK_MONITOR_ERROR_NETLINK_ALLOC_LINK_CACHE,
_("unable to allocate netlink link cache for monitoring link status: %s"),
nl_geterror (err));
goto error;
}
nl_cache_mngt_provide (priv->link_cache);
return TRUE;
error:
if (priv->link_cache) {
nl_cache_free (priv->link_cache);
priv->link_cache = NULL;
}
if (priv->nlh_sync) {
nl_socket_free (priv->nlh_sync);
priv->nlh_sync = NULL;
}
return FALSE;
}
/*
* Get the first AF_INET address on 'link'. Returns 0 if successful. Caller
* must release reference to *addr.
*/
static int get_link_inet_addr(struct nl_sock *sk, struct rtnl_link *link,
struct nl_addr **addr)
{
struct nl_cache *addr_cache;
int err;
err = rtnl_addr_alloc_cache(sk, &addr_cache);
if (err < 0) {
warnx("rtnl_addr_alloc_cache() failed: %s", nl_geterror(err));
return 1;
}
/* Retrieve the first AF_INET address on the requested interface. */
struct rtnl_addr *filter;
filter = rtnl_addr_alloc();
assert(filter);
rtnl_addr_set_ifindex(filter, rtnl_link_get_ifindex(link));
rtnl_addr_set_family(filter, AF_INET);
*addr = NULL;
nl_cache_foreach_filter(addr_cache, (struct nl_object *)filter,
match_first_addr, addr);
if (*addr == NULL) {
warnx("No AF_INET address found on veth");
rtnl_addr_put(filter);
nl_cache_free(addr_cache);
return 1;
}
rtnl_addr_put(filter);
nl_cache_free(addr_cache);
return 0;
}
NetLinkManager::NetLinkManager()
: _initialized(false), _sock(NULL), _refresh_cache(false)
{
ibrcommon::MutexLock l(_call_mutex);
_handle = nl_handle_alloc();
nl_connect(_handle, NETLINK_ROUTE);
_link_cache = rtnl_link_alloc_cache(_handle);
if (_link_cache == NULL)
{
nl_close(_handle);
nl_handle_destroy(_handle);
throw ibrcommon::vsocket_exception("netlink cache allocation failed");
}
_addr_cache = rtnl_addr_alloc_cache(_handle);
if (_addr_cache == NULL)
{
nl_close(_handle);
nl_handle_destroy(_handle);
nl_cache_free(_link_cache);
_link_cache = NULL;
throw ibrcommon::vsocket_exception("netlink cache allocation failed");
}
_initialized = true;
// create a new socket for the netlink interface
_sock = new ibrcommon::vsocket();
}
static void
nm_ip6_manager_init (NMIP6Manager *manager)
{
NMIP6ManagerPrivate *priv = NM_IP6_MANAGER_GET_PRIVATE (manager);
priv->devices = g_hash_table_new_full (g_direct_hash, g_direct_equal,
NULL,
(GDestroyNotify) nm_ip6_device_destroy);
priv->monitor = nm_netlink_monitor_get ();
nm_netlink_monitor_subscribe (priv->monitor, RTNLGRP_IPV6_IFADDR, NULL);
nm_netlink_monitor_subscribe (priv->monitor, RTNLGRP_IPV6_PREFIX, NULL);
nm_netlink_monitor_subscribe (priv->monitor, RTNLGRP_IPV6_ROUTE, NULL);
nm_netlink_monitor_subscribe (priv->monitor, RTNLGRP_ND_USEROPT, NULL);
nm_netlink_monitor_subscribe (priv->monitor, RTNLGRP_LINK, NULL);
priv->netlink_id = g_signal_connect (priv->monitor, "notification",
G_CALLBACK (netlink_notification), manager);
priv->nlh = nm_netlink_get_default_handle ();
rtnl_addr_alloc_cache (priv->nlh, &priv->addr_cache);
g_warn_if_fail (priv->addr_cache != NULL);
rtnl_route_alloc_cache (priv->nlh, NETLINK_ROUTE, NL_AUTO_PROVIDE, &priv->route_cache);
g_warn_if_fail (priv->route_cache != NULL);
}
const std::list<vaddress> NetLinkManager::getAddressList(const vinterface &interface, const vaddress::Family f)
{
ibrcommon::MutexLock l(_call_mutex);
if (_refresh_cache)
{
nl_cache_free(_addr_cache);
nl_cache_free(_link_cache);
_link_cache = rtnl_link_alloc_cache(_handle);
