/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2018 Red Hat, Inc.
*/
#include "src/core/nm-default-daemon.h"
#include <linux/if_ether.h>
#include <linux/if_infiniband.h>
#include "nm-core-internal.h"
#include "nm-initrd-generator.h"
#include "systemd/nm-sd-utils-shared.h"
/*****************************************************************************/
#define _NMLOG(level, domain, ...) \
nm_log((level), \
(domain), \
NULL, \
NULL, \
"cmdline-reader: " _NM_UTILS_MACRO_FIRST(__VA_ARGS__) \
_NM_UTILS_MACRO_REST(__VA_ARGS__))
/*****************************************************************************/
typedef struct {
GHashTable * hash;
GPtrArray * array;
GPtrArray * vlan_parents;
GHashTable * explicit_ip_connections;
NMConnection *bootdev_connection; /* connection for bootdev=$ifname */
NMConnection *default_connection; /* connection not bound to any ifname */
char * hostname;
/* Parameters to be set for all connections */
gboolean ignore_auto_dns;
int dhcp_timeout;
char * dhcp4_vci;
gint64 carrier_timeout_sec;
} Reader;
static Reader *
reader_new(void)
{
Reader *reader;
reader = g_slice_new(Reader);
*reader = (Reader){
.hash = g_hash_table_new_full(nm_str_hash, g_str_equal, g_free, g_object_unref),
.explicit_ip_connections =
g_hash_table_new_full(nm_direct_hash, NULL, g_object_unref, NULL),
.vlan_parents = g_ptr_array_new_with_free_func(g_free),
.array = g_ptr_array_new(),
};
return reader;
}
static GHashTable *
reader_destroy(Reader *reader, gboolean free_hash)
{
gs_unref_hashtable GHashTable *hash = NULL;
g_ptr_array_unref(reader->array);
g_ptr_array_unref(reader->vlan_parents);
g_hash_table_unref(reader->explicit_ip_connections);
hash = g_steal_pointer(&reader->hash);
nm_clear_g_free(&reader->hostname);
nm_clear_g_free(&reader->dhcp4_vci);
nm_g_slice_free(reader);
if (!free_hash)
return g_steal_pointer(&hash);
return NULL;
}
static NMConnection *
reader_add_connection(Reader *reader, const char *name, NMConnection *connection_take)
{
char *name_dup;
name_dup = g_strdup(name);
if (g_hash_table_insert(reader->hash, name_dup, connection_take))
g_ptr_array_add(reader->array, name_dup);
return connection_take;
}
/* Returns a new connection owned by the reader */
static NMConnection *
reader_create_connection(Reader * reader,
const char * basename,
const char * id,
const char * ifname,
const char * mac,
const char * type_name,
NMConnectionMultiConnect multi_connect)
{
NMConnection *connection;
NMSetting * setting;
connection = reader_add_connection(reader, basename, nm_simple_connection_new());
/* Start off assuming dynamic IP configurations. */
setting = nm_setting_ip4_config_new();
nm_connection_add_setting(connection, setting);
g_object_set(setting,
NM_SETTING_IP_CONFIG_METHOD,
NM_SETTING_IP4_CONFIG_METHOD_AUTO,
NM_SETTING_IP_CONFIG_MAY_FAIL,
TRUE,
NM_SETTING_IP_CONFIG_IGNORE_AUTO_DNS,
reader->ignore_auto_dns,
NM_SETTING_IP_CONFIG_DHCP_TIMEOUT,
reader->dhcp_timeout,
NM_SETTING_IP4_CONFIG_DHCP_VENDOR_CLASS_IDENTIFIER,
reader->dhcp4_vci,
NULL);
setting = nm_setting_ip6_config_new();
nm_connection_add_setting(connection, setting);
g_object_set(setting,
NM_SETTING_IP_CONFIG_METHOD,
NM_SETTING_IP4_CONFIG_METHOD_AUTO,
NM_SETTING_IP_CONFIG_MAY_FAIL,
TRUE,
NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE,
(int) NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE_EUI64,
NM_SETTING_IP_CONFIG_IGNORE_AUTO_DNS,
reader->ignore_auto_dns,
NM_SETTING_IP_CONFIG_DHCP_TIMEOUT,
reader->dhcp_timeout,
NULL);
setting = nm_setting_connection_new();
nm_connection_add_setting(connection, setting);
g_object_set(setting,
NM_SETTING_CONNECTION_ID,
id,
NM_SETTING_CONNECTION_UUID,
nm_utils_uuid_generate_a(),
NM_SETTING_CONNECTION_INTERFACE_NAME,
ifname,
NM_SETTING_CONNECTION_TYPE,
type_name,
NM_SETTING_CONNECTION_MULTI_CONNECT,
multi_connect,
NM_SETTING_CONNECTION_AUTOCONNECT_RETRIES,
1,
NULL);
if (nm_streq0(type_name, NM_SETTING_INFINIBAND_SETTING_NAME)) {
setting = nm_setting_infiniband_new();
nm_connection_add_setting(connection, setting);
