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-rw-r--r--src/network/networkd-conf.c155
-rw-r--r--src/network/networkd-conf.h36
-rw-r--r--src/network/networkd-dhcp4.c16
-rw-r--r--src/network/networkd-dhcp6.c17
-rw-r--r--src/network/networkd-gperf.gperf18
-rw-r--r--src/network/networkd-link.c33
-rw-r--r--src/network/networkd-manager.c2
-rw-r--r--src/network/networkd-network-gperf.gperf4
-rw-r--r--src/network/networkd-network.c2
-rw-r--r--src/network/networkd-network.h8
-rw-r--r--src/network/networkd.c5
-rw-r--r--src/network/networkd.h8
12 files changed, 303 insertions, 1 deletions
diff --git a/src/network/networkd-conf.c b/src/network/networkd-conf.c
new file mode 100644
index 0000000000..8b149124b3
--- /dev/null
+++ b/src/network/networkd-conf.c
@@ -0,0 +1,155 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Vinay Kulkarni <kulkarniv@vmware.com>
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+ ***/
+
+#include <ctype.h>
+
+#include "conf-parser.h"
+#include "def.h"
+#include "dhcp-identifier.h"
+#include "networkd-conf.h"
+#include "string-table.h"
+
+int manager_parse_config_file(Manager *m) {
+ assert(m);
+
+ return config_parse_many(PKGSYSCONFDIR "/networkd.conf",
+ CONF_PATHS_NULSTR("systemd/networkd.conf.d"),
+ "DUID\0",
+ config_item_perf_lookup, networkd_gperf_lookup,
+ false, m);
+}
+
+static const char* const duid_type_table[_DUID_TYPE_MAX] = {
+ [DUID_TYPE_RAW] = "raw",
+ [DUID_TYPE_LLT] = "link-layer-time",
+ [DUID_TYPE_EN] = "vendor",
+ [DUID_TYPE_LL] = "link-layer",
+ [DUID_TYPE_UUID] = "uuid"
+};
+DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(duid_type, DUIDType);
+DEFINE_CONFIG_PARSE_ENUM(config_parse_duid_type, duid_type, DUIDType, "Failed to parse DUID type");
+
+int config_parse_duid_rawdata(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+ int r;
+ long byte;
+ char *cbyte, *pnext;
+ const char *pduid = rvalue;
+ size_t count = 0, duid_index = 0;
+ Manager *m;
+ Network *n;
+ DUIDType *duid_type;
+ uint16_t *dhcp_duid_type;
+ size_t *dhcp_duid_len;
+ uint8_t *dhcp_duid;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(userdata);
+
+ if (ltype == DUID_CONFIG_SOURCE_GLOBAL) {
+ m = userdata;
+ duid_type = &m->duid_type;
+ dhcp_duid_type = &m->dhcp_duid_type;
+ dhcp_duid_len = &m->dhcp_duid_len;
+ dhcp_duid = m->dhcp_duid;
+ } else {
+ /* DUID_CONFIG_SOURCE_NETWORK */
+ n = userdata;
+ duid_type = &n->duid_type;
+ dhcp_duid_type = &n->dhcp_duid_type;
+ dhcp_duid_len = &n->dhcp_duid_len;
+ dhcp_duid = n->dhcp_duid;
+ }
+
+ if (*duid_type == _DUID_TYPE_INVALID)
+ *duid_type = DUID_TYPE_RAW;
+
+ switch (*duid_type) {
+ case DUID_TYPE_LLT:
+ /* RawData contains DUID-LLT link-layer address (offset 6) */
+ duid_index = 6;
+ break;
+ case DUID_TYPE_EN:
+ /* RawData contains DUID-EN identifier (offset 4) */
+ duid_index = 4;
+ break;
+ case DUID_TYPE_LL:
+ /* RawData contains DUID-LL link-layer address (offset 2) */
+ duid_index = 2;
+ break;
+ case DUID_TYPE_UUID:
+ /* RawData specifies UUID (offset 0) - fall thru */
+ case DUID_TYPE_RAW:
+ /* First two bytes of RawData is DUID Type - fall thru */
+ default:
+ break;
+ }
+
+ if (*duid_type != DUID_TYPE_RAW)
+ *dhcp_duid_type = (uint16_t)(*duid_type);
+