if (_link_cache == NULL)
{
throw ibrcommon::vsocket_exception("netlink cache allocation failed");
}
_addr_cache = rtnl_addr_alloc_cache(_handle);
if (_addr_cache == NULL)
{
nl_cache_free(_link_cache);
throw ibrcommon::vsocket_exception("netlink cache allocation failed");
}
// mark the cache as refreshed
_refresh_cache = false;
}
std::list<vaddress> addresses;
struct rtnl_addr *filter = rtnl_addr_alloc();
const std::string i = interface.toString();
rtnl_addr_set_ifindex(filter, rtnl_link_name2i(_link_cache, i.c_str()));
if (f == vaddress::VADDRESS_UNSPEC)
{
rtnl_addr_set_family(filter, AF_INET6);
nl_cache_foreach_filter(_addr_cache, (struct nl_object *) filter,
add_addr_to_list, &addresses);
rtnl_addr_set_family(filter, AF_INET);
nl_cache_foreach_filter(_addr_cache, (struct nl_object *) filter,
add_addr_to_list, &addresses);
}
else
{
rtnl_addr_set_family(filter, f);
nl_cache_foreach_filter(_addr_cache, (struct nl_object *) filter,
add_addr_to_list, &addresses);
}
rtnl_addr_put(filter);
return addresses;
}
struct nl_cache *nltool_alloc_addr_cache(struct nl_handle *nlh)
{
struct nl_cache *cache;
cache = rtnl_addr_alloc_cache(nlh);
if (!cache)
fprintf(stderr, "Unable to retrieve address cache: %s\n",
nl_geterror());
else
nl_cache_mngt_provide(cache);
return cache;
}
static bool nl_new(struct dionaea *d)
{
g_debug("%s", __PRETTY_FUNCTION__);
nl_runtime.sock = nl_socket_alloc();
struct nl_sock *sock = nl_runtime.sock;
nl_socket_disable_seq_check(sock);
nl_socket_modify_cb(sock, NL_CB_VALID, NL_CB_CUSTOM, nl_event_input, NULL);
nl_join_groups(sock, RTMGRP_LINK);
int err;
if ( (err = nl_connect(sock, NETLINK_ROUTE)) < 0)
{
g_error("Could not connect netlink (%s)", nl_geterror(err));
}
nl_socket_add_membership(sock, RTNLGRP_LINK);
nl_socket_add_membership(sock, RTNLGRP_NEIGH);
nl_socket_add_membership(sock, RTNLGRP_IPV4_IFADDR);
nl_socket_add_membership(sock, RTNLGRP_IPV6_IFADDR);
if( (err=rtnl_neigh_alloc_cache(sock, &nl_runtime.neigh_cache)) != 0 )
{
g_error("Could not allocate neigh cache! (%s)", nl_geterror(err));
}
#if LIBNL_RTNL_LINK_ALLOC_CACHE_ARGC == 3
if( (err=rtnl_link_alloc_cache(sock, AF_UNSPEC, &nl_runtime.link_cache)) != 0 )
#elif LIBNL_RTNL_LINK_ALLOC_CACHE_ARGC == 2
if( (err=rtnl_link_alloc_cache(sock, &nl_runtime.link_cache)) != 0 )
#endif
{
g_error("Could not allocate link cache! (%s)", nl_geterror(err));
}
if( (err=rtnl_addr_alloc_cache(sock, &nl_runtime.addr_cache)) != 0 )
{
g_error("Could not allocate addr cache! (%s)", nl_geterror(err));
}
nl_cache_mngt_provide(nl_runtime.neigh_cache);
nl_cache_mngt_provide(nl_runtime.link_cache);
nl_cache_mngt_provide(nl_runtime.addr_cache);
nl_runtime.ihandler = ihandler_new("dionaea.connection.*.accept", nl_ihandler_cb, NULL);
ev_io_init(&nl_runtime.io_in, nl_io_in_cb, nl_socket_get_fd(sock), EV_READ);
ev_io_start(g_dionaea->loop, &nl_runtime.io_in);
nl_runtime.link_addr_cache = g_hash_table_new(g_int_hash, g_int_equal);
nl_cache_foreach(nl_runtime.link_cache, nl_obj_input, NULL);
nl_cache_foreach(nl_runtime.addr_cache, nl_obj_input, NULL);
return true;
}
/**
* nm_netlink_find_address:
* @ifindex: interface index
* @family: address family, either AF_INET or AF_INET6
* @addr: binary address, either struct in_addr* or struct in6_addr*
* @prefix: prefix length
*
* Searches for a matching address on the given interface.
