NetworkManager/libnm/nm-ip-config.c
Thomas Haller fdf9614ba7
build: move "libnm-core/" to "src/" and split it
"libnm-core/" is rather complicated. It provides a static library that
is linked into libnm.so and NetworkManager. It also contains public
headers (like "nm-setting.h") which are part of public libnm API.

Then we have helper libraries ("libnm-core/nm-libnm-core-*/") which
only rely on public API of libnm-core, but are themself static
libraries that can be used by anybody who uses libnm-core. And
"libnm-core/nm-libnm-core-intern" is used by libnm-core itself.

Move "libnm-core/" to "src/". But also split it in different
directories so that they have a clearer purpose.

The goal is to have a flat directory hierarchy. The "src/libnm-core*/"
directories correspond to the different modules (static libraries and set
of headers that we have). We have different kinds of such modules because
of how we combine various code together. The directory layout now reflects
this.
2021-02-18 19:46:51 +01:00

644 lines
24 KiB
C

/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2007 - 2011 Novell, Inc.
* Copyright (C) 2008 - 2014 Red Hat, Inc.
*/
#include "libnm/nm-default-libnm.h"
#include "nm-ip-config.h"
#include "nm-ip4-config.h"
#include "nm-ip6-config.h"
#include "nm-setting-ip-config.h"
#include "nm-dbus-interface.h"
#include "nm-object-private.h"
#include "nm-utils.h"
#include "libnm-core-intern/nm-core-internal.h"
/*****************************************************************************/
NM_GOBJECT_PROPERTIES_DEFINE(NMIPConfig,
PROP_FAMILY,
PROP_GATEWAY,
PROP_ADDRESSES,
PROP_ROUTES,
PROP_NAMESERVERS,
PROP_DOMAINS,
PROP_SEARCHES,
PROP_WINS_SERVERS, );
typedef struct _NMIPConfigPrivate {
GPtrArray *addresses;
GPtrArray *routes;
char ** nameservers;
char ** domains;
char ** searches;
char ** wins_servers;
char * gateway;
bool addresses_new_style : 1;
bool routes_new_style : 1;
bool nameservers_new_style : 1;
bool wins_servers_new_style : 1;
} NMIPConfigPrivate;
G_DEFINE_ABSTRACT_TYPE(NMIPConfig, nm_ip_config, NM_TYPE_OBJECT)
#define NM_IP_CONFIG_GET_PRIVATE(self) \
_NM_GET_PRIVATE_PTR(self, NMIPConfig, NM_IS_IP_CONFIG, NMObject)
/*****************************************************************************/
static NMLDBusNotifyUpdatePropFlags
_notify_update_prop_addresses(NMClient * client,
NMLDBusObject * dbobj,
const NMLDBusMetaIface *meta_iface,
guint dbus_property_idx,
GVariant * value)
{
NMIPConfig * self = NM_IP_CONFIG(dbobj->nmobj);
NMIPConfigPrivate *priv = NM_IP_CONFIG_GET_PRIVATE(self);
gs_unref_ptrarray GPtrArray *addresses_old = NULL;
gs_unref_ptrarray GPtrArray *addresses_new = NULL;
int addr_family = meta_iface == &_nml_dbus_meta_iface_nm_ip4config ? AF_INET : AF_INET6;
gboolean new_style;
new_style =
(((const char *) meta_iface->dbus_properties[dbus_property_idx].dbus_type)[2] == '{');
if (priv->addresses_new_style) {
if (!new_style)
return NML_DBUS_NOTIFY_UPDATE_PROP_FLAGS_NONE;
} else
priv->addresses_new_style = new_style;
if (value) {
if (new_style)
addresses_new = nm_utils_ip_addresses_from_variant(value, addr_family);
