static gboolean
add_ip6_config (GString *str, NMIP6Config *ip6, gboolean split)
{
const struct in6_addr *addr;
char *buf = NULL;
int nnameservers, i_nameserver, n, i;
gboolean added = FALSE;
const char *iface;
nnameservers = nm_ip6_config_get_num_nameservers (ip6);
iface = g_object_get_data (G_OBJECT (ip6), IP_CONFIG_IFACE_TAG);
g_assert (iface);
if (split) {
if (nnameservers == 0)
return FALSE;
for (i_nameserver = 0; i_nameserver < nnameservers; i_nameserver++) {
addr = nm_ip6_config_get_nameserver (ip6, i_nameserver);
buf = ip6_addr_to_string (addr, iface);
/* searches are preferred over domains */
n = nm_ip6_config_get_num_searches (ip6);
for (i = 0; i < n; i++) {
g_string_append_printf (str, "server=/%s/%s\n",
nm_ip6_config_get_search (ip6, i),
buf);
added = TRUE;
}
if (n == 0) {
/* If not searches, use any domains */
n = nm_ip6_config_get_num_domains (ip6);
for (i = 0; i < n; i++) {
g_string_append_printf (str, "server=/%s/%s\n",
nm_ip6_config_get_domain (ip6, i),
buf);
added = TRUE;
}
}
g_free (buf);
}
}
/* If no searches or domains, just add the namservers */
if (!added) {
for (i = 0; i < nnameservers; i++) {
addr = nm_ip6_config_get_nameserver (ip6, i);
buf = ip6_addr_to_string (addr, iface);
if (buf) {
g_string_append_printf (str, "server=%s\n", buf);
g_free (buf);
}
}
}
return TRUE;
}
static gboolean
add_ip6_config (GString *str, NMIP6Config *ip6, gboolean split, const char *iface)
{
const struct in6_addr *addr;
char *buf;
int n, i;
gboolean added = FALSE;
if (split) {
/* FIXME: it appears that dnsmasq can only handle one nameserver
* per domain (at the manpage seems to indicate that) so only use
* the first nameserver here.
*/
addr = nm_ip6_config_get_nameserver (ip6, 0);
buf = ip6_addr_to_string (addr, iface);
if (!buf)
return FALSE;
/* searches are preferred over domains */
n = nm_ip6_config_get_num_searches (ip6);
for (i = 0; i < n; i++) {
g_string_append_printf (str, "server=/%s/%s\n",
nm_ip6_config_get_search (ip6, i),
buf);
added = TRUE;
}
if (n == 0) {
/* If not searches, use any domains */
n = nm_ip6_config_get_num_domains (ip6);
for (i = 0; i < n; i++) {
g_string_append_printf (str, "server=/%s/%s\n",
nm_ip6_config_get_domain (ip6, i),
buf);
added = TRUE;
}
}
g_free (buf);
}
/* If no searches or domains, just add the namservers */
if (!added) {
n = nm_ip6_config_get_num_nameservers (ip6);
for (i = 0; i < n; i++) {
addr = nm_ip6_config_get_nameserver (ip6, i);
buf = ip6_addr_to_string (addr, iface);
if (buf) {
g_string_append_printf (str, "server=%s\n", buf);
g_free (buf);
}
}
}
return TRUE;
}
void
nm_ip6_config_hash (NMIP6Config *config, GChecksum *sum, gboolean dns_only)
{
guint32 i;
const struct in6_addr *in6a;
const char *s;
g_return_if_fail (config != NULL);
g_return_if_fail (sum != NULL);
if (dns_only == FALSE) {
for (i = 0; i < nm_ip6_config_get_num_addresses (config); i++) {
NMIP6Address *a = nm_ip6_config_get_address (config, i);
hash_in6addr (sum, nm_ip6_address_get_address (a));
hash_u32 (sum, nm_ip6_address_get_prefix (a));
hash_in6addr (sum, nm_ip6_address_get_gateway (a));
}
for (i = 0; i < nm_ip6_config_get_num_routes (config); i++) {
NMIP6Route *r = nm_ip6_config_get_route (config, i);
hash_in6addr (sum, nm_ip6_route_get_dest (r));
