fdo-mirrors/NetworkManager
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git synced 2026-02-18 21:11:36 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions
NetworkManager/src/platform/tests/test-route.c
Thomas Haller 6bf5f014c8
shared: change NM_SWAP() macro to take pointer arguments 
This makes the macro more function like. Also, taking a pointer
makes it a bit clearer that this possibly changes the value.

Of course, it's not a big difference to before, but this
form seems slightly preferable to me.
2020-08-06 18:12:01 +02:00

1765 lines
57 KiB
C
Raw Blame History

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016 - 2017 Red Hat, Inc.
*/
#include "nm-default.h"
#include <linux/rtnetlink.h>
#include <linux/fib_rules.h>
#include "nm-core-utils.h"
#include "platform/nm-platform-utils.h"
#include "platform/nmp-rules-manager.h"
#include "test-common.h"
#define DEVICE_IFINDEX NMTSTP_ENV1_IFINDEX
#define EX NMTSTP_ENV1_EX
static void
_wait_for_ipv4_addr_device_route (NMPlatform *platform,
gint64 timeout_msec,
int ifindex,
in_addr_t addr,
guint8 plen)
{
/* Wait that the addresses gets a device-route. After adding a address,
* the device route is not added immediately. It takes a moment... */
addr = nm_utils_ip4_address_clear_host_address (addr, plen);
NMTST_WAIT_ASSERT (400, {
NMDedupMultiIter iter;
NMPLookup lookup;
const NMPObject *o;
nmp_cache_iter_for_each (&iter,
nm_platform_lookup (platform,
nmp_lookup_init_object (&lookup,
NMP_OBJECT_TYPE_IP4_ROUTE,
ifindex)),
&o) {
const NMPlatformIP4Route *r = NMP_OBJECT_CAST_IP4_ROUTE (o);
if ( r->plen == plen
&& addr == nm_utils_ip4_address_clear_host_address (r->network, plen)
&& r->metric == 0
&& r->scope_inv == nm_platform_route_scope_inv (RT_SCOPE_LINK)
&& r->rt_source == NM_IP_CONFIG_SOURCE_RTPROT_KERNEL)
return;
}
nmtstp_assert_wait_for_signal (platform,
(nmtst_wait_end_us - g_get_monotonic_time ()) / 1000);
});
}
static void
_wait_for_ipv6_addr_non_tentative (NMPlatform *platform,
gint64 timeout_msec,
int ifindex,
guint addr_n,
const struct in6_addr *addrs)
{
guint i;
/* Wait that the addresses become non-tentative. Dummy interfaces are NOARP
* and thus don't do DAD, but the kernel sets the address as tentative for a
* small amount of time, which prevents the immediate addition of the route
* with RTA_PREFSRC */
NMTST_WAIT_ASSERT (timeout_msec, {
gboolean should_wait = FALSE;
const NMPlatformIP6Address *plt_addr;
for (i = 0; i < addr_n; i++) {
plt_addr = nm_platform_ip6_address_get (platform, ifindex, addrs[i]);
if ( !plt_addr
|| NM_FLAGS_HAS (plt_addr->n_ifa_flags, IFA_F_TENTATIVE)) {
should_wait = TRUE;
break;
}
}
if (!should_wait)
return;
nmtstp_assert_wait_for_signal (platform,
(nmtst_wait_end_us - g_get_monotonic_time ()) / 1000);
});
}
static void
ip4_route_callback (NMPlatform *platform, int obj_type_i, int ifindex, const NMPlatformIP4Route *received, int change_type_i, SignalData *data)
{
const NMPObjectType obj_type = obj_type_i;
const NMPlatformSignalChangeType change_type = change_type_i;
NMPObject o_id;
nm_auto_nmpobj NMPObject *o_id_p = nmp_object_new (NMP_OBJECT_TYPE_IP4_ROUTE, NULL);
g_assert_cmpint (obj_type, ==, NMP_OBJECT_TYPE_IP4_ROUTE);
g_assert (received);
g_assert_cmpint (received->ifindex, ==, ifindex);
g_assert (data && data->name);
g_assert_cmpstr (data->name, ==, NM_PLATFORM_SIGNAL_IP4_ROUTE_CHANGED);
/* run code for initializing the ID only */
nmp_object_stackinit_id (&o_id, NMP_OBJECT_UP_CAST (received));