else if (addr_family == AF_INET)
addresses_new = nm_utils_ip4_addresses_from_variant(value, NULL);
else
addresses_new = nm_utils_ip6_addresses_from_variant(value, NULL);
nm_assert(addresses_new);
}
if (!addresses_new)
addresses_new = g_ptr_array_new_with_free_func((GDestroyNotify) nm_ip_address_unref);
addresses_old = priv->addresses;
priv->addresses = g_steal_pointer(&addresses_new);
return NML_DBUS_NOTIFY_UPDATE_PROP_FLAGS_NOTIFY;
}
static NMLDBusNotifyUpdatePropFlags
_notify_update_prop_routes(NMClient * client,
NMLDBusObject * dbobj,
const NMLDBusMetaIface *meta_iface,
guint dbus_property_idx,
GVariant * value)
{
NMIPConfig * self = NM_IP_CONFIG(dbobj->nmobj);
NMIPConfigPrivate *priv = NM_IP_CONFIG_GET_PRIVATE(self);
gs_unref_ptrarray GPtrArray *routes_old = NULL;
gs_unref_ptrarray GPtrArray *routes_new = NULL;
int addr_family = meta_iface == &_nml_dbus_meta_iface_nm_ip4config ? AF_INET : AF_INET6;
gboolean new_style;
new_style =
(((const char *) meta_iface->dbus_properties[dbus_property_idx].dbus_type)[2] == '{');
if (priv->routes_new_style) {
if (!new_style)
return NML_DBUS_NOTIFY_UPDATE_PROP_FLAGS_NONE;
} else
priv->routes_new_style = new_style;
if (value) {
if (new_style)
routes_new = nm_utils_ip_routes_from_variant(value, addr_family);
else if (addr_family == AF_INET)
routes_new = nm_utils_ip4_routes_from_variant(value);
else
routes_new = nm_utils_ip6_routes_from_variant(value);
nm_assert(routes_new);
}
if (!routes_new)
routes_new = g_ptr_array_new_with_free_func((GDestroyNotify) nm_ip_route_unref);
routes_old = priv->routes;
priv->routes = g_steal_pointer(&routes_new);
return NML_DBUS_NOTIFY_UPDATE_PROP_FLAGS_NOTIFY;
}
static NMLDBusNotifyUpdatePropFlags
_notify_update_prop_nameservers(NMClient * client,
NMLDBusObject * dbobj,
const NMLDBusMetaIface *meta_iface,
guint dbus_property_idx,
GVariant * value)
{
NMIPConfig * self = NM_IP_CONFIG(dbobj->nmobj);
NMIPConfigPrivate *priv = NM_IP_CONFIG_GET_PRIVATE(self);
gs_strfreev char **nameservers_new = NULL;
gboolean new_style = TRUE;
int addr_family = meta_iface == &_nml_dbus_meta_iface_nm_ip4config ? AF_INET : AF_INET6;
if (addr_family == AF_INET) {
new_style =
(((const char *) meta_iface->dbus_properties[dbus_property_idx].dbus_type)[1] == 'a');
if (priv->nameservers_new_style) {
if (!new_style)
return NML_DBUS_NOTIFY_UPDATE_PROP_FLAGS_NONE;
} else
priv->nameservers_new_style = new_style;
}
if (value) {
if (addr_family == AF_INET6)
nameservers_new = nm_utils_ip6_dns_from_variant(value);
else if (!new_style)
nameservers_new = nm_utils_ip4_dns_from_variant(value);
else {
GVariantIter iter;
GVariantIter * iter_v;
gs_unref_ptrarray GPtrArray *arr = NULL;
g_variant_iter_init(&iter, value);
while (g_variant_iter_next(&iter, "a{sv}", &iter_v)) {
const char *key;
GVariant * val;
while (g_variant_iter_next(iter_v, "{&sv}", &key, &val)) {
if (nm_streq(key, "address")) {
gs_free char *val_str = NULL;
if (!g_variant_is_of_type(val, G_VARIANT_TYPE_STRING))
goto next;
if (!nm_utils_parse_inaddr(AF_INET,
g_variant_get_string(val, NULL),