g_object_set(setting, NM_SETTING_INFINIBAND_TRANSPORT_MODE, "datagram", NULL);
}
if (mac) {
if (nm_streq0(type_name, NM_SETTING_INFINIBAND_SETTING_NAME)) {
setting = (NMSetting *) nm_connection_get_setting_infiniband(connection);
g_object_set(setting, NM_SETTING_INFINIBAND_MAC_ADDRESS, mac, NULL);
} else {
setting = nm_setting_wired_new();
nm_connection_add_setting(connection, setting);
g_object_set(setting, NM_SETTING_WIRED_MAC_ADDRESS, mac, NULL);
}
}
return connection;
}
static NMConnection *
reader_get_default_connection(Reader *reader)
{
NMConnection *con;
if (!reader->default_connection) {
con = reader_create_connection(reader,
"default_connection",
"Wired Connection",
NULL,
NULL,
NM_SETTING_WIRED_SETTING_NAME,
NM_CONNECTION_MULTI_CONNECT_MULTIPLE);
nm_connection_add_setting(con, nm_setting_wired_new());
reader->default_connection = con;
}
return reader->default_connection;
}
static NMConnection *
reader_get_connection(Reader * reader,
const char *iface_spec,
const char *type_name,
gboolean create_if_missing)
{
NMConnection *connection = NULL;
NMSetting * setting;
const char * ifname = NULL;
gs_free char *mac = NULL;
if (iface_spec) {
if (nm_utils_is_valid_iface_name(iface_spec, NULL))
ifname = iface_spec;
else {
mac = nm_utils_hwaddr_canonical(iface_spec, -1);
if (!mac)
_LOGW(LOGD_CORE, "invalid interface '%s'", iface_spec);
}
}
if (!ifname && !mac) {
NMConnection * candidate;
NMSettingConnection *s_con;
guint i;
/*
* If ifname was not given, we'll match the connection by type.
* If the type was not given either, then we're happy with any connection but slaves.
* This is so that things like "bond=bond0:eth1,eth2 nameserver=1.3.3.7 end up
* slapping the nameserver to the most reasonable connection (bond0).
*/
for (i = 0; i < reader->array->len; i++) {
candidate = g_hash_table_lookup(reader->hash, reader->array->pdata[i]);
s_con = nm_connection_get_setting_connection(candidate);
if (type_name == NULL && nm_setting_connection_get_master(s_con) == NULL) {
connection = candidate;
break;
}
if (type_name != NULL
&& nm_streq(nm_setting_connection_get_connection_type(s_con), type_name)) {
connection = candidate;
break;
}
}
} else
connection = g_hash_table_lookup(reader->hash, (gpointer) ifname ?: mac);
if (!connection) {
if (!create_if_missing)
return NULL;
if (!type_name) {
if (NM_STR_HAS_PREFIX(ifname, "ib")
|| (mac && nm_utils_hwaddr_valid(mac, INFINIBAND_ALEN)))
type_name = NM_SETTING_INFINIBAND_SETTING_NAME;
else
type_name = NM_SETTING_WIRED_SETTING_NAME;
}
connection = reader_create_connection(reader,
ifname ?: mac,
ifname ?: (mac ?: "Wired Connection"),
ifname,
mac,
type_name,
NM_CONNECTION_MULTI_CONNECT_SINGLE);
}
setting = (NMSetting *) nm_connection_get_setting_connection(connection);
if (type_name) {
g_object_set(setting, NM_SETTING_CONNECTION_TYPE, type_name, NULL);
if (!nm_connection_get_setting_by_name(connection, type_name)) {
setting = g_object_new(nm_setting_lookup_type(type_name), NULL);
nm_connection_add_setting(connection, setting);
}
}
return connection;
}
static char *
get_word(char **argument, const char separator)
{
char *word;
int nest = 0;
if (*argument == NULL)
return NULL;
if (**argument == '[') {
nest++;
(*argument)++;
}
word = *argument;
while (**argument != '\0') {
if (nest && **argument == ']') {
**argument = '\0';
(*argument)++;
nest--;
continue;
}
if (nest == 0 && **argument == separator) {
**argument = '\0';
(*argument)++;
break;
}
(*argument)++;
}
return *word ? word : NULL;
}
static void
connection_set(NMConnection *connection,
const char * setting_name,
const char * property,
const char * value)
{
NMSetting * setting;
GType setting_type;
nm_auto_unref_gtypeclass GObjectClass *object_class = NULL;
GParamSpec * spec;
setting_type = nm_setting_lookup_type(setting_name);
object_class = g_type_class_ref(setting_type);
spec = g_object_class_find_property(object_class, property);
nm_assert(spec);
setting = nm_connection_get_setting_by_name(connection, setting_name);
if (!setting) {