nmp_object_copy (o_id_p, NMP_OBJECT_UP_CAST (received), TRUE);
nmp_object_copy (o_id_p, NMP_OBJECT_UP_CAST (received), FALSE);
if (data->ifindex && data->ifindex != received->ifindex)
return;
if (data->change_type != change_type)
return;
if (data->loop)
g_main_loop_quit (data->loop);
data->received_count++;
_LOGD ("Received signal '%s' %dth time.", data->name, data->received_count);
}
static void
ip6_route_callback (NMPlatform *platform, int obj_type_i, int ifindex, const NMPlatformIP6Route *received, int change_type_i, SignalData *data)
{
const NMPObjectType obj_type = obj_type_i;
const NMPlatformSignalChangeType change_type = change_type_i;
NMPObject o_id;
nm_auto_nmpobj NMPObject *o_id_p = nmp_object_new (NMP_OBJECT_TYPE_IP6_ROUTE, NULL);
g_assert_cmpint (obj_type, ==, NMP_OBJECT_TYPE_IP6_ROUTE);
g_assert (received);
g_assert_cmpint (received->ifindex, ==, ifindex);
g_assert (data && data->name);
g_assert_cmpstr (data->name, ==, NM_PLATFORM_SIGNAL_IP6_ROUTE_CHANGED);
/* run code for initializing the ID only */
nmp_object_stackinit_id (&o_id, NMP_OBJECT_UP_CAST (received));
nmp_object_copy (o_id_p, NMP_OBJECT_UP_CAST (received), TRUE);
nmp_object_copy (o_id_p, NMP_OBJECT_UP_CAST (received), FALSE);
if (data->ifindex && data->ifindex != received->ifindex)
return;
if (data->change_type != change_type)
return;
if (data->loop)
g_main_loop_quit (data->loop);
data->received_count++;
_LOGD ("Received signal '%s' %dth time.", data->name, data->received_count);
}
static void
test_ip4_route_metric0 (void)
{
int ifindex = nm_platform_link_get_ifindex (NM_PLATFORM_GET, DEVICE_NAME);
SignalData *route_added = add_signal (NM_PLATFORM_SIGNAL_IP4_ROUTE_CHANGED, NM_PLATFORM_SIGNAL_ADDED, ip4_route_callback);
SignalData *route_changed = add_signal (NM_PLATFORM_SIGNAL_IP4_ROUTE_CHANGED, NM_PLATFORM_SIGNAL_CHANGED, ip4_route_callback);
SignalData *route_removed = add_signal (NM_PLATFORM_SIGNAL_IP4_ROUTE_CHANGED, NM_PLATFORM_SIGNAL_REMOVED, ip4_route_callback);
in_addr_t network = nmtst_inet4_from_string ("192.0.2.5"); /* from 192.0.2.0/24 (TEST-NET-1) (rfc5737) */
int plen = 32;
int metric = 22987;
int mss = 1000;
/* No routes initially */
nmtstp_assert_ip4_route_exists (NULL, 0, DEVICE_NAME, network, plen, 0, 0);
nmtstp_assert_ip4_route_exists (NULL, 0, DEVICE_NAME, network, plen, metric, 0);
/* add the first route */
nmtstp_ip4_route_add (NM_PLATFORM_GET, ifindex, NM_IP_CONFIG_SOURCE_USER, network, plen, INADDR_ANY, 0, metric, mss);
accept_signal (route_added);
nmtstp_assert_ip4_route_exists (NULL, 0, DEVICE_NAME, network, plen, 0, 0);
nmtstp_assert_ip4_route_exists (NULL, 1, DEVICE_NAME, network, plen, metric, 0);
/* Deleting route with metric 0 does nothing */
g_assert (nmtstp_platform_ip4_route_delete (NM_PLATFORM_GET, ifindex, network, plen, 0));
ensure_no_signal (route_removed);
nmtstp_assert_ip4_route_exists (NULL, 0, DEVICE_NAME, network, plen, 0, 0);
nmtstp_assert_ip4_route_exists (NULL, 1, DEVICE_NAME, network, plen, metric, 0);
/* add the second route */
nmtstp_ip4_route_add (NM_PLATFORM_GET, ifindex, NM_IP_CONFIG_SOURCE_USER, network, plen, INADDR_ANY, 0, 0, mss);
accept_signal (route_added);
nmtstp_assert_ip4_route_exists (NULL, 1, DEVICE_NAME, network, plen, 0, 0);
nmtstp_assert_ip4_route_exists (NULL, 1, DEVICE_NAME, network, plen, metric, 0);
/* Delete route with metric 0 */
g_assert (nmtstp_platform_ip4_route_delete (NM_PLATFORM_GET, ifindex, network, plen, 0));
accept_signal (route_removed);
