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systemd/0580-sd-dhcp-client-support-non-Ethernet-hardware-address.patch
Zbigniew Jędrzejewski-Szmek db38be6409 More patches
2014-10-13 10:21:01 -04:00

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From 76253e73f9c9c24fec755e485516f3b55d0707b4 Mon Sep 17 00:00:00 2001
From: Dan Williams <dcbw@redhat.com>
Date: Wed, 8 Oct 2014 14:15:45 -0500
Subject: [PATCH] sd-dhcp-client: support non-Ethernet hardware addresses
Like Infiniband. See RFC 4390 section 2.1 for details on DHCP
and Infiniband; chaddr is zeroed, hlen is set to 0, and htype
is set to ARPHRD_INFINIBAND because IB hardware addresses
are 20 bytes in length.
---
src/libsystemd-network/dhcp-internal.h | 10 ++--
src/libsystemd-network/dhcp-network.c | 54 ++++++++++++++++++----
src/libsystemd-network/dhcp-packet.c | 8 ++--
src/libsystemd-network/sd-dhcp-client.c | 74 +++++++++++++++++++++++-------
src/libsystemd-network/sd-dhcp-server.c | 8 ++--
src/libsystemd-network/sd-dhcp6-client.c | 36 +++++++++++----
src/libsystemd-network/test-dhcp-client.c | 14 ++++--
src/libsystemd-network/test-dhcp-option.c | 2 +-
src/libsystemd-network/test-dhcp6-client.c | 8 +++-
src/network/networkd-dhcp4.c | 4 +-
src/network/networkd-link.c | 12 +++--
src/systemd/sd-dhcp-client.h | 4 +-
src/systemd/sd-dhcp6-client.h | 4 +-
13 files changed, 179 insertions(+), 59 deletions(-)
diff --git a/src/libsystemd-network/dhcp-internal.h b/src/libsystemd-network/dhcp-internal.h
index 1069c8a03b..d358a49307 100644
--- a/src/libsystemd-network/dhcp-internal.h
+++ b/src/libsystemd-network/dhcp-internal.h
@@ -24,6 +24,7 @@
#include <stdint.h>
#include <linux/if_packet.h>
+#include <net/if_arp.h>
#include <net/ethernet.h>
#include "socket-util.h"
@@ -31,7 +32,9 @@
#include "sd-dhcp-client.h"
#include "dhcp-protocol.h"
-int dhcp_network_bind_raw_socket(int index, union sockaddr_union *link, uint32_t xid, struct ether_addr mac_addr);
+int dhcp_network_bind_raw_socket(int index, union sockaddr_union *link,
+ uint32_t xid, const uint8_t *mac_addr,
+ size_t mac_addr_len, uint16_t arp_type);
int dhcp_network_bind_udp_socket(be32_t address, uint16_t port);
int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link,
const void *packet, size_t len);
@@ -47,8 +50,9 @@ typedef int (*dhcp_option_cb_t)(uint8_t code, uint8_t len,
int dhcp_option_parse(DHCPMessage *message, size_t len,
dhcp_option_cb_t cb, void *user_data);
-int dhcp_message_init(DHCPMessage *message, uint8_t op, uint32_t xid, uint8_t type,
- size_t optlen, size_t *optoffset);
+int dhcp_message_init(DHCPMessage *message, uint8_t op, uint32_t xid,
+ uint8_t type, uint16_t arp_type, size_t optlen,
+ size_t *optoffset);
uint16_t dhcp_packet_checksum(uint8_t *buf, size_t len);
diff --git a/src/libsystemd-network/dhcp-network.c b/src/libsystemd-network/dhcp-network.c
index 1ced5cf292..29e9993f66 100644
--- a/src/libsystemd-network/dhcp-network.c