hash_u32 (sum, nm_ip6_route_get_prefix (r));
hash_in6addr (sum, nm_ip6_route_get_next_hop (r));
hash_u32 (sum, nm_ip6_route_get_metric (r));
}
in6a = nm_ip6_config_get_ptp_address (config);
if (in6a)
hash_in6addr (sum, in6a);
}
for (i = 0; i < nm_ip6_config_get_num_nameservers (config); i++)
hash_in6addr (sum, nm_ip6_config_get_nameserver (config, i));
for (i = 0; i < nm_ip6_config_get_num_domains (config); i++) {
s = nm_ip6_config_get_domain (config, i);
g_checksum_update (sum, (const guint8 *) s, strlen (s));
}
for (i = 0; i < nm_ip6_config_get_num_searches (config); i++) {
s = nm_ip6_config_get_search (config, i);
g_checksum_update (sum, (const guint8 *) s, strlen (s));
}
}
static void
merge_one_ip6_config (NMResolvConfData *rc, NMIP6Config *src, const char *iface)
{
guint32 num, i;
num = nm_ip6_config_get_num_nameservers (src);
for (i = 0; i < num; i++) {
const struct in6_addr *addr;
char buf[INET6_ADDRSTRLEN];
addr = nm_ip6_config_get_nameserver (src, i);
/* inet_ntop is probably supposed to do this for us, but it doesn't */
if (IN6_IS_ADDR_V4MAPPED (addr)) {
if (inet_ntop (AF_INET, &(addr->s6_addr32[3]), buf, INET_ADDRSTRLEN) > 0)
add_string_item (rc->nameservers, buf);
} else {
if (inet_ntop (AF_INET6, addr, buf, INET6_ADDRSTRLEN) > 0) {
if (IN6_IS_ADDR_LINKLOCAL (addr) && strchr (buf, '%') == NULL) {
char *tmp;
tmp = g_strdup_printf ("%s%%%s", buf, iface);
add_string_item (rc->nameservers, tmp);
g_free (tmp);
} else
add_string_item (rc->nameservers, buf);
}
}
}
num = nm_ip6_config_get_num_domains (src);
for (i = 0; i < num; i++) {
const char *domain;
domain = nm_ip6_config_get_domain (src, i);
if (!rc->domain)
rc->domain = domain;
add_string_item (rc->searches, domain);
}
num = nm_ip6_config_get_num_searches (src);
for (i = 0; i < num; i++)
add_string_item (rc->searches, nm_ip6_config_get_search (src, i));
}
/* This is exactly identical to nm_utils_merge_ip4_config, with s/4/6/,
* except that we can't compare addresses with ==.
*/
void
nm_utils_merge_ip6_config (NMIP6Config *ip6_config, NMSettingIP6Config *setting)
{
int i, j;
if (!setting)
return; /* Defaults are just fine */
if (nm_setting_ip6_config_get_ignore_auto_dns (setting)) {
nm_ip6_config_reset_nameservers (ip6_config);
nm_ip6_config_reset_domains (ip6_config);
nm_ip6_config_reset_searches (ip6_config);
}
if (nm_setting_ip6_config_get_ignore_auto_routes (setting))
nm_ip6_config_reset_routes (ip6_config);
for (i = 0; i < nm_setting_ip6_config_get_num_dns (setting); i++) {
const struct in6_addr *ns;
gboolean found = FALSE;
/* Avoid dupes */
ns = nm_setting_ip6_config_get_dns (setting, i);
for (j = 0; j < nm_ip6_config_get_num_nameservers (ip6_config); j++) {
if (ip6_addresses_equal (nm_ip6_config_get_nameserver (ip6_config, j), ns)) {
found = TRUE;
break;
}
}
if (!found)
nm_ip6_config_add_nameserver (ip6_config, ns);
}
/* DNS search domains */
for (i = 0; i < nm_setting_ip6_config_get_num_dns_searches (setting); i++) {
const char *search = nm_setting_ip6_config_get_dns_search (setting, i);
gboolean found = FALSE;
/* Avoid dupes */
for (j = 0; j < nm_ip6_config_get_num_searches (ip6_config); j++) {
if (!strcmp (search, nm_ip6_config_get_search (ip6_config, j))) {
found = TRUE;