+ /* RawData contains DUID in format " NN:NN:NN... " */
+ while (true) {
+ r = extract_first_word(&pduid, &cbyte, ":", 0);
+ if (r < 0) {
+ log_error("Failed to read DUID.");
+ return -EINVAL;
+ }
+ if (r == 0)
+ break;
+ if (duid_index >= MAX_DUID_LEN) {
+ log_error("DUID length exceeds maximum length.");
+ return -EINVAL;
+ }
+
+ errno = 0;
+ byte = strtol(cbyte, &pnext, 16);
+ if ((errno == ERANGE && (byte == LONG_MAX || byte == LONG_MIN))
+ || (errno != 0 && byte == 0) || (cbyte == pnext)) {
+ log_error("Invalid DUID byte: %s.", cbyte);
+ return -EINVAL;
+ }
+
+ /* If DUID_TYPE_RAW, first two bytes hold DHCP DUID type code */
+ if ((*duid_type == DUID_TYPE_RAW) && (count < 2)) {
+ *dhcp_duid_type |= (byte << (8 * (1 - count)));
+ count++;
+ continue;
+ }
+
+ dhcp_duid[duid_index++] = byte;
+ }
+
+ *dhcp_duid_len = duid_index;
+
+ return 0;
+}
diff --git a/src/network/networkd-conf.h b/src/network/networkd-conf.h
new file mode 100644
index 0000000000..efc370f839
--- /dev/null
+++ b/src/network/networkd-conf.h
@@ -0,0 +1,36 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Vinay Kulkarni <kulkarniv@vmware.com>
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "networkd.h"
+
+typedef enum DuidConfigSource {
+ DUID_CONFIG_SOURCE_GLOBAL = 0,
+ DUID_CONFIG_SOURCE_NETWORK,
+} DuidConfigSource;
+
+int manager_parse_config_file(Manager *m);
+
+const struct ConfigPerfItem* networkd_gperf_lookup(const char *key, unsigned length);
+
+int config_parse_duid_type(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+int config_parse_duid_rawdata(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
diff --git a/src/network/networkd-dhcp4.c b/src/network/networkd-dhcp4.c
index 68998eabf2..0589ebf227 100644
--- a/src/network/networkd-dhcp4.c
+++ b/src/network/networkd-dhcp4.c
@@ -625,7 +625,21 @@ int dhcp4_configure(Link *link) {
switch (link->network->dhcp_client_identifier) {
case DHCP_CLIENT_ID_DUID:
- /* Library defaults to this. */
+ /* If configured, apply user specified DUID and/or IAID */
+ if (link->network->duid_type != _DUID_TYPE_INVALID)
+ r = sd_dhcp_client_set_iaid_duid(link->dhcp_client,
+ link->network->iaid,
+ link->network->dhcp_duid_type,
+ link->network->dhcp_duid,
+ link->network->dhcp_duid_len);
+ else
+ r = sd_dhcp_client_set_iaid_duid(link->dhcp_client,
+ link->network->iaid,
+ link->manager->dhcp_duid_type,
+ link->manager->dhcp_duid,
+ link->manager->dhcp_duid_len);
+ if (r < 0)
+ return r;
break;
case DHCP_CLIENT_ID_MAC:
r = sd_dhcp_client_set_client_id(link->dhcp_client,
diff --git a/src/network/networkd-dhcp6.c b/src/network/networkd-dhcp6.c
index 5f7a005c36..d4b2fbfc57 100644
--- a/src/network/networkd-dhcp6.c
+++ b/src/network/networkd-dhcp6.c
@@ -230,6 +230,23 @@ int dhcp6_configure(Link *link) {
if (r < 0)
goto error;
+ r = sd_dhcp6_client_set_iaid(client, link->network->iaid);
+ if (r < 0)
+ goto error;
+
+ if (link->network->duid_type != _DUID_TYPE_INVALID)
+ r = sd_dhcp6_client_set_duid(client,
+ link->network->dhcp_duid_type,
+ link->network->dhcp_duid,
+ link->network->dhcp_duid_len);
+ else
+ r = sd_dhcp6_client_set_duid(client,
+ link->manager->dhcp_duid_type,
+ link->manager->dhcp_duid,
+ link->manager->dhcp_duid_len);