+++ b/src/libsystemd-network/dhcp-network.c
@@ -22,6 +22,7 @@
#include <sys/socket.h>
#include <string.h>
#include <linux/if_packet.h>
+#include <linux/if_infiniband.h>
#include <net/ethernet.h>
#include <net/if_arp.h>
#include <stdio.h>
@@ -32,9 +33,12 @@
#include "dhcp-internal.h"
-int dhcp_network_bind_raw_socket(int ifindex, union sockaddr_union *link,
- uint32_t xid, struct ether_addr mac_addr) {
-
+static int _bind_raw_socket(int ifindex, union sockaddr_union *link,
+ uint32_t xid, const uint8_t *mac_addr,
+ size_t mac_addr_len,
+ const uint8_t *bcast_addr,
+ const struct ether_addr *eth_mac,
+ uint16_t arp_type, uint8_t dhcp_hlen) {
struct sock_filter filter[] = {
BPF_STMT(BPF_LD + BPF_W + BPF_LEN, 0), /* A <- packet length */
BPF_JUMP(BPF_JMP + BPF_JGE + BPF_K, sizeof(DHCPPacket), 1, 0), /* packet >= DHCPPacket ? */
@@ -57,21 +61,21 @@ int dhcp_network_bind_raw_socket(int ifindex, union sockaddr_union *link,
BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, BOOTREPLY, 1, 0), /* op == BOOTREPLY ? */
BPF_STMT(BPF_RET + BPF_K, 0), /* ignore */
BPF_STMT(BPF_LD + BPF_B + BPF_ABS, offsetof(DHCPPacket, dhcp.htype)), /* A <- DHCP header type */
- BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, ARPHRD_ETHER, 1, 0), /* header type == ARPHRD_ETHER ? */
+ BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, arp_type, 1, 0), /* header type == arp_type ? */
BPF_STMT(BPF_RET + BPF_K, 0), /* ignore */
BPF_STMT(BPF_LD + BPF_B + BPF_ABS, offsetof(DHCPPacket, dhcp.hlen)), /* A <- mac address length */
- BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, ETHER_ADDR_LEN, 1, 0), /* address length == ETHER_ADDR_LEN ? */
+ BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, dhcp_hlen, 1, 0), /* address length == dhcp_hlen ? */
BPF_STMT(BPF_RET + BPF_K, 0), /* ignore */
BPF_STMT(BPF_LD + BPF_W + BPF_ABS, offsetof(DHCPPacket, dhcp.xid)), /* A <- client identifier */
BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, xid, 1, 0), /* client identifier == xid ? */
BPF_STMT(BPF_RET + BPF_K, 0), /* ignore */
- BPF_STMT(BPF_LD + BPF_IMM, htobe32(*((unsigned int *) &mac_addr))), /* A <- 4 bytes of client's MAC */
+ BPF_STMT(BPF_LD + BPF_IMM, htobe32(*((unsigned int *) eth_mac))), /* A <- 4 bytes of client's MAC */
BPF_STMT(BPF_MISC + BPF_TAX, 0), /* X <- A */
BPF_STMT(BPF_LD + BPF_W + BPF_ABS, offsetof(DHCPPacket, dhcp.chaddr)), /* A <- 4 bytes of MAC from dhcp.chaddr */
BPF_STMT(BPF_ALU + BPF_XOR + BPF_X, 0), /* A xor X */
BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, 0, 1, 0), /* A == 0 ? */
BPF_STMT(BPF_RET + BPF_K, 0), /* ignore */
- BPF_STMT(BPF_LD + BPF_IMM, htobe16(*((unsigned short *) (((char *) &mac_addr) + 4)))), /* A <- remainder of client's MAC */
+ BPF_STMT(BPF_LD + BPF_IMM, htobe16(*((unsigned short *) (((char *) eth_mac) + 4)))), /* A <- remainder of client's MAC */
BPF_STMT(BPF_MISC + BPF_TAX, 0), /* X <- A */
