static void
_j4status_nl_cache_change(struct nl_cache *cache, struct nl_object *object, int something, void *user_data)
{
J4statusPluginContext *self = user_data;
J4statusNlSection *section;
if ( cache == self->link_cache )
{
struct rtnl_link *link = nl_object_priv(object);
section = g_hash_table_lookup(self->sections, GINT_TO_POINTER(rtnl_link_get_ifindex(link)));
if ( section == NULL )
return;
g_debug("Link cache update: %p = %s", object, rtnl_link_get_ifalias(link));
if ( section->link != link )
{
nl_object_get(object);
rtnl_link_put(section->link);
section->link = link;
}
}
else if ( cache == self->addr_cache )
{
struct rtnl_addr *addr = nl_object_priv(object);
section = g_hash_table_lookup(self->sections, GINT_TO_POINTER(rtnl_addr_get_ifindex(addr)));
if ( section == NULL )
return;
g_debug("Addr cache update: %p = %d", object, rtnl_addr_get_ifindex(addr));
GList **list;
switch ( rtnl_addr_get_family(addr) )
{
case AF_INET:
list = §ion->ipv4_addresses;
break;
case AF_INET6:
list = §ion->ipv6_addresses;
break;
default:
/* Not supported */
return;
}
if ( g_list_find_custom(*list, addr,_j4status_nl_address_compare) != NULL )
/* Already got it */
return;
nl_object_get(object);
*list = g_list_prepend(*list, addr);
}
else
g_assert_not_reached();
_j4status_nl_section_update(section);
}
static void
find_one_address (struct nl_object *object, void *user_data)
{
FindAddrInfo *info = user_data;
struct rtnl_addr *addr = (struct rtnl_addr *) object;
struct nl_addr *local;
void *binaddr;
if (info->found)
return;
if (rtnl_addr_get_ifindex (addr) != info->ifindex)
return;
if (rtnl_addr_get_family (addr) != info->family)
return;
if (rtnl_addr_get_prefixlen (addr) != info->prefix)
return;
local = rtnl_addr_get_local (addr);
if (nl_addr_get_family (local) != info->family)
return;
if (nl_addr_get_len (local) != info->addrlen)
return;
binaddr = nl_addr_get_binary_addr (local);
if (binaddr) {
if (memcmp (binaddr, info->addr, info->addrlen) == 0)
info->found = TRUE; /* Yay, found it */
}
}
static NMIP6Device *
process_address_change (NMIP6Manager *manager, struct nl_msg *msg)
{
NMIP6ManagerPrivate *priv = NM_IP6_MANAGER_GET_PRIVATE (manager);
NMIP6Device *device;
struct nlmsghdr *hdr;
struct rtnl_addr *rtnladdr;
int old_size;
hdr = nlmsg_hdr (msg);
rtnladdr = NULL;
nl_msg_parse (msg, ref_object, &rtnladdr);
if (!rtnladdr) {
nm_log_dbg (LOGD_IP6, "error processing netlink new/del address message");
return NULL;
}
device = nm_ip6_manager_get_device (manager, rtnl_addr_get_ifindex (rtnladdr));
old_size = nl_cache_nitems (priv->addr_cache);
nl_cache_include (priv->addr_cache, (struct nl_object *)rtnladdr, NULL, NULL);
/* The kernel will re-notify us of automatically-added addresses
* every time it gets another router advertisement. We only want
* to notify higher levels if we actually changed something.