&val_str))
goto next;
if (!arr)
arr = g_ptr_array_new();
g_ptr_array_add(arr, g_steal_pointer(&val_str));
goto next;
}
next:
g_variant_unref(val);
}
g_variant_iter_free(iter_v);
}
if (arr && arr->len > 0)
nameservers_new = nm_utils_strv_dup((char **) arr->pdata, arr->len, FALSE);
else
nameservers_new = g_new0(char *, 1);
}
nm_assert(nameservers_new);
}
g_strfreev(priv->nameservers);
priv->nameservers = g_steal_pointer(&nameservers_new);
return NML_DBUS_NOTIFY_UPDATE_PROP_FLAGS_NOTIFY;
}
static NMLDBusNotifyUpdatePropFlags
_notify_update_prop_wins_servers(NMClient * client,
NMLDBusObject * dbobj,
const NMLDBusMetaIface *meta_iface,
guint dbus_property_idx,
GVariant * value)
{
NMIPConfig * self = NM_IP_CONFIG(dbobj->nmobj);
NMIPConfigPrivate *priv = NM_IP_CONFIG_GET_PRIVATE(self);
gs_strfreev char **wins_servers_new = NULL;
gboolean new_style;
new_style =
(((const char *) meta_iface->dbus_properties[dbus_property_idx].dbus_type)[1] == 's');
if (priv->wins_servers_new_style) {
if (!new_style)
return NML_DBUS_NOTIFY_UPDATE_PROP_FLAGS_NONE;
} else
priv->wins_servers_new_style = new_style;
if (value) {
if (new_style)
wins_servers_new = g_variant_dup_strv(value, NULL);
else
wins_servers_new = nm_utils_ip4_dns_from_variant(value);
nm_assert(wins_servers_new);
}
g_strfreev(priv->wins_servers);
priv->wins_servers = g_steal_pointer(&wins_servers_new);
return NML_DBUS_NOTIFY_UPDATE_PROP_FLAGS_NOTIFY;
}
/*****************************************************************************/
static void
get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
NMIPConfig *self = NM_IP_CONFIG(object);
switch (prop_id) {
case PROP_FAMILY:
g_value_set_int(value, nm_ip_config_get_family(self));
break;
case PROP_GATEWAY:
g_value_set_string(value, nm_ip_config_get_gateway(self));
break;
case PROP_ADDRESSES:
g_value_take_boxed(value,
_nm_utils_copy_array(nm_ip_config_get_addresses(self),
(NMUtilsCopyFunc) nm_ip_address_dup,
(GDestroyNotify) nm_ip_address_unref));
break;
case PROP_ROUTES:
g_value_take_boxed(value,
_nm_utils_copy_array(nm_ip_config_get_routes(self),
(NMUtilsCopyFunc) nm_ip_route_dup,
(GDestroyNotify) nm_ip_route_unref));
break;
case PROP_NAMESERVERS:
g_value_set_boxed(value, (char **) nm_ip_config_get_nameservers(self));
break;
case PROP_DOMAINS:
g_value_set_boxed(value, (char **) nm_ip_config_get_domains(self));
break;
case PROP_SEARCHES:
g_value_set_boxed(value, (char **) nm_ip_config_get_searches(self));
break;
case PROP_WINS_SERVERS:
g_value_set_boxed(value, (char **) nm_ip_config_get_wins_servers(self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
/*****************************************************************************/
static void
nm_ip_config_init(NMIPConfig *self)
{
NMIPConfigPrivate *priv;
priv = G_TYPE_INSTANCE_GET_PRIVATE(self, NM_TYPE_IP_CONFIG, NMIPConfigPrivate);
self->_priv = priv;
priv->addresses = g_ptr_array_new_with_free_func((GDestroyNotify) nm_ip_address_unref);
priv->routes = g_ptr_array_new_with_free_func((GDestroyNotify) nm_ip_route_unref);
}
static void
finalize(GObject *object)
{
