/* SPDX-License-Identifier: LGPL-2.1+ */
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-***/
#include <ctype.h>
#include <net/if.h>
if (r != 0)
return r;
- return y->line - x->line;
+ return CMP(x->line, y->line);
}
const struct hash_ops network_config_hash_ops = {
network->dhcp_client_identifier = DHCP_CLIENT_ID_MAC;
/* RFC 7844 3.10:
SHOULD NOT use the Vendor Class Identifier option */
- /* NOTE: it was not initiallized to any value in network_load_one. */
- network->dhcp_vendor_class_identifier = false;
+ network->dhcp_vendor_class_identifier = mfree(network->dhcp_vendor_class_identifier);
/* RFC7844 section 3.6.:
The client intending to protect its privacy SHOULD only request a
minimal number of options in the PRL and SHOULD also randomly shuffle
network->dhcp_use_timezone = false;
}
-static int network_load_one(Manager *manager, const char *filename) {
+int network_load_one(Manager *manager, const char *filename) {
_cleanup_(network_freep) Network *network = NULL;
_cleanup_fclose_ FILE *file = NULL;
char *d;
return 0;
}
- network = new0(Network, 1);
+ network = new(Network, 1);
if (!network)
return log_oom();
- network->manager = manager;
-
- LIST_HEAD_INIT(network->static_addresses);
- LIST_HEAD_INIT(network->static_routes);
- LIST_HEAD_INIT(network->static_fdb_entries);
- LIST_HEAD_INIT(network->ipv6_proxy_ndp_addresses);
- LIST_HEAD_INIT(network->address_labels);
- LIST_HEAD_INIT(network->static_prefixes);
- LIST_HEAD_INIT(network->rules);
-
- network->stacked_netdevs = hashmap_new(&string_hash_ops);
- if (!network->stacked_netdevs)
- return log_oom();
-
- network->addresses_by_section = hashmap_new(&network_config_hash_ops);
- if (!network->addresses_by_section)
- return log_oom();
-
- network->routes_by_section = hashmap_new(&network_config_hash_ops);
- if (!network->routes_by_section)
- return log_oom();
-
- network->fdb_entries_by_section = hashmap_new(NULL);
- if (!network->fdb_entries_by_section)
- return log_oom();
-
- network->address_labels_by_section = hashmap_new(&network_config_hash_ops);
- if (!network->address_labels_by_section)
- log_oom();
-
- network->prefixes_by_section = hashmap_new(&network_config_hash_ops);
- if (!network->prefixes_by_section)
- return log_oom();
-
- network->rules_by_section = hashmap_new(&network_config_hash_ops);
- if (!network->rules_by_section)
- return log_oom();
+ *network = (Network) {
+ .manager = manager,
+
+ .required_for_online = true,
+ .dhcp = ADDRESS_FAMILY_NO,
+ .dhcp_use_ntp = true,
+ .dhcp_use_dns = true,
+ .dhcp_use_hostname = true,
+ .dhcp_use_routes = true,
+ /* NOTE: this var might be overwriten by network_apply_anonymize_if_set */
+ .dhcp_send_hostname = true,
+ /* To enable/disable RFC7844 Anonymity Profiles */
+ .dhcp_anonymize = false,
+ .dhcp_route_metric = DHCP_ROUTE_METRIC,
+ /* NOTE: this var might be overwrite by network_apply_anonymize_if_set */
+ .dhcp_client_identifier = DHCP_CLIENT_ID_DUID,
+ .dhcp_route_table = RT_TABLE_MAIN,
+ .dhcp_route_table_set = false,
+ /* NOTE: from man: UseMTU=... Defaults to false*/
+ .dhcp_use_mtu = false,
+ /* NOTE: from man: UseTimezone=... Defaults to "no".*/
+ .dhcp_use_timezone = false,
+ .rapid_commit = true,
+
+ .dhcp_server_emit_dns = true,
+ .dhcp_server_emit_ntp = true,
+ .dhcp_server_emit_router = true,
+ .dhcp_server_emit_timezone = true,
+
+ .router_emit_dns = true,
+ .router_emit_domains = true,
+
+ .use_bpdu = -1,
+ .hairpin = -1,
+ .fast_leave = -1,
+ .allow_port_to_be_root = -1,
+ .unicast_flood = -1,
+ .priority = LINK_BRIDGE_PORT_PRIORITY_INVALID,
+
+ .lldp_mode = LLDP_MODE_ROUTERS_ONLY,
+
+ .llmnr = RESOLVE_SUPPORT_YES,
+ .mdns = RESOLVE_SUPPORT_NO,
+ .dnssec_mode = _DNSSEC_MODE_INVALID,
+ .dns_over_tls_mode = _DNS_OVER_TLS_MODE_INVALID,
+
+ .link_local = ADDRESS_FAMILY_IPV6,
+
+ .ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO,
+ .ipv6_accept_ra = -1,
+ .ipv6_dad_transmits = -1,
+ .ipv6_hop_limit = -1,
+ .ipv6_proxy_ndp = -1,
+ .duid.type = _DUID_TYPE_INVALID,
+ .proxy_arp = -1,
+ .arp = -1,
+ .multicast = -1,
+ .allmulticast = -1,
+ .ipv6_accept_ra_use_dns = true,
+ .ipv6_accept_ra_route_table = RT_TABLE_MAIN,
+ };
network->filename = strdup(filename);
if (!network->filename)
if (!d)
return -EINVAL;
- assert(streq(d, ".network"));
-
*d = '\0';
- network->required_for_online = true;
- network->dhcp = ADDRESS_FAMILY_NO;
- network->dhcp_use_ntp = true;
- network->dhcp_use_dns = true;
- network->dhcp_use_hostname = true;
- network->dhcp_use_routes = true;
- /* NOTE: this var might be overwriten by network_apply_anonymize_if_set */
- network->dhcp_send_hostname = true;
- /* To enable/disable RFC7844 Anonymity Profiles */
- network->dhcp_anonymize = false;
- network->dhcp_route_metric = DHCP_ROUTE_METRIC;
- /* NOTE: this var might be overwrite by network_apply_anonymize_if_set */
- network->dhcp_client_identifier = DHCP_CLIENT_ID_DUID;
- network->dhcp_route_table = RT_TABLE_MAIN;
- network->dhcp_route_table_set = false;
- /* NOTE: the following vars were not set to any default,
- * even if they are commented in the man?