*
* Returns: %TRUE if the given address was found on the interface, %FALSE if it
* was not found or an error occurred.
**/
gboolean
nm_netlink_find_address (int ifindex,
int family,
void *addr, /* struct in_addr or struct in6_addr */
int prefix)
{
struct nl_sock *nlh = NULL;
struct nl_cache *cache = NULL;
FindAddrInfo info;
g_return_val_if_fail (ifindex > 0, FALSE);
g_return_val_if_fail (family == AF_INET || family == AF_INET6, FALSE);
g_return_val_if_fail (addr != NULL, FALSE);
g_return_val_if_fail (prefix >= 0, FALSE);
memset (&info, 0, sizeof (info));
info.ifindex = ifindex;
info.family = family;
info.prefix = prefix;
info.addr = addr;
if (family == AF_INET)
info.addrlen = sizeof (struct in_addr);
else if (family == AF_INET6)
info.addrlen = sizeof (struct in6_addr);
else
g_assert_not_reached ();
nlh = nm_netlink_get_default_handle ();
if (nlh) {
rtnl_addr_alloc_cache(nlh, &cache);
if (cache) {
nl_cache_mngt_provide (cache);
nl_cache_foreach (cache, find_one_address, &info);
nl_cache_free (cache);
}
}
return info.found;
}
TError TNlLink::WaitAddress(int timeout_s) {
struct nl_cache *cache;
int ret;
L() << "Wait for autoconf at " << GetDesc() << std::endl;
ret = rtnl_addr_alloc_cache(GetSock(), &cache);
if (ret < 0)
return Nl->Error(ret, "Cannot allocate addr cache");
do {
for (auto obj = nl_cache_get_first(cache); obj; obj = nl_cache_get_next(obj)) {
auto addr = (struct rtnl_addr *)obj;
if (!rtnl_addr_get_local(addr) ||
rtnl_addr_get_ifindex(addr) != GetIndex() ||
rtnl_addr_get_family(addr) != AF_INET6 ||
rtnl_addr_get_scope(addr) >= RT_SCOPE_LINK ||
(rtnl_addr_get_flags(addr) &
(IFA_F_TENTATIVE | IFA_F_DEPRECATED)))
continue;
L() << "Got " << TNlAddr(rtnl_addr_get_local(addr)).Format()
<< " at " << GetDesc() << std::endl;
nl_cache_free(cache);
return TError::Success();
}
usleep(1000000);
ret = nl_cache_refill(GetSock(), cache);
if (ret < 0)
return Nl->Error(ret, "Cannot refill address cache");
} while (--timeout_s > 0);
nl_cache_free(cache);
return TError(EError::Unknown, "Network autoconf timeout");
}
/**
* Query NETLINK for ethernet configuration
*
* @param ethinf Pointer to an available struct etherinfo element. The 'device' member
* must contain a valid string to the device to query for information
* @param nlc Pointer to the libnl handle, which is used for the query against NETLINK
* @param query What to query for. Must be NLQRY_LINK or NLQRY_ADDR.
*
* @return Returns 1 on success, otherwise 0.