nmtstp_assert_ip4_route_exists (NULL, 0, DEVICE_NAME, network, plen, 0, 0);
nmtstp_assert_ip4_route_exists (NULL, 1, DEVICE_NAME, network, plen, metric, 0);
/* Delete route with metric 0 again (we expect nothing to happen) */
g_assert (nmtstp_platform_ip4_route_delete (NM_PLATFORM_GET, ifindex, network, plen, 0));
ensure_no_signal (route_removed);
nmtstp_assert_ip4_route_exists (NULL, 0, DEVICE_NAME, network, plen, 0, 0);
nmtstp_assert_ip4_route_exists (NULL, 1, DEVICE_NAME, network, plen, metric, 0);
/* Delete the other route */
g_assert (nmtstp_platform_ip4_route_delete (NM_PLATFORM_GET, ifindex, network, plen, metric));
accept_signal (route_removed);
nmtstp_assert_ip4_route_exists (NULL, 0, DEVICE_NAME, network, plen, 0, 0);
nmtstp_assert_ip4_route_exists (NULL, 0, DEVICE_NAME, network, plen, metric, 0);
free_signal (route_added);
free_signal (route_changed);
free_signal (route_removed);
}
static void
test_ip4_route (void)
{
int ifindex = nm_platform_link_get_ifindex (NM_PLATFORM_GET, DEVICE_NAME);
SignalData *route_added = add_signal (NM_PLATFORM_SIGNAL_IP4_ROUTE_CHANGED, NM_PLATFORM_SIGNAL_ADDED, ip4_route_callback);
SignalData *route_changed = add_signal (NM_PLATFORM_SIGNAL_IP4_ROUTE_CHANGED, NM_PLATFORM_SIGNAL_CHANGED, ip4_route_callback);
SignalData *route_removed = add_signal (NM_PLATFORM_SIGNAL_IP4_ROUTE_CHANGED, NM_PLATFORM_SIGNAL_REMOVED, ip4_route_callback);
GPtrArray *routes;
NMPlatformIP4Route rts[3];
in_addr_t network;
guint8 plen = 24;
in_addr_t gateway;
/* Choose a high metric so that we hopefully don't conflict. */
int metric = 22986;
int mss = 1000;
inet_pton (AF_INET, "192.0.3.0", &network);
inet_pton (AF_INET, "198.51.100.1", &gateway);
/* Add route to gateway */
nmtstp_ip4_route_add (NM_PLATFORM_GET, ifindex, NM_IP_CONFIG_SOURCE_USER, gateway, 32, INADDR_ANY, 0, metric, mss);
accept_signal (route_added);
/* Add route */
nmtstp_assert_ip4_route_exists (NULL, 0, DEVICE_NAME, network, plen, metric, 0);
nmtstp_ip4_route_add (NM_PLATFORM_GET, ifindex, NM_IP_CONFIG_SOURCE_USER, network, plen, gateway, 0, metric, mss);
nmtstp_assert_ip4_route_exists (NULL, 1, DEVICE_NAME, network, plen, metric, 0);
accept_signal (route_added);
/* Add route again */
nmtstp_ip4_route_add (NM_PLATFORM_GET, ifindex, NM_IP_CONFIG_SOURCE_USER, network, plen, gateway, 0, metric, mss);
accept_signals (route_changed, 0, 1);
/* Add default route */
nmtstp_assert_ip4_route_exists (NULL, 0, DEVICE_NAME, 0, 0, metric, 0);
nmtstp_ip4_route_add (NM_PLATFORM_GET, ifindex, NM_IP_CONFIG_SOURCE_USER, 0, 0, gateway, 0, metric, mss);
nmtstp_assert_ip4_route_exists (NULL, 1, DEVICE_NAME, 0, 0, metric, 0);
accept_signal (route_added);
/* Add default route again */
nmtstp_ip4_route_add (NM_PLATFORM_GET, ifindex, NM_IP_CONFIG_SOURCE_USER, 0, 0, gateway, 0, metric, mss);
accept_signals (route_changed, 0, 1);
/* Test route listing */
routes = nmtstp_ip4_route_get_all (NM_PLATFORM_GET, ifindex);
memset (rts, 0, sizeof (rts));
rts[0].rt_source = nmp_utils_ip_config_source_round_trip_rtprot (NM_IP_CONFIG_SOURCE_USER);
rts[0].network = gateway;
rts[0].plen = 32;
rts[0].ifindex = ifindex;
rts[0].gateway = INADDR_ANY;
rts[0].metric = metric;
rts[0].mss = mss;
rts[0].scope_inv = nm_platform_route_scope_inv (RT_SCOPE_LINK);
rts[1].rt_source = nmp_utils_ip_config_source_round_trip_rtprot (NM_IP_CONFIG_SOURCE_USER);
rts[1].network = network;
rts[1].plen = plen;
rts[1].ifindex = ifindex;
rts[1].gateway = gateway;
rts[1].metric = metric;
rts[1].mss = mss;