*/
nm_log_dbg (LOGD_IP6, "(%s): address cache size: %d -> %d:",
device_get_iface (device), old_size, nl_cache_nitems (priv->addr_cache));
dump_address_change (device, hdr, rtnladdr);
rtnl_addr_put (rtnladdr);
if (nl_cache_nitems (priv->addr_cache) == old_size)
return NULL;
return device;
}
static void
wait_for_no_addresses (NMIP6Manager *self, NMIP6Device *device)
{
NMIP6ManagerPrivate *priv = NM_IP6_MANAGER_GET_PRIVATE (self);
guint64 now, end;
gboolean has_addrs = TRUE;
now = end = g_get_real_time ();
end += (G_USEC_PER_SEC * 3);
while (has_addrs && now < end) {
struct rtnl_addr *rtnladdr;
struct nl_addr *nladdr;
nl_cache_refill (priv->nlh, priv->addr_cache);
for (has_addrs = FALSE, rtnladdr = FIRST_ADDR (priv->addr_cache);
rtnladdr;
rtnladdr = NEXT_ADDR (rtnladdr)) {
nladdr = rtnl_addr_get_local (rtnladdr);
if ( rtnl_addr_get_ifindex (rtnladdr) == device->ifindex
&& nladdr
&& nl_addr_get_family (nladdr) == AF_INET6) {
/* Still IPv6 addresses on the interface */
has_addrs = TRUE;
nm_log_dbg (LOGD_IP6, "(%s) waiting for cleared IPv6 addresses", device->iface);
g_usleep (100);
now = g_get_real_time ();
break;
}
}
}
}
void add_addr_to_list(struct nl_object *obj, void *data)
{
char buf[INET6_ADDRSTRLEN+5];
std::list<vaddress> *list = static_cast<std::list<vaddress>*>(data);
struct nl_addr *naddr = rtnl_addr_get_local((struct rtnl_addr *) obj);
int ifindex = 0;
int scope = rtnl_addr_get_scope((struct rtnl_addr *) obj);
if (scope == rtnl_str2scope("link"))
ifindex = rtnl_addr_get_ifindex((struct rtnl_addr *) obj);
if (naddr)
{
int family = nl_addr_get_family(naddr);
nl_addr2str( naddr, buf, sizeof( buf ) );
vaddress vaddr(vaddress::Family(family), vaddress::strip_netmask(std::string(buf)), ifindex, false);
list->push_back( vaddr );
}
struct nl_addr *baddr = rtnl_addr_get_broadcast((struct rtnl_addr *) obj);
if (baddr)
{
int family = nl_addr_get_family(baddr);
nl_addr2str( baddr, buf, sizeof( buf ) );
vaddress vaddr(vaddress::Family(family), vaddress::strip_netmask(std::string(buf)), ifindex, true);
list->push_back( vaddr );
}
}
static void
check_addresses (NMIP6Device *device)
{
NMIP6Manager *manager = device->manager;
NMIP6ManagerPrivate *priv = NM_IP6_MANAGER_GET_PRIVATE (manager);
struct rtnl_addr *rtnladdr;
struct nl_addr *nladdr;
struct in6_addr *addr;
/* Reset address information */
device->has_linklocal = FALSE;
device->has_nonlinklocal = FALSE;
/* Look for any IPv6 addresses the kernel may have set for the device */
for (rtnladdr = (struct rtnl_addr *) nl_cache_get_first (priv->addr_cache);
rtnladdr;
rtnladdr = (struct rtnl_addr *) nl_cache_get_next ((struct nl_object *) rtnladdr)) {
char buf[INET6_ADDRSTRLEN];
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);
if (inet_ntop (AF_INET6, addr, buf, INET6_ADDRSTRLEN) > 0) {
nm_log_dbg (LOGD_IP6, "(%s): netlink address: %s/%d",
device->iface, buf,
rtnl_addr_get_prefixlen (rtnladdr));
}
if (IN6_IS_ADDR_LINKLOCAL (addr)) {
if (device->state == NM_IP6_DEVICE_UNCONFIGURED)
device_set_state (device, NM_IP6_DEVICE_GOT_LINK_LOCAL);
device->has_linklocal = TRUE;
} else {
if (device->state == NM_IP6_DEVICE_GOT_ROUTER_ADVERTISEMENT)
device_set_state (device, NM_IP6_DEVICE_GOT_ADDRESS);
device->has_nonlinklocal = TRUE;
}
}
/* There might be a LL address hanging around on the interface from
* before in the initial run, but if it goes away later, make sure we
* regress from GOT_LINK_LOCAL back to UNCONFIGURED.