NMIPConfigPrivate *priv = NM_IP_CONFIG_GET_PRIVATE(object);
g_free(priv->gateway);
g_ptr_array_unref(priv->routes);
g_ptr_array_unref(priv->addresses);
g_strfreev(priv->nameservers);
g_strfreev(priv->domains);
g_strfreev(priv->searches);
g_strfreev(priv->wins_servers);
G_OBJECT_CLASS(nm_ip_config_parent_class)->finalize(object);
}
const NMLDBusMetaIface _nml_dbus_meta_iface_nm_ip4config = NML_DBUS_META_IFACE_INIT_PROP(
NM_DBUS_INTERFACE_IP4_CONFIG,
nm_ip4_config_get_type,
NML_DBUS_META_INTERFACE_PRIO_INSTANTIATE_30,
NML_DBUS_META_IFACE_DBUS_PROPERTIES(
NML_DBUS_META_PROPERTY_INIT_FCN("AddressData",
PROP_ADDRESSES,
"aa{sv}",
_notify_update_prop_addresses),
NML_DBUS_META_PROPERTY_INIT_FCN("Addresses",
PROP_ADDRESSES,
"aau",
_notify_update_prop_addresses,
.obj_property_no_reverse_idx = TRUE),
NML_DBUS_META_PROPERTY_INIT_TODO("DnsOptions", "as"),
NML_DBUS_META_PROPERTY_INIT_TODO("DnsPriority", "i"),
NML_DBUS_META_PROPERTY_INIT_AS("Domains", PROP_DOMAINS, NMIPConfigPrivate, domains),
NML_DBUS_META_PROPERTY_INIT_S("Gateway", PROP_GATEWAY, NMIPConfigPrivate, gateway),
NML_DBUS_META_PROPERTY_INIT_FCN("NameserverData",
PROP_NAMESERVERS,
"aa{sv}",
_notify_update_prop_nameservers),
NML_DBUS_META_PROPERTY_INIT_FCN("Nameservers",
PROP_NAMESERVERS,
"au",
_notify_update_prop_nameservers,
.obj_property_no_reverse_idx = TRUE),
NML_DBUS_META_PROPERTY_INIT_FCN("RouteData",
PROP_ROUTES,
"aa{sv}",
_notify_update_prop_routes),
NML_DBUS_META_PROPERTY_INIT_FCN("Routes",
PROP_ROUTES,
"aau",
_notify_update_prop_routes,
.obj_property_no_reverse_idx = TRUE),
NML_DBUS_META_PROPERTY_INIT_AS("Searches", PROP_SEARCHES, NMIPConfigPrivate, searches),
NML_DBUS_META_PROPERTY_INIT_FCN("WinsServerData",
PROP_WINS_SERVERS,
"as",
_notify_update_prop_wins_servers),
NML_DBUS_META_PROPERTY_INIT_FCN("WinsServers",
PROP_WINS_SERVERS,
"au",
_notify_update_prop_wins_servers,
.obj_property_no_reverse_idx = TRUE), ),
.base_struct_offset = G_STRUCT_OFFSET(NMIPConfig, _priv), );
const NMLDBusMetaIface _nml_dbus_meta_iface_nm_ip6config = NML_DBUS_META_IFACE_INIT_PROP(
NM_DBUS_INTERFACE_IP6_CONFIG,
nm_ip6_config_get_type,
NML_DBUS_META_INTERFACE_PRIO_INSTANTIATE_30,
NML_DBUS_META_IFACE_DBUS_PROPERTIES(
NML_DBUS_META_PROPERTY_INIT_FCN("AddressData",
PROP_ADDRESSES,
"aa{sv}",
_notify_update_prop_addresses),
NML_DBUS_META_PROPERTY_INIT_FCN("Addresses",
PROP_ADDRESSES,
"a(ayuay)",
_notify_update_prop_addresses,
.obj_property_no_reverse_idx = TRUE),
NML_DBUS_META_PROPERTY_INIT_TODO("DnsOptions", "as"),
NML_DBUS_META_PROPERTY_INIT_TODO("DnsPriority", "i"),
NML_DBUS_META_PROPERTY_INIT_AS("Domains", PROP_DOMAINS, NMIPConfigPrivate, domains),
NML_DBUS_META_PROPERTY_INIT_S("Gateway", PROP_GATEWAY, NMIPConfigPrivate, gateway),
NML_DBUS_META_PROPERTY_INIT_FCN("Nameservers",
PROP_NAMESERVERS,
"aay",
_notify_update_prop_nameservers),
NML_DBUS_META_PROPERTY_INIT_FCN("RouteData",
PROP_ROUTES,
"aa{sv}",
_notify_update_prop_routes),
NML_DBUS_META_PROPERTY_INIT_FCN("Routes",
PROP_ROUTES,
"a(ayuayu)",
_notify_update_prop_routes,
.obj_property_no_reverse_idx = TRUE),