BPF_STMT(BPF_LD + BPF_H + BPF_ABS, offsetof(DHCPPacket, dhcp.chaddr) + 4), /* A <- remainder of MAC from dhcp.chaddr */
BPF_STMT(BPF_ALU + BPF_XOR + BPF_X, 0), /* A xor X */
@@ -107,8 +111,9 @@ int dhcp_network_bind_raw_socket(int ifindex, union sockaddr_union *link,
link->ll.sll_family = AF_PACKET;
link->ll.sll_protocol = htons(ETH_P_IP);
link->ll.sll_ifindex = ifindex;
- link->ll.sll_halen = ETH_ALEN;
- memset(link->ll.sll_addr, 0xff, ETH_ALEN);
+ link->ll.sll_hatype = htons(arp_type);
+ link->ll.sll_halen = mac_addr_len;
+ memcpy(link->ll.sll_addr, bcast_addr, mac_addr_len);
r = bind(s, &link->sa, sizeof(link->ll));
if (r < 0)
@@ -120,6 +125,37 @@ int dhcp_network_bind_raw_socket(int ifindex, union sockaddr_union *link,
return r;
}
+int dhcp_network_bind_raw_socket(int ifindex, union sockaddr_union *link,
+ uint32_t xid, const uint8_t *mac_addr,
+ size_t mac_addr_len, uint16_t arp_type) {
+ static const uint8_t eth_bcast[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
+ /* Default broadcast address for IPoIB */
+ static const uint8_t ib_bcast[] = {
+ 0x00, 0xff, 0xff, 0xff, 0xff, 0x12, 0x40, 0x1b,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xff, 0xff, 0xff, 0xff
+ };
+ struct ether_addr eth_mac = { { 0, 0, 0, 0, 0, 0 } };
+ const uint8_t *bcast_addr = NULL;
+ uint8_t dhcp_hlen = 0;
+
+ assert_return(mac_addr_len > 0, -EINVAL);
+
+ if (arp_type == ARPHRD_ETHER) {
+ assert_return(mac_addr_len == ETH_ALEN, -EINVAL);
+ memcpy(&eth_mac, mac_addr, ETH_ALEN);
+ bcast_addr = eth_bcast;
+ dhcp_hlen = ETH_ALEN;
+ } else if (arp_type == ARPHRD_INFINIBAND) {
+ assert_return(mac_addr_len == INFINIBAND_ALEN, -EINVAL);
+ bcast_addr = ib_bcast;
+ } else
+ return -EINVAL;
+
+ return _bind_raw_socket(ifindex, link, xid, mac_addr, mac_addr_len,
+ bcast_addr, &eth_mac, arp_type, dhcp_hlen);
+}
+
int dhcp_network_bind_udp_socket(be32_t address, uint16_t port) {
union sockaddr_union src = {
.in.sin_family = AF_INET,
diff --git a/src/libsystemd-network/dhcp-packet.c b/src/libsystemd-network/dhcp-packet.c
index 9f850fdebb..7581daeeeb 100644
--- a/src/libsystemd-network/dhcp-packet.c
+++ b/src/libsystemd-network/dhcp-packet.c
@@ -38,15 +38,17 @@
#define DHCP_CLIENT_MIN_OPTIONS_SIZE 312
int dhcp_message_init(DHCPMessage *message, uint8_t op, uint32_t xid,
- uint8_t type, size_t optlen, size_t *optoffset) {
+ uint8_t type, uint16_t arp_type, size_t optlen,
+ size_t *optoffset) {
size_t offset = 0;
int r;
assert(op == BOOTREQUEST || op == BOOTREPLY);
+ assert(arp_type == ARPHRD_ETHER || arp_type == ARPHRD_INFINIBAND);
message->op = op;
- message->htype = ARPHRD_ETHER;
- message->hlen = ETHER_ADDR_LEN;
+ message->htype = arp_type;
+ message->hlen = (arp_type == ARPHRD_ETHER) ? ETHER_ADDR_LEN : 0;
message->xid = htobe32(xid);
message->magic = htobe32(DHCP_MAGIC_COOKIE);
diff --git a/src/libsystemd-network/sd-dhcp-client.c b/src/libsystemd-network/sd-dhcp-client.c
index 2f94c16078..0eba4c379d 100644
--- a/src/libsystemd-network/sd-dhcp-client.c