*/
int get_etherinfo(struct etherinfo_obj_data *data, nlQuery query)
{
struct nl_cache *link_cache;
struct nl_cache *addr_cache;
struct rtnl_addr *addr;
struct rtnl_link *link;
struct etherinfo *ethinf = NULL;
int ret = 0;
if( !data || !data->ethinfo ) {
return 0;
}
ethinf = data->ethinfo;
/* Open a NETLINK connection on-the-fly */
if( !open_netlink(data) ) {
PyErr_Format(PyExc_RuntimeError,
"Could not open a NETLINK connection for %s",
ethinf->device);
return 0;
}
/* Find the interface index we're looking up.
* As we don't expect it to change, we're reusing a "cached"
* interface index if we have that
*/
if( ethinf->index < 0 ) {
link_cache = rtnl_link_alloc_cache(*data->nlc);
ethinf->index = rtnl_link_name2i(link_cache, ethinf->device);
if( ethinf->index < 0 ) {
return 0;
}
nl_cache_free(link_cache);
}
/* Query the for requested info vai NETLINK */
switch( query ) {
case NLQRY_LINK:
/* Extract MAC/hardware address of the interface */
link_cache = rtnl_link_alloc_cache(*data->nlc);
link = rtnl_link_alloc();
rtnl_link_set_ifindex(link, ethinf->index);
nl_cache_foreach_filter(link_cache, (struct nl_object *)link, callback_nl_link, ethinf);
rtnl_link_put(link);
nl_cache_free(link_cache);
ret = 1;
break;
case NLQRY_ADDR:
/* Extract IP address information */
addr_cache = rtnl_addr_alloc_cache(*data->nlc);
addr = rtnl_addr_alloc();
rtnl_addr_set_ifindex(addr, ethinf->index);
/* Make sure we don't have any old IPv6 addresses saved */
if( ethinf->ipv6_addresses ) {
free_ipv6addresses(ethinf->ipv6_addresses);
ethinf->ipv6_addresses = NULL;
}
/* Retrieve all address information */
nl_cache_foreach_filter(addr_cache, (struct nl_object *)addr, callback_nl_address, ethinf);
rtnl_addr_put(addr);
nl_cache_free(addr_cache);
ret = 1;
break;
default:
ret = 0;
}
return ret;
}
int main(int argc, char *argv[])
{
struct nl_sock *nl_sock;
struct nl_cache *link_cache;
int ifindex;
int ret = 0;
int err = 0;
if (argc < 2)
{
printf("%s ip gw on/off tip\n", argv[0]);
return -1;
}
//link
if (err = rtnl_route_read_table_names(ROUTE_TABLE)) {
printf("failed to read %s. err = %s\n", ROUTE_TABLE, nl_geterror(err));
return -1;;
}
nl_sock = nl_socket_alloc();
if (NULL == nl_sock) {
printf("failed to alloc netlink handler.\n");
return -1;
}
if (err = nl_connect(nl_sock, NETLINK_ROUTE)) {
printf("failed to connect NETLINK_ROUTE. err = %s\n", nl_geterror(err));
ret = -1;
goto release_nl;
}
if (err = rtnl_link_alloc_cache(nl_sock, AF_INET, &link_cache))
{
printf("failed to allocate link cache. err = %s\n", nl_geterror(err));
ret = -1;
goto release_nl;
}
ifindex = rtnl_link_name2i(link_cache, NAME);
if (0 == ifindex) {
printf("%s - failed to find.\n", NAME);
ret = -1;
goto release_link_cache;
}
struct rtnl_link * link = rtnl_link_get(link_cache, ifindex);
if (link == NULL)
{
printf("can't get link.\n");
ret = -1;
goto release_link_cache;
}
//rtnl_link_get_by_name
struct nl_addr *lladdr = rtnl_link_get_addr(link);
if (NULL == lladdr || AF_LLC != nl_addr_get_family(lladdr)) {
printf("failed to get MAC\n");
ret = -1;
goto release_link;
}
uint8_t mac_address[ETHER_ADDR_LEN];
memcpy(mac_address, nl_addr_get_binary_addr(lladdr), ETHER_ADDR_LEN);