NML_DBUS_META_PROPERTY_INIT_AS("Searches", PROP_SEARCHES, NMIPConfigPrivate, searches), ),
.base_struct_offset = G_STRUCT_OFFSET(NMIPConfig, _priv), );
static void
nm_ip_config_class_init(NMIPConfigClass *config_class)
{
GObjectClass *object_class = G_OBJECT_CLASS(config_class);
g_type_class_add_private(config_class, sizeof(NMIPConfigPrivate));
object_class->get_property = get_property;
object_class->finalize = finalize;
/**
* NMIPConfig:family:
*
* The IP address family of the configuration; either
* <literal>AF_INET</literal> or <literal>AF_INET6</literal>.
**/
obj_properties[PROP_FAMILY] = g_param_spec_int(NM_IP_CONFIG_FAMILY,
"",
"",
0,
255,
AF_UNSPEC,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMIPConfig:gateway:
*
* The IP gateway address of the configuration as string.
**/
obj_properties[PROP_GATEWAY] = g_param_spec_string(NM_IP_CONFIG_GATEWAY,
"",
"",
NULL,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMIPConfig:addresses:
*
* A #GPtrArray containing the addresses (#NMIPAddress) of the configuration.
**/
obj_properties[PROP_ADDRESSES] = g_param_spec_boxed(NM_IP_CONFIG_ADDRESSES,
"",
"",
G_TYPE_PTR_ARRAY,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMIPConfig:routes: (type GPtrArray(NMIPRoute))
*
* A #GPtrArray containing the routes (#NMIPRoute) of the configuration.
**/
obj_properties[PROP_ROUTES] = g_param_spec_boxed(NM_IP_CONFIG_ROUTES,
"",
"",
G_TYPE_PTR_ARRAY,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMIPConfig:nameservers:
*
* The array containing name server IP addresses of the configuration.
**/
obj_properties[PROP_NAMESERVERS] =
g_param_spec_boxed(NM_IP_CONFIG_NAMESERVERS,
"",
"",
G_TYPE_STRV,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMIPConfig:domains:
*
* The array containing domain strings of the configuration.
**/
obj_properties[PROP_DOMAINS] = g_param_spec_boxed(NM_IP_CONFIG_DOMAINS,
"",
"",
G_TYPE_STRV,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMIPConfig:searches:
*
* The array containing DNS search strings of the configuration.
**/
obj_properties[PROP_SEARCHES] = g_param_spec_boxed(NM_IP_CONFIG_SEARCHES,
"",
"",
G_TYPE_STRV,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* NMIPConfig:wins-servers:
*
* The array containing WINS server IP addresses of the configuration.
* (This will always be empty for IPv6 configurations.)
**/
obj_properties[PROP_WINS_SERVERS] =
g_param_spec_boxed(NM_IP_CONFIG_WINS_SERVERS,
"",
"",
G_TYPE_STRV,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
_nml_dbus_meta_class_init_with_properties(object_class,
&_nml_dbus_meta_iface_nm_ip4config,
&_nml_dbus_meta_iface_nm_ip6config);
}
/**
* nm_ip_config_get_family:
* @config: a #NMIPConfig
*
* Gets the IP address family
*
* Returns: the IP address family; either <literal>AF_INET</literal> or
* <literal>AF_INET6</literal>
**/
int
nm_ip_config_get_family(NMIPConfig *config)
{
g_return_val_if_fail(NM_IS_IP_CONFIG(config), AF_UNSPEC);
return NM_IS_IP4_CONFIG(config) ? AF_INET : AF_INET6;
}
/**
* nm_ip_config_get_gateway:
* @config: a #NMIPConfig
*
* Gets the IP gateway address.