+++ b/src/libsystemd-network/sd-dhcp-client.c
@@ -23,6 +23,7 @@
#include <stdio.h>
#include <net/ethernet.h>
#include <net/if_arp.h>
+#include <linux/if_infiniband.h>
#include <netinet/ether.h>
#include <sys/param.h>
#include <sys/ioctl.h>
@@ -37,6 +38,8 @@
#include "dhcp-lease-internal.h"
#include "sd-dhcp-client.h"
+#define MAX_MAC_ADDR_LEN INFINIBAND_ALEN
+
struct sd_dhcp_client {
RefCount n_ref;
@@ -57,6 +60,9 @@ struct sd_dhcp_client {
uint8_t type;
struct ether_addr mac_addr;
} _packed_ client_id;
+ uint8_t mac_addr[MAX_MAC_ADDR_LEN];
+ size_t mac_addr_len;
+ uint16_t arp_type;
char *hostname;
char *vendor_class_identifier;
uint32_t mtu;
@@ -163,15 +169,25 @@ int sd_dhcp_client_set_index(sd_dhcp_client *client, int interface_index) {
return 0;
}
-int sd_dhcp_client_set_mac(sd_dhcp_client *client,
- const struct ether_addr *addr) {
+int sd_dhcp_client_set_mac(sd_dhcp_client *client, const uint8_t *addr,
+ size_t addr_len, uint16_t arp_type) {
DHCP_CLIENT_DONT_DESTROY(client);
bool need_restart = false;
assert_return(client, -EINVAL);
assert_return(addr, -EINVAL);
+ assert_return(addr_len > 0 && addr_len <= MAX_MAC_ADDR_LEN, -EINVAL);
+ assert_return(arp_type > 0, -EINVAL);
+
+ if (arp_type == ARPHRD_ETHER)
+ assert_return(addr_len == ETH_ALEN, -EINVAL);
+ else if (arp_type == ARPHRD_INFINIBAND)
+ assert_return(addr_len == INFINIBAND_ALEN, -EINVAL);
+ else
+ return -EINVAL;
- if (memcmp(&client->client_id.mac_addr, addr, ETH_ALEN) == 0)
+ if (client->mac_addr_len == addr_len &&
+ memcmp(&client->mac_addr, addr, addr_len) == 0)
return 0;
if (!IN_SET(client->state, DHCP_STATE_INIT, DHCP_STATE_STOPPED)) {
@@ -181,6 +197,10 @@ int sd_dhcp_client_set_mac(sd_dhcp_client *client,
client_stop(client, DHCP_EVENT_STOP);
}
+ memcpy(&client->mac_addr, addr, addr_len);
+ client->mac_addr_len = addr_len;
+ client->arp_type = arp_type;
+
memcpy(&client->client_id.mac_addr, addr, ETH_ALEN);
client->client_id.type = 0x01;
@@ -318,7 +338,7 @@ static int client_message_init(sd_dhcp_client *client, DHCPPacket **ret,
return -ENOMEM;
r = dhcp_message_init(&packet->dhcp, BOOTREQUEST, client->xid, type,
- optlen, &optoffset);
+ client->arp_type, optlen, &optoffset);
if (r < 0)
return r;
@@ -337,14 +357,17 @@ static int client_message_init(sd_dhcp_client *client, DHCPPacket **ret,
Note: some interfaces needs this to be enabled, but some networks
needs this to be disabled as broadcasts are filteretd, so this
needs to be configurable */
- if (client->request_broadcast)
+ if (client->request_broadcast || client->arp_type != ARPHRD_ETHER)
packet->dhcp.flags = htobe16(0x8000);
/* RFC2132 section 4.1.1:
The client MUST include its hardware address in the ’chaddr’ field, if
- necessary for delivery of DHCP reply messages.
+ necessary for delivery of DHCP reply messages. Non-Ethernet
+ interfaces will leave 'chaddr' empty and use the client identifier
+ instead (eg, RFC 4390 section 2.1).
