static struct odhcpd_event router_event = {.uloop = {.fd = -1}, .handle_dgram = handle_icmpv6, };
static FILE *fp_route = NULL;
-#define RA_IOV_LEN 7
#define TIME_LEFT(t1, now) ((t1) != UINT32_MAX ? (t1) - (now) : UINT32_MAX)
} else {
void *mreq = &all_routers;
- if (iface->ra == RELAYD_RELAY && iface->master) {
+ if (iface->ra == MODE_RELAY && iface->master) {
mreq = &all_nodes;
forward_router_solicitation(iface);
- } else if (iface->ra == RELAYD_SERVER && !iface->master) {
+ } else if (iface->ra == MODE_SERVER && !iface->master) {
iface->timer_rs.cb = trigger_router_advert;
uloop_timeout_set(&iface->timer_rs, 1000);
- ndp_rqs_addr6_dump();
}
- if (iface->ra == RELAYD_RELAY || (iface->ra == RELAYD_SERVER && !iface->master))
+ if (iface->ra == MODE_RELAY || (iface->ra == MODE_SERVER && !iface->master))
setsockopt(router_event.uloop.fd, IPPROTO_IPV6,
IPV6_ADD_MEMBERSHIP, mreq, sizeof(all_nodes));
}
{
struct interface *iface;
list_for_each_entry(iface, &interfaces, head)
- if (iface->ra == RELAYD_SERVER && !iface->master)
+ if (iface->ra == MODE_SERVER && !iface->master)
uloop_timeout_set(&iface->timer_rs, 1000);
}
char line[512], ifname[16];
bool found_default = false;
- struct odhcpd_ipaddr p = {IN6ADDR_ANY_INIT, 0, 0, 0, 0};
+ struct odhcpd_ipaddr p = { .addr.in6 = IN6ADDR_ANY_INIT, .prefix = 0,
+ .dprefix = 0, .preferred = 0, .valid = 0};
+
while (fgets(line, sizeof(line), fp_route)) {
uint32_t rflags;
if (sscanf(line, "00000000000000000000000000000000 00 "
found_default = true;
} else if (sscanf(line, "%8" SCNx32 "%8" SCNx32 "%*8" SCNx32 "%*8" SCNx32 " %hhx %*s "
"%*s 00000000000000000000000000000000 %*s %*s %*s %" SCNx32 " lo",
- &p.addr.s6_addr32[0], &p.addr.s6_addr32[1], &p.prefix, &rflags) &&
+ &p.addr.in6.s6_addr32[0], &p.addr.in6.s6_addr32[1], &p.prefix, &rflags) &&
p.prefix > 0 && (rflags & RTF_NONEXTHOP) && (rflags & RTF_REJECT)) {
// Find source prefixes by scanning through unreachable-routes
- p.addr.s6_addr32[0] = htonl(p.addr.s6_addr32[0]);
- p.addr.s6_addr32[1] = htonl(p.addr.s6_addr32[1]);
+ p.addr.in6.s6_addr32[0] = htonl(p.addr.in6.s6_addr32[0]);
+ p.addr.in6.s6_addr32[1] = htonl(p.addr.in6.s6_addr32[1]);
for (ssize_t i = 0; i < len; ++i) {
if (n[i].prefix <= 64 && n[i].prefix >= p.prefix &&
- !odhcpd_bmemcmp(&p.addr, &n[i].addr, p.prefix)) {
+ !odhcpd_bmemcmp(&p.addr.in6, &n[i].addr.in6, p.prefix)) {
n[i].dprefix = p.prefix;
break;
}
return lifetime;
}
+enum {
+ IOV_RA_ADV=0,
+ IOV_RA_PFXS,
+ IOV_RA_ROUTES,
+ IOV_RA_DNS,
+ IOV_RA_DNS_ADDR,
+ IOV_RA_SEARCH,
+ IOV_RA_ADV_INTERVAL,
+ IOV_RA_TOTAL,
+};
+
// Router Advert server mode
static uint64_t send_router_advert(struct interface *iface, const struct in6_addr *from)
{
if (iface->dhcpv6)
adv.h.nd_ra_flags_reserved = ND_RA_FLAG_OTHER;
- if (iface->managed >= RELAYD_MANAGED_MFLAG)
+ if (iface->ra_managed >= RA_MANAGED_MFLAG)
adv.h.nd_ra_flags_reserved |= ND_RA_FLAG_MANAGED;
if (iface->route_preference < 0)
if (addr->prefix > 96 || addr->valid <= (uint32_t)now) {
char namebuf[INET6_ADDRSTRLEN];
- inet_ntop(AF_INET6, addr, namebuf, sizeof(namebuf));
+ inet_ntop(AF_INET6, &addr->addr.in6, namebuf, sizeof(namebuf));
syslog(LOG_INFO, "Address %s (prefix %d, valid %u) not suitable as RA prefix on %s",
namebuf, addr->prefix, addr->valid, iface->ifname);
continue;
for (size_t i = 0; i < pfxs_cnt; ++i) {
if (addr->prefix == pfxs[i].nd_opt_pi_prefix_len &&
!odhcpd_bmemcmp(&pfxs[i].nd_opt_pi_prefix,
- &addr->addr, addr->prefix))
+ &addr->addr.in6, addr->prefix))
p = &pfxs[i];
}
