#include "dhcp6-protocol.h"
#include "dhcp6-internal.h"
#include "dhcp6-lease-internal.h"
+#include "dhcp-identifier.h"
#define SYSTEMD_PEN 43793
#define HASH_KEY SD_ID128_MAKE(80,11,8c,c2,fe,4a,03,ee,3e,d6,0c,6f,36,39,14,09)
-/* RFC 3315 section 9.1:
- * A DUID can be no more than 128 octets long (not including the type code).
- */
-#define MAX_DUID_LEN 128
-
#define MAX_MAC_ADDR_LEN INFINIBAND_ALEN
struct sd_dhcp6_client {
sd_event_source *timeout_resend_expire;
sd_dhcp6_client_cb_t cb;
void *userdata;
- union {
- struct {
- uint16_t type; /* DHCP6_DUID_LLT */
- uint16_t htype;
- uint32_t time;
- uint8_t haddr[0];
- } _packed_ llt;
- struct {
- uint16_t type; /* DHCP6_DUID_EN */
- uint32_t pen;
- uint8_t id[8];
- } _packed_ en;
- struct {
- uint16_t type; /* DHCP6_DUID_LL */
- uint16_t htype;
- uint8_t haddr[0];
- } _packed_ ll;
- struct {
- uint16_t type; /* DHCP6_DUID_UUID */
- sd_id128_t uuid;
- } _packed_ uuid;
- struct {
- uint16_t type;
- uint8_t data[MAX_DUID_LEN];
- } _packed_ raw;
- } duid;
+ struct duid duid;
size_t duid_len;
};
switch (type) {
case DHCP6_DUID_LLT:
- if (duid_len <= sizeof(client->duid.llt) - 2)
+ if (duid_len <= sizeof(client->duid.llt))
return -EINVAL;
break;
case DHCP6_DUID_EN:
- if (duid_len != sizeof(client->duid.en) - 2)
+ if (duid_len != sizeof(client->duid.en))
return -EINVAL;
break;
case DHCP6_DUID_LL:
- if (duid_len <= sizeof(client->duid.ll) - 2)
+ if (duid_len <= sizeof(client->duid.ll))
return -EINVAL;
break;
case DHCP6_DUID_UUID:
- if (duid_len != sizeof(client->duid.uuid) - 2)
+ if (duid_len != sizeof(client->duid.uuid))
return -EINVAL;
break;
default:
break;
}
- client->duid.raw.type = htobe16(type);
+ client->duid.type = htobe16(type);
memcpy(&client->duid.raw.data, duid, duid_len);
- client->duid_len = duid_len + 2; /* +2 for sizeof(type) */
+ client->duid_len = duid_len + sizeof(client->duid.type);
return 0;
}
assert_return(client->index > 0, -EINVAL);
assert_return(client->state != state, -EINVAL);
- log_dhcp6_client(client, "client state %d new state %d", client->state, state);
client->timeout_resend_expire =
sd_event_source_unref(client->timeout_resend_expire);
client->timeout_resend = sd_event_source_unref(client->timeout_resend);
client->fd = -1;
/* initialize DUID */
- client->duid.en.type = htobe16(DHCP6_DUID_EN);
+ client->duid.type = htobe16(DHCP6_DUID_EN);
client->duid.en.pen = htobe32(SYSTEMD_PEN);
client->duid_len = sizeof(client->duid.en);