#include <limits.h>
#include <arpa/inet.h>
+#include <netinet/in.h>
#include "netifd.h"
#include "device.h"
ROUTE_VALID,
ROUTE_TABLE,
ROUTE_SOURCE,
+ ROUTE_ONLINK,
+ ROUTE_TYPE,
__ROUTE_MAX
};
[ROUTE_TABLE] = { .name = "table", .type = BLOBMSG_TYPE_STRING },
[ROUTE_VALID] = { .name = "valid", .type = BLOBMSG_TYPE_INT32 },
[ROUTE_SOURCE] = { .name = "source", .type = BLOBMSG_TYPE_STRING },
+ [ROUTE_ONLINK] = { .name = "onlink", .type = BLOBMSG_TYPE_BOOL },
+ [ROUTE_TYPE] = { .name = "type", .type = BLOBMSG_TYPE_STRING }
};
const struct uci_blob_param_list route_attr_list = {
uint8_t m_clear = (1 << (m_bytes * 8 - mask)) - 1;
uint8_t *p = (uint8_t *) a;
- if (m_bytes < sizeof(a))
- memset(p + m_bytes, 0, sizeof(a) - m_bytes);
+ if (m_bytes < sizeof(*a))
+ memset(p + m_bytes, 0, sizeof(*a) - m_bytes);
p[m_bytes - 1] &= ~m_clear;
}
if ((cur = tb[ROUTE_METRIC]) != NULL) {
route->metric = blobmsg_get_u32(cur);
route->flags |= DEVROUTE_METRIC;
- }
+ } else
+ route->metric = iface->metric;
if ((cur = tb[ROUTE_MTU]) != NULL) {
route->mtu = blobmsg_get_u32(cur);
const char *addr = strtok_r(source, "/", &saveptr);
const char *mask = strtok_r(NULL, "/", &saveptr);
- if (inet_pton(af, addr, &route->source) < 1) {
+ if (!addr || inet_pton(af, addr, &route->source) < 1) {
DPRINTF("Failed to parse route source: %s\n", addr);
goto error;
}
- route->sourcemask = atoi(mask);
+ route->sourcemask = (mask) ? atoi(mask) : ((af == AF_INET6) ? 128 : 32);
}
+ if ((cur = tb[ROUTE_ONLINK]) != NULL && blobmsg_get_bool(cur))
+ route->flags |= DEVROUTE_ONLINK;
+
if (is_proto_route) {
route->table = (v6) ? iface->ip6table : iface->ip4table;
route->flags |= DEVROUTE_SRCTABLE;
goto error;
}
+ /* only set the table flag if not using the main (default) table */
+ if (system_is_default_rt_table(route->table))
+ route->table = 0;
+
if (route->table)
route->flags |= DEVROUTE_TABLE;
}
route->valid_until = valid_until;
}
+ if ((cur = tb[ROUTE_TYPE]) != NULL) {
+ if (!system_resolve_rt_type(blobmsg_data(cur), &route->type)) {
+ DPRINTF("Failed to resolve routing type: %s\n", (char *) blobmsg_data(cur));
+ goto error;
+ }
+ route->flags |= DEVROUTE_TYPE;
+ }
+
vlist_add(&ip->route, &route->node, route);
return;
if (r1->sourcemask != r2->sourcemask)
return r1->sourcemask - r2->sourcemask;
+ if (r1->table != r2->table)
+ return r1->table - r2->table;
+
int maskcmp = memcmp(&r1->source, &r2->source, sizeof(r1->source));
if (maskcmp)
return maskcmp;
if (a_new && a_old) {
keep = true;
- if (a_old->flags != a_new->flags)
+ if (a_old->flags != a_new->flags || a_old->failed)
keep = false;
if (a_old->valid_until != a_new->valid_until ||
if (node_new) {
a_new->enabled = true;
if (!(a_new->flags & DEVADDR_EXTERNAL) && (!keep || replace)) {
- system_add_address(dev, a_new);
+ if (system_add_address(dev, a_new))
+ a_new->failed = true;
if (!keep) {
if ((a_new->flags & DEVADDR_FAMILY) == DEVADDR_INET6)
if (node_old && node_new)
keep = !memcmp(&route_old->nexthop, &route_new->nexthop, sizeof(route_old->nexthop)) &&
- (route_old->table == route_new->table);
+ (route_old->mtu == route_new->mtu) && (route_old->type == route_new->type) &&
+ !route_old->failed;
if (node_old) {
if (!(route_old->flags & DEVADDR_EXTERNAL) && route_old->enabled && !keep)
if (node_new) {
bool _enabled = enable_route(ip, route_new);
- if (!(route_new->flags & DEVROUTE_METRIC))