setting = g_object_new(setting_type, NULL);
nm_connection_add_setting(connection, setting);
}
if (G_IS_PARAM_SPEC_UINT(spec)) {
guint v;
v = _nm_utils_ascii_str_to_int64(value, 10, 0, G_MAXUINT, 0);
if (errno || !nm_g_object_set_property_uint(G_OBJECT(setting), property, v, NULL)) {
_LOGW(LOGD_CORE,
"Could not set property '%s.%s' to '%s'",
setting_name,
property,
value);
}
} else if (G_IS_PARAM_SPEC_STRING(spec))
g_object_set(setting, property, value, NULL);
else
_LOGW(LOGD_CORE, "Don't know how to set '%s' of %s", property, setting_name);
}
static void
reader_read_all_connections_from_fw(Reader *reader, const char *sysfs_dir)
{
gs_unref_hashtable GHashTable *ibft = NULL;
NMConnection * dt_connection;
const char * mac;
GHashTable * nic;
const char * index;
GError * error = NULL;
guint i, length;
gs_free const char ** keys = NULL;
ibft = nmi_ibft_read(sysfs_dir);
keys = nm_utils_strdict_get_keys(ibft, TRUE, &length);
for (i = 0; i < length; i++) {
gs_unref_object NMConnection *connection = NULL;
gs_free char * name = NULL;
mac = keys[i];
nic = g_hash_table_lookup(ibft, mac);
connection = nm_simple_connection_new();
index = g_hash_table_lookup(nic, "index");
if (!index) {
_LOGW(LOGD_CORE, "Ignoring an iBFT entry without an index");
continue;
}
if (!nmi_ibft_update_connection_from_nic(connection, nic, &error)) {
_LOGW(LOGD_CORE, "Unable to merge iBFT configuration: %s", error->message);
g_error_free(error);
continue;
}
name = g_strdup_printf("ibft%s", index);
reader_add_connection(reader, name, g_steal_pointer(&connection));
}
dt_connection = nmi_dt_reader_parse(sysfs_dir);
if (dt_connection)
reader_add_connection(reader, "ofw", dt_connection);
}
static void
reader_parse_ip(Reader *reader, const char *sysfs_dir, char *argument)
{
NMConnection * connection;
NMSettingIPConfig *s_ip4 = NULL, *s_ip6 = NULL;
gs_unref_hashtable GHashTable *ibft = NULL;
const char * tmp;
const char * tmp2;
const char * kind = NULL;
const char * client_ip = NULL;
const char * peer = NULL;
const char * gateway_ip = NULL;
const char * netmask = NULL;
const char * client_hostname = NULL;
const char * iface_spec = NULL;
const char * mtu = NULL;
const char * macaddr = NULL;
int client_ip_family = AF_UNSPEC;
int client_ip_prefix = -1;
const char * dns[2] = {
0,
};
int dns_addr_family[2] = {
0,
};
int i;
GError *error = NULL;
if (!*argument)
return;
tmp = get_word(&argument, ':');
if (!*argument) {
/* ip={dhcp|on|any|dhcp6|auto6|link6|ibft} */
kind = tmp;
} else {
tmp2 = get_word(&argument, ':');
if (NM_IN_STRSET(tmp2,
"none",
"off",
"dhcp",
"on"
"any",
"dhcp6",
"auto",
"auto6",
"link6",
"ibft")) {
/* <ifname>:{none|off|dhcp|on|any|dhcp6|auto|auto6|link6|ibft} */
iface_spec = tmp;
kind = tmp2;
} else {
/* <client-IP>:[<peer>]:<gateway-IP>:<netmask>:<client_hostname>:<kind> */
client_ip = tmp;
if (client_ip) {
client_ip_family = get_ip_address_family(client_ip, TRUE);
if (client_ip_family == AF_UNSPEC) {
_LOGW(LOGD_CORE, "Invalid IP address '%s'.", client_ip);
return;
}
}
peer = tmp2;
gateway_ip = get_word(&argument, ':');
netmask = get_word(&argument, ':');
client_hostname = get_word(&argument, ':');
iface_spec = get_word(&argument, ':');
kind = get_word(&argument, ':');
}
if (client_hostname && !nm_sd_hostname_is_valid(client_hostname, FALSE))
client_hostname = NULL;
if (client_hostname) {
g_free(reader->hostname);
reader->hostname = g_strdup(client_hostname);
}
tmp = get_word(&argument, ':');
dns_addr_family[0] = get_ip_address_family(tmp, FALSE);
if (dns_addr_family[0] != AF_UNSPEC) {
dns[0] = tmp;
dns[1] = get_word(&argument, ':');
dns_addr_family[1] = get_ip_address_family(dns[1], FALSE);
if (*argument)
_LOGW(LOGD_CORE, "Ignoring extra: '%s'.", argument);
} else {
mtu = tmp;
macaddr = argument;
}
}
if (iface_spec == NULL && NM_IN_STRSET(kind, "fw", "ibft")) {
reader_read_all_connections_from_fw(reader, sysfs_dir);
return;
}
/* Parsing done, construct the NMConnection. */
if (iface_spec)
connection = reader_get_connection(reader, iface_spec, NULL, TRUE);