*/
if ((device->state == NM_IP6_DEVICE_GOT_LINK_LOCAL) && !device->has_linklocal)
device_set_state (device, NM_IP6_DEVICE_UNCONFIGURED);
nm_log_dbg (LOGD_IP6, "(%s): addresses checked (state %s)",
device->iface, state_to_string (device->state));
}
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");
}
static void
nm_ip6_device_sync_from_netlink (NMIP6Device *device, gboolean config_changed)
{
NMIP6Manager *manager = device->manager;
NMIP6ManagerPrivate *priv = NM_IP6_MANAGER_GET_PRIVATE (manager);
struct rtnl_addr *rtnladdr;
struct nl_addr *nladdr;
struct in6_addr *addr;
CallbackInfo *info;
guint dhcp_opts = IP6_DHCP_OPT_NONE;
gboolean found_linklocal = FALSE, found_other = FALSE;
nm_log_dbg (LOGD_IP6, "(%s): syncing with netlink (ra_flags 0x%X) (state/target '%s'/'%s')",
device->iface, device->ra_flags,
state_to_string (device->state),
state_to_string (device->target_state));
/* Look for any IPv6 addresses the kernel may have set for the device */
for (rtnladdr = (struct rtnl_addr *) nl_cache_get_first (priv->addr_cache);
rtnladdr;
rtnladdr = (struct rtnl_addr *) nl_cache_get_next ((struct nl_object *) rtnladdr)) {
char buf[INET6_ADDRSTRLEN];
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);
if (inet_ntop (AF_INET6, addr, buf, INET6_ADDRSTRLEN) > 0) {
nm_log_dbg (LOGD_IP6, "(%s): netlink address: %s",
device->iface, buf);
}
if (IN6_IS_ADDR_LINKLOCAL (addr)) {
if (device->state == NM_IP6_DEVICE_UNCONFIGURED)
device->state = NM_IP6_DEVICE_GOT_LINK_LOCAL;
found_linklocal = TRUE;
} else {
if (device->state < NM_IP6_DEVICE_GOT_ADDRESS)
device->state = NM_IP6_DEVICE_GOT_ADDRESS;
found_other = TRUE;
}
}
/* There might be a LL address hanging around on the interface from
* before in the initial run, but if it goes away later, make sure we
* regress from GOT_LINK_LOCAL back to UNCONFIGURED.
*/
if ((device->state == NM_IP6_DEVICE_GOT_LINK_LOCAL) && !found_linklocal)
device->state = NM_IP6_DEVICE_UNCONFIGURED;
nm_log_dbg (LOGD_IP6, "(%s): addresses synced (state %s)",
device->iface, state_to_string (device->state));
/* We only care about router advertisements if we want a real IPv6 address */
if ( (device->target_state == NM_IP6_DEVICE_GOT_ADDRESS)
&& (device->ra_flags & IF_RA_RCVD)) {
if (device->state < NM_IP6_DEVICE_GOT_ROUTER_ADVERTISEMENT)
device->state = NM_IP6_DEVICE_GOT_ROUTER_ADVERTISEMENT;
if (device->ra_flags & IF_RA_MANAGED) {
dhcp_opts = IP6_DHCP_OPT_MANAGED;
nm_log_dbg (LOGD_IP6, "router advertisement deferred to DHCPv6");
} else if (device->ra_flags & IF_RA_OTHERCONF) {
dhcp_opts = IP6_DHCP_OPT_OTHERCONF;
nm_log_dbg (LOGD_IP6, "router advertisement requests parallel DHCPv6");
}
}
if (!device->addrconf_complete) {
/* Managed mode (ie DHCP only) short-circuits automatic addrconf, so
* we don't bother waiting for the device's target state to be reached
* when the RA requests managed mode.