- route_new->metric = iface->metric;
-
if (!(route_new->flags & DEVADDR_EXTERNAL) && !keep && _enabled)
- system_add_route(dev, route_new);
+ if (system_add_route(dev, route_new))
+ route_new->failed = true;
route_new->iface = iface;
route_new->enabled = _enabled;
free(route_old);
}
- if (node_new)
- system_add_route(dev, route_new);
+ if (node_new) {
+ if (system_add_route(dev, route_new))
+ route_new->failed = true;
+ }
}
addr.preferred_until = prefix->preferred_until;
addr.valid_until = prefix->valid_until;
+ if (addr.mask < 64) {
+ addr.mask = 64;
+ system_del_address(l3_downlink, &addr);
+ addr.mask = assignment->length;
+ }
+
if (!add && assignment->enabled) {
time_t now = system_get_rtime();
addr.preferred_until = now;
if (!addr.valid_until || addr.valid_until - now > 7200)
addr.valid_until = now + 7200;
- system_add_address(l3_downlink, &addr);
+
+ system_del_address(l3_downlink, &addr); // Work around dangling prefix routes
+
if (prefix->iface) {
if (prefix->iface->ip6table)
set_ip_source_policy(false, true, IPRULE_PRIORITY_NW, &addr.addr,
addr.mask, 0, iface, "unreachable");
}
- assignment->enabled = false;
- } else if (add && (iface->state == IFS_UP || iface->state == IFS_SETUP)) {
+ if (addr.mask < 64)
+ addr.mask = 64;
+
+ interface_handle_subnet_route(iface, &addr, false);
system_add_address(l3_downlink, &addr);
+
+ assignment->enabled = false;
+ } else if (add && (iface->state == IFS_UP || iface->state == IFS_SETUP) &&
+ !system_add_address(l3_downlink, &addr)) {
+ interface_handle_subnet_route(iface, &addr, false);
+
if (prefix->iface && !assignment->enabled) {
set_ip_source_policy(true, true, IPRULE_PRIORITY_REJECT, &addr.addr,
addr.mask, 0, iface, "unreachable");
set_ip_source_policy(true, true, IPRULE_PRIORITY_NW, &addr.addr,
addr.mask, prefix->iface->ip6table, iface, NULL);
}
+
+ if (addr.mask < 64)
+ addr.mask = 64;
+
+ interface_handle_subnet_route(iface, &addr, true);
+
if (uplink && uplink->l3_dev.dev) {
int mtu = system_update_ipv6_mtu(
uplink->l3_dev.dev, 0);
if (mtu > 0)
system_update_ipv6_mtu(l3_downlink, mtu);
}
+
assignment->enabled = true;
}
}
}
static void
-write_resolv_conf_entries(FILE *f, struct interface_ip_settings *ip)
+write_resolv_conf_entries(FILE *f, struct interface_ip_settings *ip, const char *dev)
{
struct dns_server *s;
struct dns_search_domain *d;
if (!str)
continue;
- fprintf(f, "nameserver %s\n", str);
+ if (s->af == AF_INET6 && IN6_IS_ADDR_LINKLOCAL(&s->addr.in6))
+ fprintf(f, "nameserver %s%%%s\n", str, dev);
+ else
+ fprintf(f, "nameserver %s\n", str);
}
vlist_simple_for_each_element(&ip->dns_search, d, node) {
continue;
fprintf(f, "# Interface %s\n", iface->name);
- write_resolv_conf_entries(f, &iface->config_ip);
+ write_resolv_conf_entries(f, &iface->config_ip, iface->ifname);
if (!iface->proto_ip.no_dns)
- write_resolv_conf_entries(f, &iface->proto_ip);
+ write_resolv_conf_entries(f, &iface->proto_ip, iface->ifname);
}
fflush(f);
rewind(f);
if (!(route->flags & DEVROUTE_METRIC))
route->metric = ip->iface->metric;
- system_add_route(dev, route);
+ if (system_add_route(dev, route))
+ route->failed = true;
} else
system_del_route(dev, route);
route->enabled = _enabled;
__interface_ip_init(&iface->proto_ip, iface);
__interface_ip_init(&iface->config_ip, iface);
vlist_init(&iface->host_routes, route_cmp, interface_update_host_route);
-
}
static void