else
connection = reader_get_default_connection(reader);
g_hash_table_add(reader->explicit_ip_connections, g_object_ref(connection));
s_ip4 = nm_connection_get_setting_ip4_config(connection);
s_ip6 = nm_connection_get_setting_ip6_config(connection);
if (netmask && *netmask) {
gboolean is_ipv4 = client_ip_family == AF_INET;
NMIPAddr addr;
if (is_ipv4 && nm_utils_parse_inaddr_bin(AF_INET, netmask, NULL, &addr))
client_ip_prefix = nm_utils_ip4_netmask_to_prefix(addr.addr4);
else
client_ip_prefix = _nm_utils_ascii_str_to_int64(netmask, 10, 0, is_ipv4 ? 32 : 128, -1);
if (client_ip_prefix == -1)
_LOGW(LOGD_CORE, "Invalid IP mask: %s", netmask);
}
/* Static IP configuration might be present. */
if (client_ip && *client_ip) {
NMIPAddress *address = NULL;
NMIPAddr addr;
if (nm_utils_parse_inaddr_prefix_bin(client_ip_family,
client_ip,
NULL,
&addr,
client_ip_prefix == -1 ? &client_ip_prefix : NULL)) {
if (client_ip_prefix == -1) {
switch (client_ip_family) {
case AF_INET:
client_ip_prefix = _nm_utils_ip4_get_default_prefix(addr.addr4);
break;
case AF_INET6:
client_ip_prefix = 64;
break;
}
}
address = nm_ip_address_new_binary(client_ip_family,
&addr.addr_ptr,
client_ip_prefix,
&error);
if (!address) {
_LOGW(LOGD_CORE, "Invalid address '%s': %s", client_ip, error->message);
g_clear_error(&error);
}
} else
nm_assert_not_reached();
if (address) {
switch (client_ip_family) {
case AF_INET:
g_object_set(s_ip4,
NM_SETTING_IP_CONFIG_METHOD,
NM_SETTING_IP4_CONFIG_METHOD_MANUAL,
NM_SETTING_IP_CONFIG_MAY_FAIL,
FALSE,
NULL);
nm_setting_ip_config_add_address(s_ip4, address);
break;
case AF_INET6:
g_object_set(s_ip6,
NM_SETTING_IP_CONFIG_METHOD,
NM_SETTING_IP4_CONFIG_METHOD_MANUAL,
NM_SETTING_IP_CONFIG_MAY_FAIL,
FALSE,
NULL);
nm_setting_ip_config_add_address(s_ip6, address);
break;
default:
nm_assert_not_reached();
break;
}
nm_ip_address_unref(address);
}
}
/* Dynamic IP configuration configured explicitly. */
if (NM_IN_STRSET(kind, "none", "off")) {
if (nm_setting_ip_config_get_num_addresses(s_ip6) == 0) {
g_object_set(s_ip6,
NM_SETTING_IP_CONFIG_METHOD,
NM_SETTING_IP6_CONFIG_METHOD_DISABLED,
NULL);
}
if (nm_setting_ip_config_get_num_addresses(s_ip4) == 0) {
g_object_set(s_ip4,
NM_SETTING_IP_CONFIG_METHOD,
NM_SETTING_IP4_CONFIG_METHOD_DISABLED,
NULL);
}
} else if (nm_streq0(kind, "dhcp")) {
g_object_set(s_ip4,
NM_SETTING_IP_CONFIG_METHOD,
NM_SETTING_IP4_CONFIG_METHOD_AUTO,
NM_SETTING_IP_CONFIG_MAY_FAIL,
FALSE,
NULL);
if (nm_setting_ip_config_get_num_addresses(s_ip6) == 0) {
g_object_set(s_ip6,
NM_SETTING_IP_CONFIG_METHOD,
NM_SETTING_IP6_CONFIG_METHOD_AUTO,
NULL);
}
} else if (NM_IN_STRSET(kind, "auto6", "dhcp6")) {
g_object_set(s_ip4, NM_SETTING_IP_CONFIG_MAY_FAIL, FALSE, NULL);
if (nm_setting_ip_config_get_num_addresses(s_ip4) == 0) {
g_object_set(s_ip4,
NM_SETTING_IP_CONFIG_METHOD,
NM_SETTING_IP4_CONFIG_METHOD_DISABLED,
NULL);
}
} else if (nm_streq0(kind, "link6")) {
g_object_set(s_ip6,
NM_SETTING_IP_CONFIG_METHOD,
NM_SETTING_IP6_CONFIG_METHOD_LINK_LOCAL,
NM_SETTING_IP_CONFIG_MAY_FAIL,
FALSE,
NULL);
if (nm_setting_ip_config_get_num_addresses(s_ip4) == 0) {
g_object_set(s_ip4,
NM_SETTING_IP_CONFIG_METHOD,
NM_SETTING_IP4_CONFIG_METHOD_DISABLED,
NULL);
}
} else if (nm_streq0(kind, "ibft")) {
NMSettingWired *s_wired;
const char * mac = NULL;
const char * ifname;
gs_free char * mac_free = NULL;
gs_free char * address_path = NULL;
GHashTable * nic = NULL;
if ((s_wired = nm_connection_get_setting_wired(connection))
&& (mac = nm_setting_wired_get_mac_address(s_wired))) {
/* got mac from the connection */
} else if ((ifname = nm_connection_get_interface_name(connection))) {
/* read it from sysfs */
address_path = g_build_filename(sysfs_dir, "class", "net", ifname, "address", NULL);
if (g_file_get_contents(address_path, &mac_free, NULL, &error)) {
g_strchomp(mac_free);
mac = mac_free;
} else {
_LOGW(LOGD_CORE, "Can't get a MAC address for %s: %s", ifname, error->message);
g_clear_error(&error);
}
}
if (mac) {
gs_free char *mac_up = NULL;