*/
if ( (device->state >= device->target_state)
|| (dhcp_opts == IP6_DHCP_OPT_MANAGED)) {
/* device->finish_addrconf_id may currently be a timeout
* rather than an idle, so we remove the existing source.
*/
if (device->finish_addrconf_id)
g_source_remove (device->finish_addrconf_id);
nm_log_dbg (LOGD_IP6, "(%s): reached target state or Managed-mode requested (state '%s') (dhcp opts 0x%X)",
device->iface, state_to_string (device->state),
dhcp_opts);
info = callback_info_new (device, dhcp_opts, TRUE);
device->finish_addrconf_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
finish_addrconf,
info,
(GDestroyNotify) g_free);
}
} else if (config_changed) {
if (!device->config_changed_id) {
gboolean success = TRUE;
/* If for some reason an RA-provided address disappeared, we need
* to make sure we fail the connection as it's no longer valid.
*/
if ( (device->state == NM_IP6_DEVICE_GOT_ADDRESS)
&& (device->target_state == NM_IP6_DEVICE_GOT_ADDRESS)
&& !found_other) {
nm_log_dbg (LOGD_IP6, "(%s): RA-provided address no longer valid",
device->iface);
success = FALSE;
}
info = callback_info_new (device, dhcp_opts, success);
device->config_changed_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
emit_config_changed,
info,
(GDestroyNotify) g_free);
}
}
}
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 nl_ihandler_cb(struct incident *i, void *ctx)
{
g_debug("%s i %p ctx %p", __PRETTY_FUNCTION__, i, ctx);
struct connection *con;
incident_value_con_get(i, "con", &con);
char *remote = con->remote.ip_string;
char *local = con->local.ip_string;
char *prefix = "::ffff:";
if( strncmp(local, prefix, strlen(prefix)) == 0)
local += strlen(prefix);
if( strncmp(remote, prefix, strlen(prefix)) == 0)
remote += strlen(prefix);
int ifindex;
int err;
{
g_debug("local addr %s remote addr %s", local, remote);
struct rtnl_addr *addr = rtnl_addr_alloc();
struct nl_addr *a;
if ( ( err = nl_addr_parse(local, AF_UNSPEC, &a)) != 0 )
g_critical("could not parse addr %s (%s)", local, nl_geterror(err));
rtnl_addr_set_local(addr, a);
nl_addr_put(a);
struct rtnl_addr *res = NULL;
nl_cache_foreach_filter(nl_runtime.addr_cache, OBJ_CAST(addr), cache_lookup_cb, &res);
g_critical("LOCAL RTNL_ADDR %p", res);
/* struct nl_dump_params params = {
.dp_type = NL_DUMP_LINE,
.dp_fd = stdout,
};
nl_cache_dump_filter(nl_runtime.addr_cache, ¶ms, OBJ_CAST(addr));
*/
ifindex = rtnl_addr_get_ifindex(res);
}
struct rtnl_neigh *res = NULL;
{
struct rtnl_neigh *neigh = rtnl_neigh_alloc();
rtnl_neigh_set_ifindex(neigh, ifindex);
struct nl_addr *a;
if ( ( err = nl_addr_parse(remote, AF_UNSPEC, &a)) != 0 )
g_critical("could not parse addr %s (%s)", remote, nl_geterror(err));
rtnl_neigh_set_dst(neigh, a);
nl_addr_put(a);
nl_cache_foreach_filter(nl_runtime.neigh_cache, OBJ_CAST(neigh), cache_lookup_cb, &res);
}
if( res )
{