printf("%02X:%02X:%02X:%02X:%02X:%02X\n",
mac_address[0],
mac_address[1],
mac_address[2],
mac_address[3],
mac_address[4],
mac_address[5]);
//addr
struct nl_cache * addr_cache;
if (err = rtnl_addr_alloc_cache(nl_sock, &addr_cache))
{
printf("fail to get addr_cache\n");
ret = -1;
goto release_link;
}
struct rtnl_addr *addr = rtnl_addr_alloc();
rtnl_addr_set_ifindex(addr, ifindex);
rtnl_addr_set_family(addr, AF_INET);
int prefixlen = 16;
nl_cache_foreach_filter(addr_cache, (struct nl_object *)addr, get_ip, &prefixlen);
nl_cache_free(addr_cache);
uint32_t ipaddr = inet_addr(argv[1]);
struct nl_addr * local = nl_addr_build(AF_INET, &ipaddr, sizeof(ipaddr));
rtnl_addr_set_local(addr, local);
rtnl_addr_set_ifindex(addr, ifindex);
rtnl_addr_set_family(addr, AF_INET);
rtnl_addr_set_prefixlen(addr, 32);
if (!strcmp(argv[2], "on"))
{
if (err = rtnl_addr_add(nl_sock, addr, 0))
{
printf("fail to add addr %s\n", nl_geterror(err));
ret = -1;
goto release_addr;
}
}
else
{
if (err = rtnl_addr_delete(nl_sock, addr, 0))
{
printf("fail to del addr %s\n", nl_geterror(err));
ret = -1;
goto release_addr;
}
}
//neigh
struct nl_cache * neigh_cache;
if (err = rtnl_neigh_alloc_cache(nl_sock, &neigh_cache))
{
printf("failed to allocate neighbor cache. err = %s\n", nl_geterror(err));
ret = -1;
goto release_neigh_cache;
}
uint32_t gw = inet_addr(argv[3]);
struct nl_addr * gw_addr = nl_addr_build(AF_INET, &gw, sizeof(gw));
struct rtnl_neigh * neigh = rtnl_neigh_get(neigh_cache, ifindex, gw_addr);
if (neigh) {
// It's optional
struct nl_addr * lladdr = rtnl_neigh_get_lladdr(neigh);
if (lladdr) {
uint8_t mac_address[ETHER_ADDR_LEN];
memcpy(mac_address, nl_addr_get_binary_addr(lladdr), ETHER_ADDR_LEN);
printf("gw %02X:%02X:%02X:%02X:%02X:%02X\n",
mac_address[0],
mac_address[1],
mac_address[2],
mac_address[3],
mac_address[4],
mac_address[5]);
}
}
nl_addr_put(gw_addr);
//route
struct nl_cache *route_cache;
if (err = rtnl_route_alloc_cache(nl_sock, AF_INET, 0, &route_cache))
{
printf("failed to allocate route cache. err = %s\n", nl_geterror(err));
ret = -1;
goto release_neigh_cache;
}
struct rtnl_route *route = rtnl_route_alloc();
struct nl_addr * taddr;
err = nl_addr_parse(argv[4], AF_INET, &taddr);
if (err)
{
printf("failed to get taddr. err = %s\n", nl_geterror(err));
ret = -1;
goto release_route_cache;
}
nl_cache_foreach_filter(route_cache, OBJ_CAST(route), get_route, NULL);
/*
struct nl_sock *nl_fib_sock;
nl_fib_sock = nl_socket_alloc();
if (err = nl_connect(nl_fib_sock, NETLINK_FIB_LOOKUP)) {
printf("failed to connect NETLINK_ROUTE. err = %s\n", nl_geterror(err));
ret = -1;
goto release_nl;
}
struct nl_dump_params params = {
.dp_fd = stdout,
.dp_type = NL_DUMP_DETAILS,
};
struct nl_cache *route_cache = flnl_result_alloc_cache();
struct flnl_request *req = flnl_request_alloc();
struct nl_addr * taddr;
err = nl_addr_parse(argv[4], AF_INET, &taddr);
if (err)
{
printf("failed to get taddr. err = %s\n", nl_geterror(err));
ret = -1;
goto release_route;
}
int table = RT_TABLE_UNSPEC, scope = RT_SCOPE_UNIVERSE;
flnl_request_set_addr(req, taddr);
flnl_request_set_table(req, table);
flnl_request_set_scope(req, scope);
err = flnl_lookup(nl_fib_sock, req, route_cache);
if (err)