*/
- memcpy(&packet->dhcp.chaddr, &client->client_id.mac_addr, ETH_ALEN);
+ if (client->arp_type == ARPHRD_ETHER)
+ memcpy(&packet->dhcp.chaddr, &client->mac_addr, ETH_ALEN);
/* Some DHCP servers will refuse to issue an DHCP lease if the Client
Identifier option is not set */
@@ -843,7 +866,9 @@ static int client_start(sd_dhcp_client *client) {
client->xid = random_u32();
- r = dhcp_network_bind_raw_socket(client->index, &client->link, client->xid, client->client_id.mac_addr);
+ r = dhcp_network_bind_raw_socket(client->index, &client->link,
+ client->xid, client->mac_addr,
+ client->mac_addr_len, client->arp_type);
if (r < 0) {
client_stop(client, r);
return r;
@@ -887,7 +912,9 @@ static int client_timeout_t2(sd_event_source *s, uint64_t usec, void *userdata)
client->state = DHCP_STATE_REBINDING;
client->attempt = 1;
- r = dhcp_network_bind_raw_socket(client->index, &client->link, client->xid, client->client_id.mac_addr);
+ r = dhcp_network_bind_raw_socket(client->index, &client->link,
+ client->xid, client->mac_addr,
+ client->mac_addr_len, client->arp_type);
if (r < 0) {
client_stop(client, r);
return 0;
@@ -1331,6 +1358,9 @@ static int client_receive_message_udp(sd_event_source *s, int fd,
sd_dhcp_client *client = userdata;
_cleanup_free_ DHCPMessage *message = NULL;
int buflen = 0, len, r;
+ const struct ether_addr zero_mac = { { 0, 0, 0, 0, 0, 0 } };
+ const struct ether_addr *expected_chaddr = NULL;
+ uint8_t expected_hlen = 0;
assert(s);
assert(client);
@@ -1367,13 +1397,26 @@ static int client_receive_message_udp(sd_event_source *s, int fd,
return 0;
}
- if (message->htype != ARPHRD_ETHER || message->hlen != ETHER_ADDR_LEN) {
- log_dhcp_client(client, "not an ethernet packet");
+ if (message->htype != client->arp_type) {
+ log_dhcp_client(client, "packet type does not match client type");
+ return 0;
+ }
+
+ if (client->arp_type == ARPHRD_ETHER) {
+ expected_hlen = ETH_ALEN;
+ expected_chaddr = (const struct ether_addr *) &client->mac_addr;
+ } else {
+ /* Non-ethernet links expect zero chaddr */
+ expected_hlen = 0;
+ expected_chaddr = &zero_mac;
+ }
+
+ if (message->hlen != expected_hlen) {
+ log_dhcp_client(client, "unexpected packet hlen %d", message->hlen);
return 0;
}
- if (memcmp(&message->chaddr[0], &client->client_id.mac_addr,
- ETH_ALEN)) {
+ if (memcmp(&message->chaddr[0], expected_chaddr, ETH_ALEN)) {
log_dhcp_client(client, "received chaddr does not match "
"expected: ignoring");
return 0;
@@ -1455,7 +1498,6 @@ static int client_receive_message_raw(sd_event_source *s, int fd,
}
int sd_dhcp_client_start(sd_dhcp_client *client) {
- char buffer[ETHER_ADDR_TO_STRING_MAX];
int r;
assert_return(client, -EINVAL);
@@ -1469,9 +1511,7 @@ int sd_dhcp_client_start(sd_dhcp_client *client) {
r = client_start(client);
if (r >= 0)
- log_dhcp_client(client, "STARTED on ifindex %u with address %s",
- client->index,
- ether_addr_to_string(&client->client_id.mac_addr, buffer));
+ log_dhcp_client(client, "STARTED on ifindex %u", client->index);
return r;
}
diff --git a/src/libsystemd-network/sd-dhcp-server.c b/src/libsystemd-network/sd-dhcp-server.c
