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core/systemd to 219-5.1

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Kevin Mihelich 2015-04-22 03:07:36 +00:00
parent 3a7515b7ac
commit 07f51cf91c
2 changed files with 289 additions and 3 deletions
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282
core/systemd/5bac5235934fabe5a3e6a9d47f4812f81034c427.patch Normal file
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@ -0,0 +1,282 @@
From 5bac5235934fabe5a3e6a9d47f4812f81034c427 Mon Sep 17 00:00:00 2001
From: Tom Gundersen <teg@jklm.no>
Date: Thu, 22 Jan 2015 00:53:16 +0100
Subject: sd-dhcp-client: use RFC4361-complient ClientID by default
In addition to the benefits listed in the RFC, this allows DHCP to work also in
case several interfaces share the same MAC address on the same link (IPVLAN).
Note that this will make the ClientID (so probably the assigned IP address)
change on upgrades. If it is desired to avoid that we would have to remember and
write back the ID (which the library supports, but networkd currently does not).
diff --git a/src/libsystemd-network/sd-dhcp-client.c b/src/libsystemd-network/sd-dhcp-client.c
index 65e888a..5f90617 100644
--- a/src/libsystemd-network/sd-dhcp-client.c
+++ b/src/libsystemd-network/sd-dhcp-client.c
@@ -36,9 +36,10 @@
#include "dhcp-protocol.h"
#include "dhcp-internal.h"
#include "dhcp-lease-internal.h"
+#include "dhcp-identifier.h"
#include "sd-dhcp-client.h"
-#define MAX_CLIENT_ID_LEN 64 /* Arbitrary limit */
+#define MAX_CLIENT_ID_LEN (sizeof(uint32_t) + MAX_DUID_LEN) /* Arbitrary limit */
#define MAX_MAC_ADDR_LEN INFINIBAND_ALEN
struct sd_dhcp_client {
@@ -60,29 +61,31 @@ struct sd_dhcp_client {
uint8_t mac_addr[MAX_MAC_ADDR_LEN];
size_t mac_addr_len;
uint16_t arp_type;
- union {
- struct {
- uint8_t type; /* 0: Generic (non-LL) (RFC 2132) */
- uint8_t data[MAX_CLIENT_ID_LEN];
- } _packed_ gen;
- struct {
- uint8_t type; /* 1: Ethernet Link-Layer (RFC 2132) */
- uint8_t haddr[ETH_ALEN];
- } _packed_ eth;
- struct {
- uint8_t type; /* 2 - 254: ARP/Link-Layer (RFC 2132) */
- uint8_t haddr[0];
- } _packed_ ll;
- struct {
- uint8_t type; /* 255: Node-specific (RFC 4361) */
- uint8_t iaid[4];
- uint8_t duid[MAX_CLIENT_ID_LEN - 4];
- } _packed_ ns;
- struct {
- uint8_t type;
- uint8_t data[MAX_CLIENT_ID_LEN];
- } _packed_ raw;
- } client_id;
+ struct {
+ uint8_t type;
+ union {
+ struct {
+ /* 0: Generic (non-LL) (RFC 2132) */
+ uint8_t data[MAX_CLIENT_ID_LEN];
+ } _packed_ gen;
+ struct {
+ /* 1: Ethernet Link-Layer (RFC 2132) */
+ uint8_t haddr[ETH_ALEN];
+ } _packed_ eth;
+ struct {
+ /* 2 - 254: ARP/Link-Layer (RFC 2132) */
+ uint8_t haddr[0];
+ } _packed_ ll;
+ struct {
+ /* 255: Node-specific (RFC 4361) */
+ uint32_t iaid;
+ struct duid duid;
+ } _packed_ ns;
+ struct {
+ uint8_t data[MAX_CLIENT_ID_LEN];
+ } _packed_ raw;
+ };
+ } _packed_ client_id;
size_t client_id_len;
char *hostname;
char *vendor_class_identifier;
@@ -239,10 +242,9 @@ int sd_dhcp_client_get_client_id(sd_dhcp_client *client, uint8_t *type,
*data = NULL;
*data_len = 0;
if (client->client_id_len) {
- *type = client->client_id.raw.type;
+ *type = client->client_id.type;
*data = client->client_id.raw.data;
- *data_len = client->client_id_len -
- sizeof (client->client_id.raw.type);
+ *data_len = client->client_id_len - sizeof(client->client_id.type);
}
return 0;
@@ -270,8 +272,8 @@ int sd_dhcp_client_set_client_id(sd_dhcp_client *client, uint8_t type,
break;
}
- if (client->client_id_len == data_len + sizeof (client->client_id.raw.type) &&
- client->client_id.raw.type == type &&
+ if (client->client_id_len == data_len + sizeof(client->client_id.type) &&
+ client->client_id.type == type &&
memcmp(&client->client_id.raw.data, data, data_len) == 0)