if (minvalid > valid)
minvalid = valid;
- if (!IN6_IS_ADDR_ULA(&addr->addr) || iface->default_router)
+ if (!IN6_IS_ADDR_ULA(&addr->addr.in6) || iface->default_router)
valid_prefix = true;
- odhcpd_bmemcpy(&p->nd_opt_pi_prefix, &addr->addr,
+ odhcpd_bmemcpy(&p->nd_opt_pi_prefix, &addr->addr.in6,
(iface->ra_advrouter) ? 128 : addr->prefix);
p->nd_opt_pi_type = ND_OPT_PREFIX_INFORMATION;
p->nd_opt_pi_len = 4;
p->nd_opt_pi_flags_reserved = 0;
if (!iface->ra_not_onlink)
p->nd_opt_pi_flags_reserved |= ND_OPT_PI_FLAG_ONLINK;
- if (iface->managed < RELAYD_MANAGED_NO_AFLAG && addr->prefix <= 64)
+ if (iface->ra_managed < RA_MANAGED_NO_AFLAG && addr->prefix <= 64)
p->nd_opt_pi_flags_reserved |= ND_OPT_PI_FLAG_AUTO;
if (iface->ra_advrouter)
p->nd_opt_pi_flags_reserved |= ND_OPT_PI_FLAG_RADDR;
(addr->dprefix == 64 && addr->prefix == 64)) {
continue; // Address not suitable
} else if (addr->dprefix > 32) {
- addr->addr.s6_addr32[1] &= htonl(~((1U << (64 - addr->dprefix)) - 1));
+ addr->addr.in6.s6_addr32[1] &= htonl(~((1U << (64 - addr->dprefix)) - 1));
} else if (addr->dprefix <= 32) {
- addr->addr.s6_addr32[0] &= htonl(~((1U << (32 - addr->dprefix)) - 1));
- addr->addr.s6_addr32[1] = 0;
+ addr->addr.in6.s6_addr32[0] &= htonl(~((1U << (32 - addr->dprefix)) - 1));
+ addr->addr.in6.s6_addr32[1] = 0;
}
tmp = realloc(routes, sizeof(*routes) * (routes_cnt + 1));
else if (iface->route_preference > 0)
routes[routes_cnt].flags |= ND_RA_PREF_HIGH;
routes[routes_cnt].lifetime = htonl(TIME_LEFT(addr->valid, now));
- routes[routes_cnt].addr[0] = addr->addr.s6_addr32[0];
- routes[routes_cnt].addr[1] = addr->addr.s6_addr32[1];
+ routes[routes_cnt].addr[0] = addr->addr.in6.s6_addr32[0];
+ routes[routes_cnt].addr[1] = addr->addr.in6.s6_addr32[1];
routes[routes_cnt].addr[2] = 0;
routes[routes_cnt].addr[3] = 0;
.data = {0, 0, (maxival*1000) >> 24, (maxival*1000) >> 16, (maxival*1000) >> 8, maxival*1000}
};
- struct iovec iov[RA_IOV_LEN] = {
- {&adv, sizeof(adv)},
- {pfxs, pfxs_cnt * sizeof(*pfxs)},
- {routes, routes_cnt * sizeof(*routes)},
- {&dns, (dns_cnt) ? sizeof(dns) : 0},
- {dns_addr, dns_cnt * sizeof(*dns_addr)},
- {search, search->len * 8},
- {&adv_interval, adv_interval.len * 8}};
+ struct iovec iov[IOV_RA_TOTAL] = {
+ [IOV_RA_ADV] = {&adv, sizeof(adv)},
+ [IOV_RA_PFXS] = {pfxs, pfxs_cnt * sizeof(*pfxs)},
+ [IOV_RA_ROUTES] = {routes, routes_cnt * sizeof(*routes)},
+ [IOV_RA_DNS] = {&dns, (dns_cnt) ? sizeof(dns) : 0},
+ [IOV_RA_DNS_ADDR] = {dns_addr, dns_cnt * sizeof(*dns_addr)},
+ [IOV_RA_SEARCH] = {search, search->len * 8},
+ [IOV_RA_ADV_INTERVAL] = {&adv_interval, adv_interval.len * 8}};
struct sockaddr_in6 dest = {AF_INET6, 0, 0, ALL_IPV6_NODES, 0};
if (from && !IN6_IS_ADDR_UNSPECIFIED(from))
if (!router_icmpv6_valid(addr, data, len))
return;
- if ((iface->ra == RELAYD_SERVER && !iface->master)) { // Server mode
+ if ((iface->ra == MODE_SERVER && !iface->master)) { // Server mode
if (hdr->icmp6_type == ND_ROUTER_SOLICIT)
send_router_advert(iface, &from->sin6_addr);
- } else if (iface->ra == RELAYD_RELAY) { // Relay mode
+ } else if (iface->ra == MODE_RELAY) { // Relay mode
if (hdr->icmp6_type == ND_ROUTER_ADVERT && iface->master)
forward_router_advertisement(data, len);
else if (hdr->icmp6_type == ND_ROUTER_SOLICIT && !iface->master)
struct interface *iface;
list_for_each_entry(iface, &interfaces, head) {
- if (iface->ra != RELAYD_RELAY || iface->master)
+ if (iface->ra != MODE_RELAY || iface->master)
continue;
// Fixup source hardware address option