index a6d6178e72..24fedd2375 100644
--- a/src/libsystemd-network/sd-dhcp-server.c
+++ b/src/libsystemd-network/sd-dhcp-server.c
@@ -392,8 +392,8 @@ static int server_message_init(sd_dhcp_server *server, DHCPPacket **ret,
return -ENOMEM;
r = dhcp_message_init(&packet->dhcp, BOOTREPLY,
- be32toh(req->message->xid), type, req->max_optlen,
- &optoffset);
+ be32toh(req->message->xid), type, ARPHRD_ETHER,
+ req->max_optlen, &optoffset);
if (r < 0)
return r;
@@ -513,8 +513,8 @@ static int server_send_forcerenew(sd_dhcp_server *server, be32_t address,
return -ENOMEM;
r = dhcp_message_init(&packet->dhcp, BOOTREPLY, 0,
- DHCP_FORCERENEW, DHCP_MIN_OPTIONS_SIZE,
- &optoffset);
+ DHCP_FORCERENEW, ARPHRD_ETHER,
+ DHCP_MIN_OPTIONS_SIZE, &optoffset);
if (r < 0)
return r;
diff --git a/src/libsystemd-network/sd-dhcp6-client.c b/src/libsystemd-network/sd-dhcp6-client.c
index 6ea68c915f..fa4f9b5dc2 100644
--- a/src/libsystemd-network/sd-dhcp6-client.c
+++ b/src/libsystemd-network/sd-dhcp6-client.c
@@ -22,6 +22,7 @@
#include <errno.h>
#include <string.h>
#include <sys/ioctl.h>
+#include <linux/if_infiniband.h>
#include "udev.h"
#include "udev-util.h"
@@ -44,6 +45,8 @@
*/
#define MAX_DUID_LEN 128
+#define MAX_MAC_ADDR_LEN INFINIBAND_ALEN
+
struct sd_dhcp6_client {
RefCount n_ref;
@@ -51,7 +54,9 @@ struct sd_dhcp6_client {
sd_event *event;
int event_priority;
int index;
- struct ether_addr mac_addr;
+ uint8_t mac_addr[MAX_MAC_ADDR_LEN];
+ size_t mac_addr_len;
+ uint16_t arp_type;
DHCP6IA ia_na;
be32_t transaction_id;
usec_t transaction_start;
@@ -160,15 +165,28 @@ int sd_dhcp6_client_set_index(sd_dhcp6_client *client, int interface_index)
return 0;
}
-int sd_dhcp6_client_set_mac(sd_dhcp6_client *client,
- const struct ether_addr *mac_addr)
+int sd_dhcp6_client_set_mac(sd_dhcp6_client *client, const uint8_t *addr,
+ size_t addr_len, uint16_t arp_type)
{
assert_return(client, -EINVAL);
-
- if (mac_addr)
- memcpy(&client->mac_addr, mac_addr, sizeof(client->mac_addr));
+ assert_return(addr, -EINVAL);
+ assert_return(addr_len > 0 && addr_len <= MAX_MAC_ADDR_LEN, -EINVAL);
+ assert_return(arp_type > 0, -EINVAL);
+
+ if (arp_type == ARPHRD_ETHER)
+ assert_return(addr_len == ETH_ALEN, -EINVAL);
+ else if (arp_type == ARPHRD_INFINIBAND)
+ assert_return(addr_len == INFINIBAND_ALEN, -EINVAL);
else
- memset(&client->mac_addr, 0x00, sizeof(client->mac_addr));
+ return -EINVAL;
+
+ if (client->mac_addr_len == addr_len &&
+ memcmp(&client->mac_addr, addr, addr_len) == 0)
+ return 0;
+
+ memcpy(&client->mac_addr, addr, addr_len);
+ client->mac_addr_len = addr_len;
+ client->arp_type = arp_type;
return 0;
}
@@ -646,8 +664,8 @@ static int client_ensure_iaid(sd_dhcp6_client *client) {
siphash24((uint8_t*)&id, name, strlen(name), HASH_KEY.bytes);
else
/* fall back to mac address if no predictable name available */
- siphash24((uint8_t*)&id, &client->mac_addr, ETH_ALEN,
- HASH_KEY.bytes);
+ siphash24((uint8_t*)&id, &client->mac_addr,
+ client->mac_addr_len, HASH_KEY.bytes);
/* fold into 32 bits */
client->ia_na.id = (id & 0xffffffff) ^ (id >> 32);