{
printf("failed to fib lookup. err = %s\n", nl_geterror(err));
ret = -1;
goto release_route_addr;
}
nl_cache_dump(route_cache, ¶ms);
release_route_addr:
nl_addr_put(taddr);
release_route:
nl_cache_free(route_cache);
nl_object_put(OBJ_CAST(req));
nl_close(nl_fib_sock);
nl_socket_free(nl_fib_sock);
*/
release_route_cache:
nl_cache_free(route_cache);
release_neigh_cache:
nl_cache_free(neigh_cache);
release_addr:
nl_addr_put(local);
rtnl_addr_put(addr);
release_link:
rtnl_link_put(link);
release_link_cache:
nl_cache_free(link_cache);
release_nl:
nl_close(nl_sock);
nl_socket_free(nl_sock);
return ret;
}
static J4statusPluginContext *
_j4status_nl_init(J4statusCoreInterface *core)
{
gchar **interfaces = NULL;
guint64 addresses = ADDRESSES_ALL;
GKeyFile *key_file;
key_file = j4status_config_get_key_file("Netlink");
if ( key_file != NULL )
{
interfaces = g_key_file_get_string_list(key_file, "Netlink", "Interfaces", NULL, NULL);
j4status_config_key_file_get_enum(key_file, "Netlink", "Addresses", _j4status_nl_addresses, G_N_ELEMENTS(_j4status_nl_addresses), &addresses);
g_key_file_free(key_file);
}
if ( interfaces == NULL )
{
g_message("No interface to monitor, aborting");
return NULL;
}
gint err;
J4statusPluginContext *self;
self = g_new0(J4statusPluginContext, 1);
self->addresses = addresses;
self->sections = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, _j4status_nl_section_free);
self->source = g_water_nl_source_new_cache_mngr(NULL, NETLINK_ROUTE, NL_AUTO_PROVIDE, &err);
if ( self->source == NULL )
{
g_warning("Couldn't subscribe to events: %s", nl_geterror(err));
goto error;
}
self->sock = g_water_nl_source_get_sock(self->source);
self->cache_mngr = g_water_nl_source_get_cache_mngr(self->source);
err = rtnl_link_alloc_cache(self->sock, AF_UNSPEC, &self->link_cache);
if ( err < 0 )
{
g_warning("Couldn't allocate links cache: %s", nl_geterror(err));
goto error;
}
err = nl_cache_mngr_add_cache(self->cache_mngr, self->link_cache, _j4status_nl_cache_change, self);
if ( err < 0 )
{
g_warning("Couldn't manage links cache: %s", nl_geterror(err));
goto error;
}
err = rtnl_addr_alloc_cache(self->sock, &self->addr_cache);
if ( err < 0 )
{
g_warning("Couldn't allocate addresses cache: %s", nl_geterror(err));
goto error;
}
err = nl_cache_mngr_add_cache(self->cache_mngr, self->addr_cache, _j4status_nl_cache_change, self);
if ( err < 0 )
{
g_warning("Couldn't manage addresses cache: %s", nl_geterror(err));
goto error;
}
gchar **interface;
for ( interface = interfaces ; *interface != NULL ; ++interface )
{
J4statusNlSection *section;
section = _j4status_nl_section_new(self, core, *interface);
if ( section != NULL )
g_hash_table_insert(self->sections, GINT_TO_POINTER(section->ifindex), section);
else
g_free(*interface);
}
g_free(interfaces);
if ( g_hash_table_size(self->sections) < 1 )
goto error;
self->formats.up = j4status_format_string_parse(NULL, _j4status_nl_format_up_tokens, G_N_ELEMENTS(_j4status_nl_format_up_tokens), J4STATUS_NL_DEFAULT_UP_FORMAT, NULL);
self->formats.down = j4status_format_string_parse(NULL, NULL, 0, J4STATUS_NL_DEFAULT_DOWN_FORMAT, NULL);
return self;
error:
_j4status_nl_uninit(self);
return NULL;
}