mac_up = g_ascii_strup(mac, -1);
ibft = nmi_ibft_read(sysfs_dir);
nic = g_hash_table_lookup(ibft, mac_up);
if (!nic)
_LOGW(LOGD_CORE, "No iBFT NIC for %s (%s)", iface_spec, mac_up);
}
if (nic) {
if (!nmi_ibft_update_connection_from_nic(connection, nic, &error)) {
_LOGW(LOGD_CORE, "Unable to merge iBFT configuration: %s", error->message);
g_clear_error(&error);
}
}
}
if (peer && *peer)
_LOGW(LOGD_CORE, "Ignoring peer: %s (not implemented)\n", peer);
if (gateway_ip && *gateway_ip) {
switch (get_ip_address_family(gateway_ip, FALSE)) {
case AF_INET:
g_object_set(s_ip4, NM_SETTING_IP_CONFIG_GATEWAY, gateway_ip, NULL);
break;
case AF_INET6:
g_object_set(s_ip6, NM_SETTING_IP_CONFIG_GATEWAY, gateway_ip, NULL);
break;
default:
_LOGW(LOGD_CORE, "Invalid gateway: %s", gateway_ip);
break;
}
}
if (client_hostname && *client_hostname) {
g_object_set(s_ip4, NM_SETTING_IP_CONFIG_DHCP_HOSTNAME, client_hostname, NULL);
g_object_set(s_ip6, NM_SETTING_IP_CONFIG_DHCP_HOSTNAME, client_hostname, NULL);
}
for (i = 0; i < 2; i++) {
if (dns_addr_family[i] == AF_UNSPEC)
break;
if (nm_utils_ipaddr_is_valid(dns_addr_family[i], dns[i])) {
switch (dns_addr_family[i]) {
case AF_INET:
nm_setting_ip_config_add_dns(s_ip4, dns[i]);
break;
case AF_INET6:
nm_setting_ip_config_add_dns(s_ip6, dns[i]);
break;
default:
_LOGW(LOGD_CORE, "Unknown address family: %s", dns[i]);
break;
}
} else {
_LOGW(LOGD_CORE, "Invalid name server: %s", dns[i]);
}
}
if (mtu && *mtu)
connection_set(connection, NM_SETTING_WIRED_SETTING_NAME, NM_SETTING_WIRED_MTU, mtu);
if (macaddr && *macaddr)
connection_set(connection,
NM_SETTING_WIRED_SETTING_NAME,
NM_SETTING_WIRED_CLONED_MAC_ADDRESS,
macaddr);
}
static void
reader_parse_master(Reader *reader, char *argument, const char *type_name, const char *default_name)
{
NMConnection * connection;
NMSettingConnection *s_con;
gs_free char * master_to_free = NULL;
const char * master;
char * slaves;
const char * slave;
char * opts;
const char * mtu = NULL;
master = get_word(&argument, ':');
if (!master)
master = master_to_free = g_strdup_printf("%s0", default_name ?: type_name);
slaves = get_word(&argument, ':');
connection = reader_get_connection(reader, master, type_name, TRUE);
s_con = nm_connection_get_setting_connection(connection);
master = nm_setting_connection_get_uuid(s_con);
if (nm_streq(type_name, NM_SETTING_BRIDGE_SETTING_NAME)) {
NMSettingBridge *s_bridge = nm_connection_get_setting_bridge(connection);
/* Avoid the forwarding delay */
g_object_set(s_bridge, NM_SETTING_BRIDGE_STP, FALSE, NULL);
} else if (nm_streq(type_name, NM_SETTING_BOND_SETTING_NAME)) {
NMSettingBond *s_bond = nm_connection_get_setting_bond(connection);
opts = get_word(&argument, ':');
while (opts && *opts) {
gs_free_error GError *error = NULL;
char * opt;
const char * opt_name;
opt = get_word(&opts, ',');
opt_name = get_word(&opt, '=');
if (!_nm_setting_bond_validate_option(opt_name, opt, &error)) {
_LOGW(LOGD_CORE,
"Ignoring invalid bond option: %s%s%s = %s%s%s: %s",
NM_PRINT_FMT_QUOTE_STRING(opt_name),
NM_PRINT_FMT_QUOTE_STRING(opt),
error->message);
continue;
}
nm_setting_bond_add_option(s_bond, opt_name, opt);
}
mtu = get_word(&argument, ':');
}
do {
slave = get_word(&slaves, ',');
if (slave == NULL)
slave = "eth0";
connection = reader_get_connection(reader, slave, NULL, TRUE);
s_con = nm_connection_get_setting_connection(connection);
g_object_set(s_con,
NM_SETTING_CONNECTION_SLAVE_TYPE,
type_name,
NM_SETTING_CONNECTION_MASTER,
master,
NULL);
if (mtu)
connection_set(connection, NM_SETTING_WIRED_SETTING_NAME, NM_SETTING_WIRED_MTU, mtu);
} while (slaves && *slaves != '\0');
if (argument && *argument)
_LOGW(LOGD_CORE, "Ignoring extra: '%s'.", argument);
}
static void
reader_add_routes(Reader *reader, GPtrArray *array)
{
guint i;
for (i = 0; i < array->len; i++) {
NMConnection * connection = NULL;
const char * net;
const char * gateway;
const char * interface;
int family = AF_UNSPEC;
NMIPAddr net_addr = {};
NMIPAddr gateway_addr = {};
int net_prefix = -1;