return 0;
@@ -282,9 +284,9 @@ int sd_dhcp_client_set_client_id(sd_dhcp_client *client, uint8_t type,
client_stop(client, DHCP_EVENT_STOP);
}
- client->client_id.raw.type = type;
+ client->client_id.type = type;
memcpy(&client->client_id.raw.data, data, data_len);
- client->client_id_len = data_len + sizeof (client->client_id.raw.type);
+ client->client_id_len = data_len + sizeof (client->client_id.type);
if (need_restart && client->state != DHCP_STATE_STOPPED)
sd_dhcp_client_start(client);
@@ -461,12 +463,21 @@ static int client_message_init(sd_dhcp_client *client, DHCPPacket **ret,
if (client->arp_type == ARPHRD_ETHER)
memcpy(&packet->dhcp.chaddr, &client->mac_addr, ETH_ALEN);
- /* If no client identifier exists, construct one from an ethernet
- address if present */
- if (client->client_id_len == 0 && client->arp_type == ARPHRD_ETHER) {
- client->client_id.eth.type = ARPHRD_ETHER;
- memcpy(&client->client_id.eth.haddr, &client->mac_addr, ETH_ALEN);
- client->client_id_len = sizeof (client->client_id.eth);
+ /* If no client identifier exists, construct an RFC 4361-compliant one */
+ if (client->client_id_len == 0) {
+ size_t duid_len;
+
+ client->client_id.type = 255;
+
+ r = dhcp_identifier_set_iaid(client->index, client->mac_addr, client->mac_addr_len, &client->client_id.ns.iaid);
+ if (r < 0)
+ return r;
+
+ r = dhcp_identifier_set_duid_en(&client->client_id.ns.duid, &duid_len);
+ if (r < 0)
+ return r;
+
+ client->client_id_len = sizeof(client->client_id.type) + sizeof(client->client_id.ns.iaid) + duid_len;
}
/* Some DHCP servers will refuse to issue an DHCP lease if the Client
@@ -475,7 +486,7 @@ static int client_message_init(sd_dhcp_client *client, DHCPPacket **ret,
r = dhcp_option_append(&packet->dhcp, optlen, &optoffset, 0,
DHCP_OPTION_CLIENT_IDENTIFIER,
client->client_id_len,
- &client->client_id.raw);
+ &client->client_id);
if (r < 0)
return r;
}
@@ -1031,7 +1042,7 @@ static int client_handle_offer(sd_dhcp_client *client, DHCPMessage *offer,
if (client->client_id_len) {
r = dhcp_lease_set_client_id(lease,
- (uint8_t *) &client->client_id.raw,
+ (uint8_t *) &client->client_id,
client->client_id_len);
if (r < 0)
return r;
@@ -1098,7 +1109,7 @@ static int client_handle_ack(sd_dhcp_client *client, DHCPMessage *ack,
if (client->client_id_len) {
r = dhcp_lease_set_client_id(lease,
- (uint8_t *) &client->client_id.raw,
+ (uint8_t *) &client->client_id,
client->client_id_len);
if (r < 0)
return r;
diff --git a/src/libsystemd-network/test-dhcp-client.c b/src/libsystemd-network/test-dhcp-client.c
index 0515440..a3d69f3 100644
--- a/src/libsystemd-network/test-dhcp-client.c
+++ b/src/libsystemd-network/test-dhcp-client.c
@@ -32,17 +32,16 @@
#include "sd-event.h"
#include "event-util.h"
+#include "dhcp-identifier.h"
#include "dhcp-protocol.h"
#include "dhcp-internal.h"
#include "sd-dhcp-client.h"
-static struct ether_addr mac_addr = {
- .ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}
-};
+static uint8_t mac_addr[] = {'A', 'B', 'C', '1', '2', '3'};
typedef int (*test_callback_recv_t)(size_t size, DHCPMessage *dhcp);
-static bool verbose = false;
+static bool verbose = true;
static int test_fd[2];
static test_callback_recv_t callback_recv;
static be32_t xid;
@@ -136,10 +135,22 @@ static int check_options(uint8_t code, uint8_t len, const uint8_t *option,
{
switch(code) {
case DHCP_OPTION_CLIENT_IDENTIFIER:
- assert_se(len == 7);
- assert_se(option[0] == 0x01);
- assert_se(memcmp(&option[1], &mac_addr, ETH_ALEN) == 0);
+ {
+ uint32_t iaid;
+ struct duid duid;
+ size_t duid_len;
+
+ assert_se(dhcp_identifier_set_duid_en(&duid, &duid_len) >= 0);
+ assert_se(dhcp_identifier_set_iaid(42, mac_addr, ETH_ALEN, &iaid) >= 0);
+
