diff options
| -rw-r--r-- | src/libsystemd-network/sd-dhcp-client.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/libsystemd-network/sd-dhcp-client.c b/src/libsystemd-network/sd-dhcp-client.c index ce375dd016..1a57939bbf 100644 --- a/src/libsystemd-network/sd-dhcp-client.c +++ b/src/libsystemd-network/sd-dhcp-client.c @@ -46,7 +46,10 @@ struct sd_dhcp_client { size_t req_opts_allocated; size_t req_opts_size; be32_t last_addr; - struct ether_addr mac_addr; + struct { + uint8_t type; + struct ether_addr mac_addr; + } _packed_ client_id; uint32_t xid; usec_t start_time; uint16_t secs; @@ -152,7 +155,8 @@ int sd_dhcp_client_set_mac(sd_dhcp_client *client, addr->ether_addr_octet[4], addr->ether_addr_octet[5]); - memcpy(&client->mac_addr, addr, ETH_ALEN); + memcpy(&client->client_id.mac_addr, addr, ETH_ALEN); + client->client_id.type = 0x01; return 0; } @@ -233,7 +237,7 @@ static int client_message_init(sd_dhcp_client *client, DHCPMessage *message, refuse to issue an DHCP lease if 'secs' is set to zero */ message->secs = htobe16(secs); - memcpy(&message->chaddr, &client->mac_addr, ETH_ALEN); + memcpy(&message->chaddr, &client->client_id.mac_addr, ETH_ALEN); if (client->state == DHCP_STATE_RENEWING || client->state == DHCP_STATE_REBINDING) @@ -242,7 +246,7 @@ static int client_message_init(sd_dhcp_client *client, DHCPMessage *message, /* Some DHCP servers will refuse to issue an DHCP lease if the Client Identifier option is not set */ r = dhcp_option_append(opt, optlen, DHCP_OPTION_CLIENT_IDENTIFIER, - ETH_ALEN, &client->mac_addr); + sizeof(client->client_id), &client->client_id); if (r < 0) return r; @@ -852,8 +856,8 @@ static int client_handle_message(sd_dhcp_client *client, DHCPMessage *message, return 0; } - if (memcmp(&message->chaddr[0], &client->mac_addr.ether_addr_octet, - ETHER_ADDR_LEN)) { + if (memcmp(&message->chaddr[0], &client->client_id.mac_addr, + ETH_ALEN)) { log_dhcp_client(client, "received chaddr does not match " "expected: ignoring"); return 0; |