NMIPRoute * route;
NMSettingIPConfig *s_ip;
char * argument;
gs_free_error GError *error = NULL;
argument = array->pdata[i];
net = get_word(&argument, ':');
gateway = get_word(&argument, ':');
interface = get_word(&argument, ':');
if (interface)
connection = reader_get_connection(reader, interface, NULL, TRUE);
if (!connection)
connection = reader->bootdev_connection;
if (!connection)
connection = reader_get_connection(reader, interface, NULL, FALSE);
if (!connection)
connection = reader_get_default_connection(reader);
if (net && *net) {
if (!nm_utils_parse_inaddr_prefix_bin(family, net, &family, &net_addr, &net_prefix)) {
_LOGW(LOGD_CORE, "Unrecognized address: %s", net);
continue;
}
}
if (gateway && *gateway) {
if (!nm_utils_parse_inaddr_bin(family, gateway, &family, &gateway_addr)) {
_LOGW(LOGD_CORE, "Unrecognized address: %s", gateway);
continue;
}
}
switch (family) {
case AF_INET:
s_ip = nm_connection_get_setting_ip4_config(connection);
if (net_prefix == -1)
net_prefix = 32;
break;
case AF_INET6:
s_ip = nm_connection_get_setting_ip6_config(connection);
if (net_prefix == -1)
net_prefix = 128;
break;
default:
_LOGW(LOGD_CORE, "Unknown address family: %s", net);
continue;
}
route = nm_ip_route_new_binary(family,
&net_addr.addr_ptr,
net_prefix,
&gateway_addr.addr_ptr,
-1,
&error);
if (!route) {
g_warning("Invalid route '%s via %s': %s\n", net, gateway, error->message);
continue;
}
nm_setting_ip_config_add_route(s_ip, route);
nm_ip_route_unref(route);
}
}
static void
reader_parse_vlan(Reader *reader, char *argument)
{
NMConnection * connection;
NMSettingVlan *s_vlan;
const char * vlan;
const char * phy;
const char * vlanid;
vlan = get_word(&argument, ':');
phy = get_word(&argument, ':');
for (vlanid = vlan + strlen(vlan); vlanid > vlan; vlanid--) {
if (!g_ascii_isdigit(*(vlanid - 1)))
break;
}
connection = reader_get_connection(reader, vlan, NM_SETTING_VLAN_SETTING_NAME, TRUE);
s_vlan = nm_connection_get_setting_vlan(connection);
g_object_set(s_vlan,
NM_SETTING_VLAN_PARENT,
phy,
NM_SETTING_VLAN_ID,
(guint) _nm_utils_ascii_str_to_int64(vlanid, 10, 0, G_MAXUINT, G_MAXUINT),
NULL);
if (argument && *argument)
_LOGW(LOGD_CORE, "Ignoring extra: '%s'.", argument);
if (!nm_strv_ptrarray_contains(reader->vlan_parents, phy))
g_ptr_array_add(reader->vlan_parents, g_strdup(phy));
}
static void
reader_parse_rd_znet(Reader *reader, char *argument, gboolean net_ifnames)
{
const char * nettype;
const char * subchannels[4] = {0, 0, 0, 0};
const char * tmp;
gs_free char * ifname = NULL;
const char * prefix;
NMConnection * connection;
NMSettingWired *s_wired;
static int count_ctc = 0;
static int count_eth = 0;
int index;
nettype = get_word(&argument, ',');
subchannels[0] = get_word(&argument, ',');
subchannels[1] = get_word(&argument, ',');
if (nm_streq0(nettype, "ctc")) {
if (net_ifnames == TRUE) {
prefix = "sl";
} else {
prefix = "ctc";
index = count_ctc++;
}
} else {
subchannels[2] = get_word(&argument, ',');
if (net_ifnames == TRUE) {
prefix = "en";
} else {
prefix = "eth";
index = count_eth++;
}
}
if (net_ifnames == TRUE) {
const char *bus_id;
size_t bus_id_len;
size_t bus_id_start;
/* The following logic is taken from names_ccw() in systemd/src/udev/udev-builtin-net_id.c */
bus_id = subchannels[0];
bus_id_len = strlen(bus_id);
bus_id_start = strspn(bus_id, ".0");
bus_id += bus_id_start < bus_id_len ? bus_id_start : bus_id_len - 1;
ifname = g_strdup_printf("%sc%s", prefix, bus_id);
} else {
ifname = g_strdup_printf("%s%d", prefix, index);
}
connection = reader_get_connection(reader, ifname, NM_SETTING_WIRED_SETTING_NAME, FALSE);
if (!connection)
return;
s_wired = nm_connection_get_setting_wired(connection);
g_object_set(s_wired,
NM_SETTING_WIRED_S390_NETTYPE,
nettype,
NM_SETTING_WIRED_S390_SUBCHANNELS,
&subchannels,
NULL);
while ((tmp = get_word(&argument, ',')) != NULL) {
char *val;
val = strchr(tmp, '=');
if (val) {
gs_free char *key = NULL;
key = g_strndup(tmp, val - tmp);
val[0] = '\0';
val++;
nm_setting_wired_add_s390_option(s_wired, key, val);