- * These vars might be overwriten by network_apply_anonymize_if_set */
- network->dhcp_vendor_class_identifier = false;
- /* NOTE: from man: UseMTU=... Defaults to false*/
- network->dhcp_use_mtu = false;
- /* NOTE: from man: UseTimezone=... Defaults to "no".*/
- network->dhcp_use_timezone = false;
- network->rapid_commit = true;
-
- network->dhcp_server_emit_dns = true;
- network->dhcp_server_emit_ntp = true;
- network->dhcp_server_emit_router = true;
- network->dhcp_server_emit_timezone = true;
-
- network->router_emit_dns = true;
- network->router_emit_domains = true;
-
- network->use_bpdu = -1;
- network->hairpin = -1;
- network->fast_leave = -1;
- network->allow_port_to_be_root = -1;
- network->unicast_flood = -1;
- network->priority = LINK_BRIDGE_PORT_PRIORITY_INVALID;
-
- network->lldp_mode = LLDP_MODE_ROUTERS_ONLY;
-
- network->llmnr = RESOLVE_SUPPORT_YES;
- network->mdns = RESOLVE_SUPPORT_NO;
- network->dnssec_mode = _DNSSEC_MODE_INVALID;
-
- network->link_local = ADDRESS_FAMILY_IPV6;
-
- network->ipv6_privacy_extensions = IPV6_PRIVACY_EXTENSIONS_NO;
- network->ipv6_accept_ra = -1;
- network->ipv6_dad_transmits = -1;
- network->ipv6_hop_limit = -1;
- network->ipv6_proxy_ndp = -1;
- network->duid.type = _DUID_TYPE_INVALID;
- network->proxy_arp = -1;
- network->arp = -1;
- network->multicast = -1;
- network->allmulticast = -1;
- network->ipv6_accept_ra_use_dns = true;
- network->ipv6_accept_ra_route_table = RT_TABLE_MAIN;
- network->ipv6_mtu = 0;
-
dropin_dirname = strjoina(network->name, ".network.d");
r = config_parse_many(filename, network_dirs, dropin_dirname,
"BridgeFDB\0"
"BridgeVLAN\0"
"IPv6PrefixDelegation\0"
- "IPv6Prefix\0",
+ "IPv6Prefix\0"
+ "CAN\0",
config_item_perf_lookup, network_network_gperf_lookup,
CONFIG_PARSE_WARN, network);
if (r < 0)
if (network->ip_masquerade)
network->ip_forward |= ADDRESS_FAMILY_IPV4;
+ if (network->mtu > 0 && network->dhcp_use_mtu) {
+ log_warning("MTUBytes= in [Link] section and UseMTU= in [DHCP] section are set in %s. "
+ "Disabling UseMTU=.", filename);
+ network->dhcp_use_mtu = false;
+ }
+
LIST_PREPEND(networks, manager->networks, network);
r = hashmap_ensure_allocated(&manager->networks_by_name, &string_hash_ops);
AddressLabel *label;
Prefix *prefix;
Address *address;
- NetDev *netdev;
Route *route;
- Iterator i;
if (!network)
return;
strv_free(network->route_domains);
strv_free(network->bind_carrier);
+ strv_free(network->router_search_domains);
+ free(network->router_dns);
+
netdev_unref(network->bridge);
netdev_unref(network->bond);
netdev_unref(network->vrf);
- HASHMAP_FOREACH(netdev, network->stacked_netdevs, i) {
- hashmap_remove(network->stacked_netdevs, netdev->ifname);
- netdev_unref(netdev);
- }
- hashmap_free(network->stacked_netdevs);
+ hashmap_free_with_destructor(network->stacked_netdevs, netdev_unref);
while ((route = network->static_routes))
route_free(route);
if (network->manager->networks)
LIST_REMOVE(networks, network->manager->networks, network);
- if (network->manager->networks_by_name)
+ if (network->manager->networks_by_name && network->name)
hashmap_remove(network->manager->networks_by_name, network->name);
+
+ if (network->manager->duids_requesting_uuid)
+ set_remove(network->manager->duids_requesting_uuid, &network->duid);
}
free(network->name);
return 0;
}
-int network_get(Manager *manager, struct udev_device *device,
+int network_get(Manager *manager, sd_device *device,
const char *ifname, const struct ether_addr *address,
Network **ret) {
- Network *network;
- struct udev_device *parent;
const char *path = NULL, *parent_driver = NULL, *driver = NULL, *devtype = NULL;
+ sd_device *parent;
+ Network *network;