*
* Returns: (transfer none): the IP address of the gateway.
**/
const char *
nm_ip_config_get_gateway(NMIPConfig *config)
{
g_return_val_if_fail(NM_IS_IP_CONFIG(config), NULL);
return _nml_coerce_property_str_not_empty(NM_IP_CONFIG_GET_PRIVATE(config)->gateway);
}
/**
* nm_ip_config_get_addresses:
* @config: a #NMIPConfig
*
* Gets the IP addresses (containing the address, prefix, and gateway).
*
* Returns: (element-type NMIPAddress) (transfer none): the #GPtrArray
* containing #NMIPAddress<!-- -->es. This is the internal copy used by the
* configuration and must not be modified. The library never modifies the
* returned array and thus it is safe for callers to reference and keep using it.
**/
GPtrArray *
nm_ip_config_get_addresses(NMIPConfig *config)
{
g_return_val_if_fail(NM_IS_IP_CONFIG(config), NULL);
return NM_IP_CONFIG_GET_PRIVATE(config)->addresses;
}
/**
* nm_ip_config_get_nameservers:
* @config: a #NMIPConfig
*
* Gets the domain name servers (DNS).
*
* Returns: (transfer none): the array of nameserver IP addresses
**/
const char *const *
nm_ip_config_get_nameservers(NMIPConfig *config)
{
g_return_val_if_fail(NM_IS_IP_CONFIG(config), NULL);
return _nml_coerce_property_strv_not_null(NM_IP_CONFIG_GET_PRIVATE(config)->nameservers);
}
/**
* nm_ip_config_get_domains:
* @config: a #NMIPConfig
*
* Gets the domain names.
*
* Returns: (transfer none): the array of domains.
* (This is never %NULL, though it may be 0-length).
**/
const char *const *
nm_ip_config_get_domains(NMIPConfig *config)
{
g_return_val_if_fail(NM_IS_IP_CONFIG(config), NULL);
return _nml_coerce_property_strv_not_null(NM_IP_CONFIG_GET_PRIVATE(config)->domains);
}
/**
* nm_ip_config_get_searches:
* @config: a #NMIPConfig
*
* Gets the DNS searches.
*
* Returns: (transfer none): the array of DNS search strings.
* (This is never %NULL, though it may be 0-length).
**/
const char *const *
nm_ip_config_get_searches(NMIPConfig *config)
{
g_return_val_if_fail(NM_IS_IP_CONFIG(config), NULL);
return _nml_coerce_property_strv_not_null(NM_IP_CONFIG_GET_PRIVATE(config)->searches);
}
/**
* nm_ip_config_get_wins_servers:
* @config: a #NMIPConfig
*
* Gets the Windows Internet Name Service servers (WINS).
*
* Returns: (transfer none): the arry of WINS server IP address strings.
* (This is never %NULL, though it may be 0-length.)
**/
const char *const *
nm_ip_config_get_wins_servers(NMIPConfig *config)
{
g_return_val_if_fail(NM_IS_IP_CONFIG(config), NULL);
return _nml_coerce_property_strv_not_null(NM_IP_CONFIG_GET_PRIVATE(config)->wins_servers);
}
/**
* nm_ip_config_get_routes:
* @config: a #NMIPConfig
*
* Gets the routes.
*
* Returns: (element-type NMIPRoute) (transfer none): the #GPtrArray containing
* #NMIPRoute<!-- -->s. This is the internal copy used by the configuration, and must
* not be modified. The library never modifies the returned array and thus it is
* safe for callers to reference and keep using it.
*
**/
GPtrArray *
nm_ip_config_get_routes(NMIPConfig *config)
{
g_return_val_if_fail(NM_IS_IP_CONFIG(config), NULL);
return NM_IP_CONFIG_GET_PRIVATE(config)->routes;
}