}
}
}
static void
_normalize_conn(gpointer key, gpointer value, gpointer user_data)
{
NMConnection *connection = value;
nm_connection_normalize(connection, NULL, NULL, NULL);
}
static void
reader_add_nameservers(Reader *reader, GPtrArray *nameservers)
{
NMConnection * connection;
NMSettingIPConfig *s_ip;
GHashTableIter iter;
int addr_family;
const char * ns;
guint i;
for (i = 0; i < nameservers->len; i++) {
ns = nameservers->pdata[i];
addr_family = get_ip_address_family(ns, FALSE);
if (addr_family == AF_UNSPEC) {
_LOGW(LOGD_CORE, "Unknown address family: %s", ns);
continue;
}
g_hash_table_iter_init(&iter, reader->hash);
while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &connection)) {
switch (addr_family) {
case AF_INET:
s_ip = nm_connection_get_setting_ip4_config(connection);
if (!NM_IN_STRSET(nm_setting_ip_config_get_method(s_ip),
NM_SETTING_IP4_CONFIG_METHOD_AUTO,
NM_SETTING_IP4_CONFIG_METHOD_MANUAL))
continue;
break;
case AF_INET6:
s_ip = nm_connection_get_setting_ip6_config(connection);
if (!NM_IN_STRSET(nm_setting_ip_config_get_method(s_ip),
NM_SETTING_IP6_CONFIG_METHOD_AUTO,
NM_SETTING_IP6_CONFIG_METHOD_DHCP,
NM_SETTING_IP6_CONFIG_METHOD_MANUAL))
continue;
break;
default:
nm_assert_not_reached();
continue;
}
nm_setting_ip_config_add_dns(s_ip, ns);
}
}
}
static void
connection_set_needed(NMConnection *connection)
{
NMSettingConnection *s_con;
s_con = nm_connection_get_setting_connection(connection);
if (!nm_streq0(nm_setting_connection_get_connection_type(s_con), NM_SETTING_WIRED_SETTING_NAME))
return;
g_object_set(s_con,
NM_SETTING_CONNECTION_WAIT_DEVICE_TIMEOUT,
(int) NMI_WAIT_DEVICE_TIMEOUT_MS,
NULL);
}
static void
connection_set_needed_cb(gpointer key, gpointer value, gpointer user_data)
{
connection_set_needed(value);
}
GHashTable *
nmi_cmdline_reader_parse(const char * sysfs_dir,
const char *const *argv,
char ** hostname,
gint64 * carrier_timeout_sec)
{
Reader * reader;
const char * tag;
gboolean ignore_bootif = FALSE;
gboolean neednet = FALSE;
gs_free char * bootif_val = NULL;
gs_free char * bootdev = NULL;
gboolean net_ifnames = TRUE;
gs_unref_ptrarray GPtrArray *nameservers = NULL;
gs_unref_ptrarray GPtrArray *routes = NULL;
gs_unref_ptrarray GPtrArray *znets = NULL;
int i;
guint64 dhcp_timeout = 90;
guint64 dhcp_num_tries = 1;
reader = reader_new();
for (i = 0; argv[i]; i++) {
gs_free char *argument_clone = NULL;
char * argument;
argument_clone = g_strdup(argv[i]);
argument = argument_clone;
tag = get_word(&argument, '=');
if (nm_streq(tag, "net.ifnames"))
net_ifnames = !nm_streq(argument, "0");
else if (nm_streq(tag, "rd.peerdns"))
reader->ignore_auto_dns = !_nm_utils_ascii_str_to_bool(argument, TRUE);
else if (nm_streq(tag, "rd.net.timeout.dhcp")) {
if (nm_streq0(argument, "infinity")) {
dhcp_timeout = G_MAXINT32;
} else {
dhcp_timeout =
_nm_utils_ascii_str_to_int64(argument, 10, 1, G_MAXINT32, dhcp_timeout);
}
} else if (nm_streq(tag, "rd.net.dhcp.retry")) {
dhcp_num_tries =
_nm_utils_ascii_str_to_int64(argument, 10, 1, G_MAXINT32, dhcp_num_tries);
} else if (nm_streq(tag, "rd.net.dhcp.vendor-class")) {
if (nm_utils_validate_dhcp4_vendor_class_id(argument, NULL))
nm_utils_strdup_reset(&reader->dhcp4_vci, argument);
} else if (nm_streq(tag, "rd.net.timeout.carrier")) {
reader->carrier_timeout_sec =
_nm_utils_ascii_str_to_int64(argument, 10, 0, G_MAXINT32, 0);
}
}
reader->dhcp_timeout = NM_CLAMP(dhcp_timeout * dhcp_num_tries, 1, G_MAXINT32);
for (i = 0; argv[i]; i++) {
gs_free char *argument_clone = NULL;
char * argument;
char * word;
argument_clone = g_strdup(argv[i]);
argument = argument_clone;
tag = get_word(&argument, '=');
if (nm_streq(tag, "ip"))
reader_parse_ip(reader, sysfs_dir, argument);
else if (nm_streq(tag, "rd.route")) {
if (!routes)
routes = g_ptr_array_new_with_free_func(g_free);
g_ptr_array_add(routes, g_strdup(argument));
} else if (nm_streq(tag, "bridge"))
reader_parse_master(reader, argument, NM_SETTING_BRIDGE_SETTING_NAME, "br");
else if (nm_streq(tag, "bond"))