diff --git a/src/libsystemd-network/test-dhcp-client.c b/src/libsystemd-network/test-dhcp-client.c
index c48aa04b8d..7dab97de2f 100644
--- a/src/libsystemd-network/test-dhcp-client.c
+++ b/src/libsystemd-network/test-dhcp-client.c
@@ -196,7 +196,9 @@ int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link,
return 575;
}
-int dhcp_network_bind_raw_socket(int index, union sockaddr_union *link, uint32_t id, struct ether_addr mac)
+int dhcp_network_bind_raw_socket(int index, union sockaddr_union *link,
+ uint32_t id, const uint8_t *addr,
+ size_t addr_len, uint16_t arp_type)
{
if (socketpair(AF_UNIX, SOCK_STREAM, 0, test_fd) < 0)
return -errno;
@@ -244,7 +246,10 @@ static void test_discover_message(sd_event *e)
assert_se(r >= 0);
assert_se(sd_dhcp_client_set_index(client, 42) >= 0);
- assert_se(sd_dhcp_client_set_mac(client, &mac_addr) >= 0);
+ assert_se(sd_dhcp_client_set_mac(client,
+ (const uint8_t *) &mac_addr,
+ sizeof (mac_addr),
+ ARPHRD_ETHER) >= 0);
assert_se(sd_dhcp_client_set_request_option(client, 248) >= 0);
@@ -462,7 +467,10 @@ static void test_addr_acq(sd_event *e) {
assert_se(r >= 0);
assert_se(sd_dhcp_client_set_index(client, 42) >= 0);
- assert_se(sd_dhcp_client_set_mac(client, &mac_addr) >= 0);
+ assert_se(sd_dhcp_client_set_mac(client,
+ (const uint8_t *) &mac_addr,
+ sizeof (mac_addr),
+ ARPHRD_ETHER) >= 0);
assert_se(sd_dhcp_client_set_callback(client, test_addr_acq_acquired, e)
>= 0);
diff --git a/src/libsystemd-network/test-dhcp-option.c b/src/libsystemd-network/test-dhcp-option.c
index 63cdc7aa06..eac3844f96 100644
--- a/src/libsystemd-network/test-dhcp-option.c
+++ b/src/libsystemd-network/test-dhcp-option.c
@@ -92,7 +92,7 @@ static void test_message_init(void)
message = malloc0(len);
assert_se(dhcp_message_init(message, BOOTREQUEST, 0x12345678,
- DHCP_DISCOVER, optlen, &optoffset) >= 0);
+ DHCP_DISCOVER, ARPHRD_ETHER, optlen, &optoffset) >= 0);
assert_se(message->xid == htobe32(0x12345678));
assert_se(message->op == BOOTREQUEST);
diff --git a/src/libsystemd-network/test-dhcp6-client.c b/src/libsystemd-network/test-dhcp6-client.c
index 37ddfc2cfa..26b28a20e8 100644
--- a/src/libsystemd-network/test-dhcp6-client.c
+++ b/src/libsystemd-network/test-dhcp6-client.c
@@ -66,7 +66,9 @@ static int test_client_basic(sd_event *e) {
assert_se(sd_dhcp6_client_set_index(client, -1) == 0);
assert_se(sd_dhcp6_client_set_index(client, 42) >= 0);
- assert_se(sd_dhcp6_client_set_mac(client, &mac_addr) >= 0);
+ assert_se(sd_dhcp6_client_set_mac(client, (const uint8_t *) &mac_addr,
+ sizeof (mac_addr),
+ ARPHRD_ETHER) >= 0);
assert_se(sd_dhcp6_client_set_request_option(client, DHCP6_OPTION_CLIENTID) == -EINVAL);
assert_se(sd_dhcp6_client_set_request_option(client, DHCP6_OPTION_DNS_SERVERS) == -EEXIST);
@@ -572,7 +574,9 @@ static int test_client_solicit(sd_event *e) {
assert_se(sd_dhcp6_client_attach_event(client, e, 0) >= 0);
assert_se(sd_dhcp6_client_set_index(client, test_index) == 0);
- assert_se(sd_dhcp6_client_set_mac(client, &mac_addr) >= 0);
+ assert_se(sd_dhcp6_client_set_mac(client, (const uint8_t *) &mac_addr,
+ sizeof (mac_addr),
+ ARPHRD_ETHER) >= 0);
assert_se(sd_dhcp6_client_set_callback(client,