break;
}
}
if (!found)
nm_ip6_config_add_search (ip6_config, search);
}
/* IPv6 addresses */
for (i = 0; i < nm_setting_ip6_config_get_num_addresses (setting); i++) {
NMIP6Address *setting_addr = nm_setting_ip6_config_get_address (setting, i);
guint32 num;
num = nm_ip6_config_get_num_addresses (ip6_config);
for (j = 0; j < num; j++) {
NMIP6Address *cfg_addr = nm_ip6_config_get_address (ip6_config, j);
/* Dupe, override with user-specified address */
if (ip6_addresses_equal (nm_ip6_address_get_address (cfg_addr), nm_ip6_address_get_address (setting_addr))) {
nm_ip6_config_replace_address (ip6_config, j, setting_addr);
break;
}
}
if (j == num)
nm_ip6_config_add_address (ip6_config, setting_addr);
}
/* IPv6 routes */
for (i = 0; i < nm_setting_ip6_config_get_num_routes (setting); i++) {
NMIP6Route *setting_route = nm_setting_ip6_config_get_route (setting, i);
guint32 num;
num = nm_ip6_config_get_num_routes (ip6_config);
for (j = 0; j < num; j++) {
NMIP6Route *cfg_route = nm_ip6_config_get_route (ip6_config, j);
/* Dupe, override with user-specified route */
if ( ip6_addresses_equal (nm_ip6_route_get_dest (cfg_route), nm_ip6_route_get_dest (setting_route))
&& (nm_ip6_route_get_prefix (cfg_route) == nm_ip6_route_get_prefix (setting_route))
&& ip6_addresses_equal (nm_ip6_route_get_next_hop (cfg_route), nm_ip6_route_get_next_hop (setting_route))) {
nm_ip6_config_replace_route (ip6_config, j, setting_route);
break;
}
}
if (j == num)
nm_ip6_config_add_route (ip6_config, setting_route);
}
if (nm_setting_ip6_config_get_never_default (setting))
nm_ip6_config_set_never_default (ip6_config, TRUE);
}
static gboolean
add_ip6_config (NMDnsDnsmasq *self, GVariantBuilder *servers, NMIP6Config *ip6,
const char *iface, gboolean split)
{
const struct in6_addr *addr;
char *buf = NULL;
int nnameservers, i_nameserver, n, i;
gboolean added = FALSE;
g_return_val_if_fail (iface, FALSE);
nnameservers = nm_ip6_config_get_num_nameservers (ip6);
if (split) {
char **domains, **iter;
if (nnameservers == 0)
return FALSE;
for (i_nameserver = 0; i_nameserver < nnameservers; i_nameserver++) {
addr = nm_ip6_config_get_nameserver (ip6, i_nameserver);
buf = ip6_addr_to_string (addr, iface);
/* searches are preferred over domains */
n = nm_ip6_config_get_num_searches (ip6);
for (i = 0; i < n; i++) {
add_dnsmasq_nameserver (self,
servers,
buf,
nm_ip6_config_get_search (ip6, i));
added = TRUE;
}
if (n == 0) {
/* If not searches, use any domains */
n = nm_ip6_config_get_num_domains (ip6);
for (i = 0; i < n; i++) {
add_dnsmasq_nameserver (self,
servers,
buf,
nm_ip6_config_get_domain (ip6, i));
added = TRUE;
}
}
/* Ensure reverse-DNS works by directing queries for ip6.arpa
* domains to the split domain's nameserver.
*/
domains = get_ip6_rdns_domains (ip6);
if (domains) {
for (iter = domains; iter && *iter; iter++)
add_dnsmasq_nameserver (self, servers, buf, *iter);
g_strfreev (domains);
}
g_free (buf);
}
}
/* If no searches or domains, just add the nameservers */
if (!added) {
for (i = 0; i < nnameservers; i++) {
addr = nm_ip6_config_get_nameserver (ip6, i);
buf = ip6_addr_to_string (addr, iface);
if (buf) {
add_dnsmasq_nameserver (self, servers, buf, NULL);
g_free (buf);
}
}
}
return TRUE;
}