reader_parse_master(reader, argument, NM_SETTING_BOND_SETTING_NAME, NULL);
else if (nm_streq(tag, "team"))
reader_parse_master(reader, argument, NM_SETTING_TEAM_SETTING_NAME, NULL);
else if (nm_streq(tag, "vlan"))
reader_parse_vlan(reader, argument);
else if (nm_streq(tag, "bootdev")) {
g_free(bootdev);
bootdev = g_strdup(argument);
} else if (nm_streq(tag, "nameserver")) {
word = get_word(&argument, '\0');
if (word) {
if (!nameservers)
nameservers = g_ptr_array_new_with_free_func(g_free);
g_ptr_array_add(nameservers, g_strdup(word));
}
if (argument && *argument)
_LOGW(LOGD_CORE, "Ignoring extra: '%s'.", argument);
} else if (nm_streq(tag, "rd.iscsi.ibft") && _nm_utils_ascii_str_to_bool(argument, TRUE))
reader_read_all_connections_from_fw(reader, sysfs_dir);
else if (nm_streq(tag, "rd.bootif"))
ignore_bootif = !_nm_utils_ascii_str_to_bool(argument, TRUE);
else if (nm_streq(tag, "rd.neednet"))
neednet = _nm_utils_ascii_str_to_bool(argument, TRUE);
else if (nm_streq(tag, "rd.znet")) {
if (!znets)
znets = g_ptr_array_new_with_free_func(g_free);
g_ptr_array_add(znets, g_strdup(argument));
} else if (g_ascii_strcasecmp(tag, "BOOTIF") == 0) {
nm_clear_g_free(&bootif_val);
bootif_val = g_strdup(argument);
}
}
for (i = 0; i < reader->vlan_parents->len; i++) {
NMConnection * connection;
NMSettingIPConfig *s_ip;
/* Disable IP configuration for parent connections of VLANs,
* unless those interfaces were explicitly configured otherwise. */
connection = reader_get_connection(reader, reader->vlan_parents->pdata[i], NULL, TRUE);
if (!g_hash_table_contains(reader->explicit_ip_connections, connection)) {
s_ip = nm_connection_get_setting_ip4_config(connection);
if (s_ip) {
g_object_set(s_ip,
NM_SETTING_IP_CONFIG_METHOD,
NM_SETTING_IP4_CONFIG_METHOD_DISABLED,
NULL);
}
s_ip = nm_connection_get_setting_ip6_config(connection);
if (s_ip) {
g_object_set(s_ip,
NM_SETTING_IP_CONFIG_METHOD,
NM_SETTING_IP6_CONFIG_METHOD_DISABLED,
NULL);
}
}
}
if (ignore_bootif)
nm_clear_g_free(&bootif_val);
if (bootif_val) {
NMConnection * connection;
NMSettingWired *s_wired;
const char * bootif = bootif_val;
char prefix[4];
if (!nm_utils_hwaddr_valid(bootif, ETH_ALEN)) {
strncpy(prefix, bootif, 3);
prefix[3] = '\0';
if (NM_IN_STRSET(prefix, "01-", "01:", "00-", "00:")
&& nm_utils_hwaddr_valid(&bootif[3], ETH_ALEN)) {
/*
* BOOTIF MAC address can be prefixed with a hardware type identifier.
* "01" stays for "wired", "00" is also accepted as it means "undefined".
* No others are known.
*/
bootif += 3;
}
}
connection = reader_get_connection(reader, NULL, NM_SETTING_WIRED_SETTING_NAME, FALSE);
if (!connection)
connection = reader_get_default_connection(reader);
s_wired = nm_connection_get_setting_wired(connection);
if (nm_connection_get_interface_name(connection)
|| (nm_setting_wired_get_mac_address(s_wired)
&& !nm_utils_hwaddr_matches(nm_setting_wired_get_mac_address(s_wired),
-1,
bootif,
-1))) {
connection = reader_create_connection(reader,
"bootif_connection",
"BOOTIF Connection",
NULL,
bootif,
NM_SETTING_WIRED_SETTING_NAME,
NM_CONNECTION_MULTI_CONNECT_SINGLE);
} else {
g_object_set(s_wired, NM_SETTING_WIRED_MAC_ADDRESS, bootif, NULL);
}
}
if (bootdev) {
NMConnection *connection;
connection = reader_get_connection(reader, bootdev, NULL, TRUE);
reader->bootdev_connection = connection;
connection_set_needed(connection);
}
if (neednet) {
if (g_hash_table_size(reader->hash) == 0) {
/* Make sure there's some connection. */
reader_get_default_connection(reader);
}
g_hash_table_foreach(reader->hash, connection_set_needed_cb, NULL);
}
if (routes)
reader_add_routes(reader, routes);
if (nameservers)
reader_add_nameservers(reader, nameservers);
if (znets) {
for (i = 0; i < znets->len; i++)
reader_parse_rd_znet(reader, znets->pdata[i], net_ifnames);
}
g_hash_table_foreach(reader->hash, _normalize_conn, NULL);
NM_SET_OUT(hostname, g_steal_pointer(&reader->hostname));
NM_SET_OUT(carrier_timeout_sec, reader->carrier_timeout_sec);
return reader_destroy(reader, FALSE);
}