g_critical("GOT NEIGH %p", res);
struct nl_addr *lladdr = rtnl_neigh_get_lladdr(res);
char buf[123];
nl_addr2str(lladdr, buf, sizeof(buf));
g_critical("GOT NEIGH %s", buf);
struct incident *i = incident_new("dionaea.module.nl.connection.info.mac");
incident_value_string_set(i, "mac", g_string_new(buf));
incident_value_con_set(i, "con", con);
incident_report(i);
incident_free(i);
}
}
static void nl_obj_input(struct nl_object *obj, void *arg)
{
struct _obj
{
NLHDR_COMMON
};
struct _obj *o = (struct _obj *)obj;
if( o->ce_msgtype == RTM_NEWLINK || o->ce_msgtype == RTM_DELLINK )
{
struct rtnl_link *link = (struct rtnl_link *)obj;
struct nl_addr *a = rtnl_link_get_addr(link);
char buf[123];
nl_addr2str(a, buf, sizeof(buf));
int ifindex = rtnl_link_get_ifindex(link);
bool active = rtnl_link_get_flags(link) & IFF_UP;
char *iface = rtnl_link_get_name(link);
if( o->ce_msgtype == RTM_NEWLINK )
{
struct link_addr *nla = g_hash_table_lookup(nl_runtime.link_addr_cache, &ifindex);
if( nla == NULL )
{
g_critical("LINK NEW %s %i", iface, ifindex);
struct link_addr *nla = link_addr_new(iface, ifindex, active);
g_hash_table_insert(nl_runtime.link_addr_cache, &nla->ifindex, nla);
}else
{
g_critical("LINK CHANGE %s %i", iface, ifindex);
GHashTableIter iter;
gpointer key, value;
g_hash_table_iter_init(&iter, nla->addrs);
if( active != nla->active )
{
while( g_hash_table_iter_next(&iter, &key, &value) )
{
struct incident *i;
if( active )
{
g_critical("LINK UP");
i = incident_new("dionaea.module.nl.addr.new");
}else
{
g_critical("LINK DOWN");
i = incident_new("dionaea.module.nl.addr.del");
}
incident_value_string_set(i, "addr", g_string_new(key));
incident_value_string_set(i, "iface", g_string_new(nla->iface));
incident_value_int_set(i, "scope", nla->ifindex);
incident_report(i);
incident_free(i);
}
nla->active = active;
}
}
}else
if( o->ce_msgtype == RTM_DELLINK )
{
g_critical("LINK DEL %s %i", iface, ifindex);
struct link_addr *nla = g_hash_table_lookup(nl_runtime.link_addr_cache, &ifindex);
g_hash_table_remove(nl_runtime.link_addr_cache, &ifindex);
link_addr_free(nla);
}
}else
if( o->ce_msgtype == RTM_NEWADDR || o->ce_msgtype == RTM_DELADDR )
{
char buf[128];
struct rtnl_addr *addr = (struct rtnl_addr *)obj;
struct nl_addr *a = rtnl_addr_get_local(addr);
int ifindex = rtnl_addr_get_ifindex(addr);
nl_addr2str(a, buf, 128);
char *slash;
if( (slash = strstr(buf, "/")) != NULL)
*slash = '\0';
char *saddr = NULL;
struct link_addr *nla = g_hash_table_lookup(nl_runtime.link_addr_cache, &ifindex);
if( !nla )
return;
if( o->ce_msgtype == RTM_NEWADDR )
{
if( g_hash_table_lookup(nla->addrs, buf) == NULL )
{
g_warning("NEW ADDR %s!", buf);
saddr = g_strdup(buf);
g_hash_table_insert(nla->addrs, saddr, saddr);
if( nla->active )
{
struct incident *i = incident_new("dionaea.module.nl.addr.new");