assert(manager);
assert(ret);
if (device) {
- path = udev_device_get_property_value(device, "ID_PATH");
+ (void) sd_device_get_property_value(device, "ID_PATH", &path);
- parent = udev_device_get_parent(device);
- if (parent)
- parent_driver = udev_device_get_driver(parent);
+ if (sd_device_get_parent(device, &parent) >= 0)
+ (void) sd_device_get_driver(parent, &parent_driver);
- driver = udev_device_get_property_value(device, "ID_NET_DRIVER");
+ (void) sd_device_get_property_value(device, "ID_NET_DRIVER", &driver);
- devtype = udev_device_get_devtype(device);
+ (void) sd_device_get_devtype(device, &devtype);
}
LIST_FOREACH(networks, network, manager->networks) {
const char *attr;
uint8_t name_assign_type = NET_NAME_UNKNOWN;
- attr = udev_device_get_sysattr_value(device, "name_assign_type");
- if (attr)
+ if (sd_device_get_sysattr_value(device, "name_assign_type", &attr) >= 0)
(void) safe_atou8(attr, &name_assign_type);
if (name_assign_type == NET_NAME_ENUM)
switch (kind) {
case NETDEV_KIND_BRIDGE:
+ network->bridge = netdev_unref(network->bridge);
network->bridge = netdev;
break;
case NETDEV_KIND_BOND:
+ network->bond = netdev_unref(network->bond);
network->bond = netdev;
break;
case NETDEV_KIND_VRF:
+ network->vrf = netdev_unref(network->vrf);
network->vrf = netdev;
break;
case NETDEV_KIND_IPVLAN:
case NETDEV_KIND_VXLAN:
case NETDEV_KIND_VCAN:
+ r = hashmap_ensure_allocated(&network->stacked_netdevs, &string_hash_ops);
+ if (r < 0)
+ return log_oom();
+
r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, r, "Cannot add NetDev '%s' to network: %m", rvalue);
return 0;
}
+ r = hashmap_ensure_allocated(&network->stacked_netdevs, &string_hash_ops);
+ if (r < 0)
+ return log_oom();
+
r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, r, "Cannot add VLAN '%s' to network, ignoring: %m", rvalue);
void *data,
void *userdata) {
- char **hostname = data, *hn = NULL;
+ _cleanup_free_ char *hn = NULL;
+ char **hostname = data;
int r;
assert(filename);
if (!hostname_is_valid(hn, false)) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Hostname is not valid, ignoring assignment: %s", rvalue);
- free(hn);
return 0;
}
- free(*hostname);
- *hostname = hostname_cleanup(hn);
- return 0;
+ r = dns_name_is_valid(hn);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to check validity of hostname '%s', ignoring assignment: %m", rvalue);
+ return 0;
+ }
+ if (r == 0) {
+ log_syntax(unit, LOG_ERR, filename, line, 0, "Hostname is not a valid DNS domain name, ignoring assignment: %s", rvalue);
+ return 0;
+ }
+
+ return free_and_replace(*hostname, hn);
}
int config_parse_timezone(
void *data,
void *userdata) {
- char **datap = data, *tz = NULL;
+ _cleanup_free_ char *tz = NULL;
+ char **datap = data;
int r;
assert(filename);
if (!timezone_is_valid(tz, LOG_ERR)) {
log_syntax(unit, LOG_ERR, filename, line, 0, "Timezone is not valid, ignoring assignment: %s", rvalue);
- free(tz);
return 0;
}
- free(*datap);
- *datap = tz;
-
- return 0;
+ return free_and_replace(*datap, tz);
}
int config_parse_dhcp_server_dns(
assert(rvalue);
for (;;) {
- _cleanup_free_ char *w = NULL;
- _cleanup_free_ char *idna = NULL;
+ _cleanup_free_ char *w = NULL, *idna = NULL;
r = extract_first_word(&p, &w, NULL, 0);
if (r == -ENOMEM)
break;
r = dns_name_apply_idna(w, &idna);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to apply IDNA to domain name '%s', ignoring: %m", w);
+ continue;
+ }
if (r > 0) {
r = strv_push(&n->router_search_domains, idna);
if (r >= 0)
idna = NULL;
- } else if (r == 0) {
+ } else {
r = strv_push(&n->router_search_domains, w);
if (r >= 0)
w = NULL;
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