+ assert_se(len == sizeof(uint8_t) + sizeof(uint32_t) + duid_len);
+ assert_se(len == 19);
+ assert_se(option[0] == 0xff);
+
+ assert_se(memcmp(&option[1], &iaid, sizeof(iaid)) == 0);
+ assert_se(memcmp(&option[5], &duid, duid_len) == 0);
break;
+ }
default:
break;
@@ -185,8 +196,7 @@ int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link,
assert_se(ip_check == 0xffff);
assert_se(discover->dhcp.xid);
- assert_se(memcmp(discover->dhcp.chaddr,
- &mac_addr.ether_addr_octet, 6) == 0);
+ assert_se(memcmp(discover->dhcp.chaddr, &mac_addr, ETH_ALEN) == 0);
size = len - sizeof(struct iphdr) - sizeof(struct udphdr);
@@ -246,10 +256,7 @@ 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,
- (const uint8_t *) &mac_addr,
- sizeof (mac_addr),
- ARPHRD_ETHER) >= 0);
+ assert_se(sd_dhcp_client_set_mac(client, mac_addr, ETH_ALEN, ARPHRD_ETHER) >= 0);
assert_se(sd_dhcp_client_set_request_option(client, 248) >= 0);
@@ -404,8 +411,7 @@ static int test_addr_acq_recv_request(size_t size, DHCPMessage *request) {
memcpy(&test_addr_acq_ack[26], &udp_check, sizeof(udp_check));
memcpy(&test_addr_acq_ack[32], &xid, sizeof(xid));
- memcpy(&test_addr_acq_ack[56], &mac_addr.ether_addr_octet,
- ETHER_ADDR_LEN);
+ memcpy(&test_addr_acq_ack[56], &mac_addr, ETHER_ADDR_LEN);
callback_recv = NULL;
@@ -436,8 +442,7 @@ static int test_addr_acq_recv_discover(size_t size, DHCPMessage *discover) {
memcpy(&test_addr_acq_offer[26], &udp_check, sizeof(udp_check));
memcpy(&test_addr_acq_offer[32], &xid, sizeof(xid));
- memcpy(&test_addr_acq_offer[56], &mac_addr.ether_addr_octet,
- ETHER_ADDR_LEN);
+ memcpy(&test_addr_acq_offer[56], &mac_addr, ETHER_ADDR_LEN);
callback_recv = test_addr_acq_recv_request;
@@ -467,10 +472,7 @@ 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,
- (const uint8_t *) &mac_addr,
- sizeof (mac_addr),
- ARPHRD_ETHER) >= 0);
+ assert_se(sd_dhcp_client_set_mac(client, mac_addr, ETH_ALEN, ARPHRD_ETHER) >= 0);
assert_se(sd_dhcp_client_set_callback(client, test_addr_acq_acquired, e)
>= 0);
--
cgit v0.10.2

10
core/systemd/PKGBUILD
View file

@ -3,11 +3,12 @@
# ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
# - disable optimization, currently breaks many things
# - v5: revert 5bac523 until the issue with it can be figured out
pkgbase=systemd
pkgname=('systemd' 'libsystemd' 'systemd-sysvcompat')
pkgver=219
pkgrel=5
pkgrel=5.1
arch=('i686' 'x86_64')
url="http://www.freedesktop.org/wiki/Software/systemd"
makedepends=('acl' 'cryptsetup' 'docbook-xsl' 'gobject-introspection' 'gperf'
@ -24,7 +25,8 @@ source=("http://www.freedesktop.org/software/$pkgname/$pkgname-$pkgver.tar.xz"
'0001-core-shared-in-deserializing-match-same-files-reache.patch'
'0001-tmpfiles-Fix-handling-of-duplicate-lines.patch'
'0001-core-do-not-spawn-jobs-or-touch-other-units-during-c.patch'
'0001-use-x-machine-unix-prefix-for-the-container-bus-on-dbus1.patch')
'0001-use-x-machine-unix-prefix-for-the-container-bus-on-dbus1.patch'
'5bac5235934fabe5a3e6a9d47f4812f81034c427.patch')
md5sums=('e0d6c9a4b4f69f66932d2230298c9a34'
'90ea67a7bb237502094914622a39e281'
'58af51bd4c0464f195b3433b4e17cf6c'
@ -34,7 +36,8 @@ md5sums=('e0d6c9a4b4f69f66932d2230298c9a34'
'9d46aebfc04cc849fd4295f449b239a2'
'c4c9c0f0a06314450563ed571962881e'
'6b9d611dffd92c94641360c3ef2659c1'
'3a0fc672b34ced18ca1364edf8644165')
'3a0fc672b34ced18ca1364edf8644165'
'a168ea8a805ee16c1dd1cfe6f5893558')
prepare() {
cd "$pkgname-$pkgver"
@ -45,6 +48,7 @@ prepare() {
patch -Np1 <../0001-tmpfiles-Fix-handling-of-duplicate-lines.patch
patch -Np1 <../0001-core-do-not-spawn-jobs-or-touch-other-units-during-c.patch
patch -Np1 <../0001-use-x-machine-unix-prefix-for-the-container-bus-on-dbus1.patch
[[ $CARCH == "arm" ]] && patch -Rp1 -i ../5bac5235934fabe5a3e6a9d47f4812f81034c427.patch
}
build() {