+ if (r < 0)
+ goto error;
+
r = sd_dhcp6_client_set_index(client, link->ifindex);
if (r < 0)
goto error;
diff --git a/src/network/networkd-gperf.gperf b/src/network/networkd-gperf.gperf
new file mode 100644
index 0000000000..0625fb335b
--- /dev/null
+++ b/src/network/networkd-gperf.gperf
@@ -0,0 +1,18 @@
+%{
+#include <stddef.h>
+#include "conf-parser.h"
+#include "networkd-conf.h"
+%}
+struct ConfigPerfItem;
+%null_strings
+%language=ANSI-C
+%define slot-name section_and_lvalue
+%define hash-function-name networkd_gperf_hash
+%define lookup-function-name networkd_gperf_lookup
+%readonly-tables
+%omit-struct-type
+%struct-type
+%includes
+%%
+DUID.Type, config_parse_duid_type, 0, offsetof(Manager, duid_type)
+DUID.RawData, config_parse_duid_rawdata, DUID_CONFIG_SOURCE_GLOBAL, offsetof(Manager, dhcp_duid)
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index ae3bac217b..88b3cbe90a 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -2780,6 +2780,21 @@ int link_update(Link *link, sd_netlink_message *m) {
ARPHRD_ETHER);
if (r < 0)
return log_link_warning_errno(link, r, "Could not update MAC address in DHCP client: %m");
+
+ if (link->network->duid_type != _DUID_TYPE_INVALID)
+ r = sd_dhcp_client_set_iaid_duid(link->dhcp_client,
+ link->network->iaid,
+ link->network->dhcp_duid_type,
+ link->network->dhcp_duid,
+ link->network->dhcp_duid_len);
+ else
+ r = sd_dhcp_client_set_iaid_duid(link->dhcp_client,
+ link->network->iaid,
+ link->manager->dhcp_duid_type,
+ link->manager->dhcp_duid,
+ link->manager->dhcp_duid_len);
+ if (r < 0)
+ return log_link_warning_errno(link, r, "Could not update DUID/IAID in DHCP client: %m");
}
if (link->dhcp6_client) {
@@ -2789,6 +2804,24 @@ int link_update(Link *link, sd_netlink_message *m) {
ARPHRD_ETHER);
if (r < 0)
return log_link_warning_errno(link, r, "Could not update MAC address in DHCPv6 client: %m");
+
+ r = sd_dhcp6_client_set_iaid(link->dhcp6_client,
+ link->network->iaid);
+ if (r < 0)
+ return log_link_warning_errno(link, r, "Could not update DHCPv6 IAID: %m");
+
+ if (link->network->duid_type != _DUID_TYPE_INVALID)
+ r = sd_dhcp6_client_set_duid(link->dhcp6_client,
+ link->network->dhcp_duid_type,
+ link->network->dhcp_duid,
+ link->network->dhcp_duid_len);
+ else
+ r = sd_dhcp6_client_set_duid(link->dhcp6_client,
+ link->manager->dhcp_duid_type,
+ link->manager->dhcp_duid,
+ link->manager->dhcp_duid_len);
+ if (r < 0)
+ return log_link_warning_errno(link, r, "Could not update DHCPv6 DUID: %m");
}
}
}
diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c
index b8cb7f875d..d355aaa19c 100644
--- a/src/network/networkd-manager.c
+++ b/src/network/networkd-manager.c
@@ -1037,6 +1037,8 @@ int manager_new(Manager **ret) {
if (r < 0)
return r;
+ m->duid_type = _DUID_TYPE_INVALID;
+
*ret = m;
m = NULL;
diff --git a/src/network/networkd-network-gperf.gperf b/src/network/networkd-network-gperf.gperf
index a5d1714293..9793938080 100644
--- a/src/network/networkd-network-gperf.gperf
+++ b/src/network/networkd-network-gperf.gperf
@@ -2,6 +2,7 @@
#include <stddef.h>
#include "conf-parser.h"
#include "networkd.h"
+#include "networkd-conf.h"
#include "network-internal.h"
%}
struct ConfigPerfItem;
