#include "socket-util.h"
int dhcp6_network_bind_udp_socket(int index, struct in6_addr *local_address) {
- struct in6_pktinfo pktinfo = {
- .ipi6_ifindex = index,
- };
union sockaddr_union src = {
.in6.sin6_family = AF_INET6,
.in6.sin6_port = htobe16(DHCP6_PORT_CLIENT),
- .in6.sin6_addr = IN6ADDR_ANY_INIT,
+ .in6.sin6_scope_id = index,
};
_cleanup_close_ int s = -1;
int r, off = 0, on = 1;
- if (local_address)
- src.in6.sin6_addr = *local_address;
+ assert(index > 0);
+ assert(local_address);
+
+ src.in6.sin6_addr = *local_address;
s = socket(AF_INET6, SOCK_DGRAM | SOCK_CLOEXEC | SOCK_NONBLOCK, IPPROTO_UDP);
if (s < 0)
return -errno;
- r = setsockopt(s, IPPROTO_IPV6, IPV6_PKTINFO, &pktinfo, sizeof(pktinfo));
- if (r < 0)
- return -errno;
-
r = setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on));
if (r < 0)
return -errno;
#include "dhcp6-lease-internal.h"
#include "dhcp6-protocol.h"
#include "fd-util.h"
+#include "in-addr-util.h"
#include "network-internal.h"
#include "random-util.h"
#include "string-table.h"
sd_event *event;
int event_priority;
int index;
+ struct in6_addr local_address;
uint8_t mac_addr[MAX_MAC_ADDR_LEN];
size_t mac_addr_len;
uint16_t arp_type;
return 0;
}
+int sd_dhcp6_client_set_local_address(sd_dhcp6_client *client, const struct in6_addr *local_address) {
+ assert_return(client, -EINVAL);
+ assert_return(local_address, -EINVAL);
+ assert_return(in_addr_is_link_local(AF_INET6, (const union in_addr_union *) local_address) > 0, -EINVAL);
+
+ assert_return(IN_SET(client->state, DHCP6_STATE_STOPPED), -EBUSY);
+
+ client->local_address = *local_address;
+
+ return 0;
+}
+
int sd_dhcp6_client_set_mac(
sd_dhcp6_client *client,
const uint8_t *addr, size_t addr_len,
assert_return(client, -EINVAL);
assert_return(client->event, -EINVAL);
assert_return(client->index > 0, -EINVAL);
+ assert_return(in_addr_is_link_local(AF_INET6, (const union in_addr_union *) &client->local_address) > 0, -EINVAL);
if (!IN_SET(client->state, DHCP6_STATE_STOPPED))
return -EBUSY;
if (r < 0)
return r;
- r = dhcp6_network_bind_udp_socket(client->index, NULL);
+ r = dhcp6_network_bind_udp_socket(client->index, &client->local_address);
if (r < 0)
return r;
sd_event *e = userdata;
sd_dhcp6_lease *lease;
struct in6_addr *addrs;
+ struct in6_addr address = { { { 0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x01 } } };
char **domains;
assert_se(e);
assert_se(sd_dhcp6_client_set_callback(client,
test_client_solicit_cb, e) >= 0);
+ assert_se(sd_dhcp6_client_set_local_address(client, &address) >= 0);
+
assert_se(sd_dhcp6_client_start(client) >= 0);
}
static int test_client_solicit(sd_event *e) {
sd_dhcp6_client *client;
usec_t time_now = now(clock_boottime_or_monotonic());
+ struct in6_addr address = { { { 0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x01 } } };
int val = true;
if (verbose)
time_now + 2 * USEC_PER_SEC, 0,
test_hangcheck, NULL) >= 0);
+ assert_se(sd_dhcp6_client_set_local_address(client, &address) >= 0);
+
assert_se(sd_dhcp6_client_start(client) >= 0);
sd_event_loop(e);
link_check_ready(address->link);
if (address->family == AF_INET6 &&
- in_addr_is_link_local(AF_INET6, &address->in_addr) &&
- !address->link->ipv6ll_address) {
- r = link_ipv6ll_gained(address->link);
+ in_addr_is_link_local(AF_INET6, &address->in_addr) > 0 &&
+ in_addr_is_null(AF_INET6, (const union in_addr_union*) &address->link->ipv6ll_address) > 0) {
+ r = link_ipv6ll_gained(address->link, &address->in_addr.in6);
if (r < 0)
return r;
}
return;
if (link_ipv6ll_enabled(link))
- if (!link->ipv6ll_address)
+ if (in_addr_is_null(AF_INET6, (const union in_addr_union*) &link->ipv6ll_address) > 0)
return;
if ((link_dhcp4_enabled(link) && !link_dhcp6_enabled(link) &&
if (link_dhcp6_enabled(link)) {
assert(link->dhcp6_client);
+ assert(in_addr_is_link_local(AF_INET6, (const union in_addr_union*)&link->ipv6ll_address) > 0);
log_link_debug(link, "Acquiring DHCPv6 lease");
+ r = sd_dhcp6_client_set_local_address(link->dhcp6_client, &link->ipv6ll_address);
+ if (r < 0 && r != -EBUSY)
+ return log_link_warning_errno(link, r, "Could not set IPv6LL address in DHCP client: %m");
+
r = sd_dhcp6_client_start(link->dhcp6_client);
if (r < 0 && r != -EBUSY)
return log_link_warning_errno(link, r, "Could not acquire DHCPv6 lease: %m");
if (r < 0)
return r;
- if (link->ipv6ll_address) {
+ if (in_addr_is_null(AF_INET6, (const union in_addr_union*) &link->ipv6ll_address) == 0) {
r = link_acquire_ipv6_conf(link);
if (r < 0)
return r;
return r;
}
-int link_ipv6ll_gained(Link *link) {
+int link_ipv6ll_gained(Link *link, const struct in6_addr *address) {
int r;
assert(link);
log_link_info(link, "Gained IPv6LL");
- link->ipv6ll_address = true;
+ link->ipv6ll_address = *address;
link_check_ready(link);
if (!IN_SET(link->state, LINK_STATE_PENDING, LINK_STATE_PENDING, LINK_STATE_UNMANAGED, LINK_STATE_FAILED)) {
char *ifname;
char *state_file;
struct ether_addr mac;
+ struct in6_addr ipv6ll_address;
uint32_t mtu;
struct udev_device *udev_device;
sd_ipv4ll *ipv4ll;
bool ipv4ll_address:1;
bool ipv4ll_route:1;
- bool ipv6ll_address:1;
bool static_configured;
int link_carrier_reset(Link *link);
bool link_has_carrier(Link *link);
-int link_ipv6ll_gained(Link *link);
+int link_ipv6ll_gained(Link *link, const struct in6_addr *address);
int link_set_mtu(Link *link, uint32_t mtu);
int link_set_hostname(Link *link, const char *hostname);
sd_dhcp6_client_cb_t cb, void *userdata);
int sd_dhcp6_client_set_index(sd_dhcp6_client *client, int interface_index);
+int sd_dhcp6_client_set_local_address(sd_dhcp6_client *client, const struct in6_addr *local_address);
int sd_dhcp6_client_set_mac(sd_dhcp6_client *client, const uint8_t *addr,
size_t addr_len, uint16_t arp_type);
int sd_dhcp6_client_set_duid(sd_dhcp6_client *client, uint16_t type, uint8_t *duid,