incident_value_string_set(i, "addr", g_string_new(saddr));
incident_value_string_set(i, "iface", g_string_new(nla->iface));
incident_value_int_set(i, "scope", nla->ifindex);
incident_report(i);
incident_free(i);
}
}
}else
if( o->ce_msgtype == RTM_DELADDR )
{
if( ( saddr = g_hash_table_lookup(nla->addrs, buf) ) != NULL )
{
g_warning("DEL ADDR! %s", buf);
if( nla->active )
{
struct incident *i = incident_new("dionaea.module.nl.addr.del");
incident_value_string_set(i, "addr", g_string_new(saddr));
incident_value_string_set(i, "iface", g_string_new(nla->iface));
incident_value_int_set(i, "scope", nla->ifindex);
incident_report(i);
incident_free(i);
}
g_hash_table_remove(nla->addrs, buf);
g_free(saddr);
}
}
}
/*
struct nl_dump_params dp = {
.dp_type = NL_DUMP_STATS,
.dp_fd = stdout,
.dp_dump_msgtype = 1,
};
nl_object_dump(obj, &dp);
struct nl_dump_params params = {
.dp_type = NL_DUMP_LINE,
.dp_fd = stdout,
.dp_prefix = 1,
};
g_debug("addr cache");
nl_cache_dump(nl_runtime.addr_cache, ¶ms);
g_debug("arp cache");
nl_cache_dump(nl_runtime.neigh_cache, ¶ms);
g_debug("link cache");
nl_cache_dump(nl_runtime.link_cache, ¶ms);
*/
}
static void env_dump(struct nl_object *obj, void *arg)
{
struct nl_dump_params *p = arg;
struct rtnl_addr *addr = (struct rtnl_addr *) obj;
struct nl_cache *link_cache;
struct nl_addr *a;
static int index = 0;
char buf[128], pfx[32], *s;
snprintf(pfx, sizeof(pfx), "ADDR%d", index++);
nl_dump_line(p, "%s_FAMILY=%s\n", pfx,
nl_af2str(rtnl_addr_get_family(addr), buf, sizeof(buf)));
nl_dump_line(p, "%s_LOCAL=%s\n", pfx,
nl_addr2str(rtnl_addr_get_local(addr), buf, sizeof(buf)));
nl_dump_line(p, "%s_IFINDEX=%u\n", pfx, rtnl_addr_get_ifindex(addr));
link_cache = nl_cache_mngt_require_safe("route/link");
if (link_cache)
nl_dump_line(p, "%s_IFNAME=%s\n", pfx,
rtnl_link_i2name(link_cache,
rtnl_addr_get_ifindex(addr),
buf, sizeof(buf)));
if ((a = rtnl_addr_get_peer(addr)))
nl_dump_line(p, "%s_PEER=%s\n", pfx,
nl_addr2str(a, buf, sizeof(buf)));
if ((a = rtnl_addr_get_broadcast(addr)))
nl_dump_line(p, "%s_BROADCAST=%s\n", pfx,
nl_addr2str(a, buf, sizeof(buf)));
nl_dump_line(p, "%s_SCOPE=%s\n", pfx,
rtnl_scope2str(rtnl_addr_get_scope(addr),
buf, sizeof(buf)));
if ((s = rtnl_addr_get_label(addr)))
nl_dump_line(p, "%s_LABEL=%s\n", pfx, s);
rtnl_addr_flags2str(rtnl_addr_get_flags(addr), buf, sizeof(buf));
if (buf[0])
nl_dump_line(p, "%s_FLAGS=%s\n", pfx, buf);
nl_dump_line(p, "%s_CACHEINFO_VALID=%u\n", pfx,
rtnl_addr_get_valid_lifetime(addr));
if (link_cache)
nl_cache_put(link_cache);
#if 0
if (addr->ce_mask & ADDR_ATTR_CACHEINFO) {
struct rtnl_addr_cacheinfo *ci = &addr->a_cacheinfo;
nl_dump_line(p, "ADDR_CACHEINFO_PREFERRED=%u\n",
ci->aci_prefered);
nl_dump_line(p, "ADDR_CACHEINFO_CREATED=%u\n", ci->aci_cstamp);
nl_dump_line(p, "ADDR_CACHEINFO_LASTUPDATE=%u\n",
ci->aci_tstamp);
}
#endif
}