@@ -26,6 +27,9 @@ Match.KernelCommandLine, config_parse_net_condition,
Match.Architecture, config_parse_net_condition, CONDITION_ARCHITECTURE, offsetof(Network, match_arch)
Link.MACAddress, config_parse_hwaddr, 0, offsetof(Network, mac)
Link.MTUBytes, config_parse_iec_size, 0, offsetof(Network, mtu)
+Link.IAID, config_parse_iaid, 0, offsetof(Network, iaid)
+DUID.Type, config_parse_duid_type, 0, offsetof(Network, duid_type)
+DUID.RawData, config_parse_duid_rawdata, DUID_CONFIG_SOURCE_NETWORK, offsetof(Network, dhcp_duid)
Network.Description, config_parse_string, 0, offsetof(Network, description)
Network.Bridge, config_parse_netdev, 0, offsetof(Network, bridge)
Network.Bond, config_parse_netdev, 0, offsetof(Network, bond)
diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index 491b9a3efa..5946ba18dc 100644
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -131,10 +131,12 @@ static int network_load_one(Manager *manager, const char *filename) {
network->ipv6_accept_ra = -1;
network->ipv6_dad_transmits = -1;
network->ipv6_hop_limit = -1;
+ network->duid_type = _DUID_TYPE_INVALID;
r = config_parse(NULL, filename, file,
"Match\0"
"Link\0"
+ "DUID\0"
"Network\0"
"Address\0"
"Route\0"
diff --git a/src/network/networkd-network.h b/src/network/networkd-network.h
index 4a13e2b574..5400a8bc9d 100644
--- a/src/network/networkd-network.h
+++ b/src/network/networkd-network.h
@@ -24,6 +24,7 @@
typedef struct Network Network;
+#include "dhcp-identifier.h"
#include "networkd-address.h"
#include "networkd-fdb.h"
#include "networkd-netdev.h"
@@ -144,6 +145,13 @@ struct Network {
struct ether_addr *mac;
unsigned mtu;
+ uint32_t iaid;
+ /* Value of Type in [DUID] section */
+ DUIDType duid_type;
+ /* DUID type code - RFC 3315 */
+ uint16_t dhcp_duid_type;
+ size_t dhcp_duid_len;
+ uint8_t dhcp_duid[MAX_DUID_LEN];
LLDPMode lldp_mode; /* LLDP reception */
bool lldp_emit; /* LLDP transmission */
diff --git a/src/network/networkd.c b/src/network/networkd.c
index 3a2615e6fd..c8f81a2ca6 100644
--- a/src/network/networkd.c
+++ b/src/network/networkd.c
@@ -21,6 +21,7 @@
#include "capability-util.h"
#include "networkd.h"
+#include "networkd-conf.h"
#include "signal-util.h"
#include "user-util.h"
@@ -89,6 +90,10 @@ int main(int argc, char *argv[]) {
goto out;
}
+ r = manager_parse_config_file(m);
+ if (r < 0)
+ log_warning_errno(r, "Failed to parse configuration file: %m");
+
r = manager_load_config(m);
if (r < 0) {
log_error_errno(r, "Could not load configuration files: %m");
diff --git a/src/network/networkd.h b/src/network/networkd.h
index 6bdd8302a0..72a2438ac8 100644
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -31,6 +31,7 @@
typedef struct Manager Manager;
+#include "dhcp-identifier.h"
#include "networkd-address-pool.h"
#include "networkd-link.h"
#include "networkd-network.h"
@@ -61,6 +62,13 @@ struct Manager {
LIST_HEAD(AddressPool, address_pools);
usec_t network_dirs_ts_usec;
+
+ /* Value of Type in [DUID] section */
+ DUIDType duid_type;
+ /* DUID type code - RFC 3315 */
+ uint16_t dhcp_duid_type;
+ size_t dhcp_duid_len;
+ uint8_t dhcp_duid[MAX_DUID_LEN];
};
extern const char* const network_dirs[];
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-01 03:20:33 +0000