// SPDX-License-Identifier: LGPL-2.1+
/*
* Copyright (C) 2018 Red Hat, Inc.
*/
#include "nm-default.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;
} 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,
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 *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|ibft} */
kind = tmp;
} else {
client_ip_family = get_ip_address_family (tmp, TRUE);
if (client_ip_family != AF_UNSPEC) {
/* <client-IP>:[<peer>]:<gateway-IP>:<netmask>:<client_hostname>: */
client_ip = tmp;
peer = get_word (&argument, ':');
gateway_ip = get_word (&argument, ':');
netmask = get_word (&argument, ':');
client_hostname = get_word (&argument, ':');
iface_spec = get_word (&argument, ':');
} else {
iface_spec = tmp;
}
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);
}
/* <ifname>:{none|off|dhcp|on|any|dhcp6|auto6|ibft} */
kind = get_word (&argument, ':');
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_AUTO,
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, "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;
char *opt;
const char *opt_name;
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) {
opt = get_word (&opts, ',');
opt_name = get_word (&opt, '=');
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)
{
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;
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")) {
reader->dhcp_timeout = _nm_utils_ascii_str_to_int64 (argument,
10, 0, G_MAXINT32, 0);
} 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);
}
}
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;
if ( !nm_utils_hwaddr_valid (bootif, ETH_ALEN)
&& g_str_has_prefix (bootif, "01-")
&& nm_utils_hwaddr_valid (&bootif[3], ETH_ALEN)) {
/*
* BOOTIF MAC address can be prefixed with a hardware type identifier.
* "01" stays for "wired", no other 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));
return reader_destroy (reader, FALSE);
}