test_client_solicit_cb, e) >= 0);
diff --git a/src/network/networkd-dhcp4.c b/src/network/networkd-dhcp4.c
index e451af8643..63bfa86f99 100644
--- a/src/network/networkd-dhcp4.c
+++ b/src/network/networkd-dhcp4.c
@@ -599,7 +599,9 @@ int dhcp4_configure(Link *link) {
if (r < 0)
return r;
- r = sd_dhcp_client_set_mac(link->dhcp_client, &link->mac);
+ r = sd_dhcp_client_set_mac(link->dhcp_client,
+ (const uint8_t *) &link->mac,
+ sizeof (link->mac), ARPHRD_ETHER);
if (r < 0)
return r;
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index dcbe38a90a..c6e173fbc6 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -909,7 +909,9 @@ static void icmp6_router_handler(sd_icmp6_nd *nd, int event, void *userdata) {
return;
}
- r = sd_dhcp6_client_set_mac(link->dhcp6_client, &link->mac);
+ r = sd_dhcp6_client_set_mac(link->dhcp6_client,
+ (const uint8_t *) &link->mac,
+ sizeof (link->mac), ARPHRD_ETHER);
if (r < 0) {
link->dhcp6_client = sd_dhcp6_client_unref(link->dhcp6_client);
return;
@@ -1647,7 +1649,9 @@ int link_update(Link *link, sd_rtnl_message *m) {
if (link->dhcp_client) {
r = sd_dhcp_client_set_mac(link->dhcp_client,
- &link->mac);
+ (const uint8_t *) &link->mac,
+ sizeof (link->mac),
+ ARPHRD_ETHER);
if (r < 0) {
log_warning_link(link,
"Could not update MAC address in DHCP client: %s",
@@ -1658,7 +1662,9 @@ int link_update(Link *link, sd_rtnl_message *m) {
if (link->dhcp6_client) {
r = sd_dhcp6_client_set_mac(link->dhcp6_client,
- &link->mac);
+ (const uint8_t *) &link->mac,
+ sizeof (link->mac),
+ ARPHRD_ETHER);
if (r < 0) {
log_warning_link(link,
"Could not update MAC address in DHCPv6 client: %s",
diff --git a/src/systemd/sd-dhcp-client.h b/src/systemd/sd-dhcp-client.h
index 98c67829b7..7416f82193 100644
--- a/src/systemd/sd-dhcp-client.h
+++ b/src/systemd/sd-dhcp-client.h
@@ -49,8 +49,8 @@ int sd_dhcp_client_set_request_address(sd_dhcp_client *client,
const struct in_addr *last_address);
int sd_dhcp_client_set_request_broadcast(sd_dhcp_client *client, int broadcast);
int sd_dhcp_client_set_index(sd_dhcp_client *client, int interface_index);
-int sd_dhcp_client_set_mac(sd_dhcp_client *client,
- const struct ether_addr *addr);
+int sd_dhcp_client_set_mac(sd_dhcp_client *client, const uint8_t *addr,
+ size_t addr_len, uint16_t arp_type);
int sd_dhcp_client_set_mtu(sd_dhcp_client *client, uint32_t mtu);
int sd_dhcp_client_set_hostname(sd_dhcp_client *client, const char *hostname);
int sd_dhcp_client_set_vendor_class_identifier(sd_dhcp_client *client, const char *vci);
diff --git a/src/systemd/sd-dhcp6-client.h b/src/systemd/sd-dhcp6-client.h
index a4409e8d4e..c7f168fe21 100644
--- a/src/systemd/sd-dhcp6-client.h
+++ b/src/systemd/sd-dhcp6-client.h
@@ -43,8 +43,8 @@ int sd_dhcp6_client_set_callback(sd_dhcp6_client *client,
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_mac(sd_dhcp6_client *client,
- const struct ether_addr *mac_addr);
+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,
size_t duid_len);
int sd_dhcp6_client_set_request_option(sd_dhcp6_client *client,
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