rts[1].scope_inv = nm_platform_route_scope_inv (RT_SCOPE_UNIVERSE);
rts[2].rt_source = nmp_utils_ip_config_source_round_trip_rtprot (NM_IP_CONFIG_SOURCE_USER);
rts[2].network = 0;
rts[2].plen = 0;
rts[2].ifindex = ifindex;
rts[2].gateway = gateway;
rts[2].metric = metric;
rts[2].mss = mss;
rts[2].scope_inv = nm_platform_route_scope_inv (RT_SCOPE_UNIVERSE);
g_assert_cmpint (routes->len, ==, 3);
nmtst_platform_ip4_routes_equal_aptr ((const NMPObject *const*) routes->pdata, rts, routes->len, TRUE);
g_ptr_array_unref (routes);
/* Remove route */
g_assert (nmtstp_platform_ip4_route_delete (NM_PLATFORM_GET, ifindex, network, plen, metric));
nmtstp_assert_ip4_route_exists (NULL, 0, DEVICE_NAME, network, plen, metric, 0);
accept_signal (route_removed);
/* Remove route again */
g_assert (nmtstp_platform_ip4_route_delete (NM_PLATFORM_GET, ifindex, network, plen, metric));
/* Remove default route */
g_assert (nmtstp_platform_ip4_route_delete (NM_PLATFORM_GET, ifindex, 0, 0, metric));
accept_signal (route_removed);
/* Remove route to gateway */
g_assert (nmtstp_platform_ip4_route_delete (NM_PLATFORM_GET, ifindex, gateway, 32, metric));
accept_signal (route_removed);
free_signal (route_added);
free_signal (route_changed);
free_signal (route_removed);
}
static void
test_ip6_route (void)
{
int ifindex = nm_platform_link_get_ifindex (NM_PLATFORM_GET, DEVICE_NAME);
SignalData *route_added = add_signal (NM_PLATFORM_SIGNAL_IP6_ROUTE_CHANGED, NM_PLATFORM_SIGNAL_ADDED, ip6_route_callback);
SignalData *route_changed = add_signal (NM_PLATFORM_SIGNAL_IP6_ROUTE_CHANGED, NM_PLATFORM_SIGNAL_CHANGED, ip6_route_callback);
SignalData *route_removed = add_signal (NM_PLATFORM_SIGNAL_IP6_ROUTE_CHANGED, NM_PLATFORM_SIGNAL_REMOVED, ip6_route_callback);
GPtrArray *routes;
NMPlatformIP6Route rts[3];
struct in6_addr network;
guint8 plen = 64;
struct in6_addr gateway, pref_src;
/* Choose a high metric so that we hopefully don't conflict. */
const int metric = 22987;
int mss = 1000;
inet_pton (AF_INET6, "2001:db8:a:b:0:0:0:0", &network);
inet_pton (AF_INET6, "2001:db8:c:d:1:2:3:4", &gateway);
inet_pton (AF_INET6, "::42", &pref_src);
g_assert (nm_platform_ip6_address_add (NM_PLATFORM_GET, ifindex, pref_src, 128, in6addr_any,
NM_PLATFORM_LIFETIME_PERMANENT, NM_PLATFORM_LIFETIME_PERMANENT, 0));
accept_signals (route_added, 0, 3);
_wait_for_ipv6_addr_non_tentative (NM_PLATFORM_GET, 200, ifindex, 1, &pref_src);
/* Add route to gateway */
nmtstp_ip6_route_add (NM_PLATFORM_GET, ifindex, NM_IP_CONFIG_SOURCE_USER, gateway, 128, in6addr_any, in6addr_any, metric, mss);
accept_signals (route_added, 0, 3);
/* Add route */
g_assert (!nmtstp_ip6_route_get (NM_PLATFORM_GET, ifindex, &network, plen, metric, NULL, 0));
nmtstp_ip6_route_add (NM_PLATFORM_GET, ifindex, NM_IP_CONFIG_SOURCE_USER, network, plen, gateway, pref_src, metric, mss);
g_assert (nmtstp_ip6_route_get (NM_PLATFORM_GET, ifindex, &network, plen, metric, NULL, 0));
accept_signal (route_added);
/* Add route again */
nmtstp_ip6_route_add (NM_PLATFORM_GET, ifindex, NM_IP_CONFIG_SOURCE_USER, network, plen, gateway, pref_src, metric, mss);
accept_signals (route_changed, 0, 1);
/* Add default route */
g_assert (!nmtstp_ip6_route_get (NM_PLATFORM_GET, ifindex, &in6addr_any, 0, metric, NULL, 0));
nmtstp_ip6_route_add (NM_PLATFORM_GET, ifindex, NM_IP_CONFIG_SOURCE_USER, in6addr_any, 0, gateway, in6addr_any, metric, mss);
g_assert (nmtstp_ip6_route_get (NM_PLATFORM_GET, ifindex, &in6addr_any, 0, metric, NULL, 0));
accept_signal (route_added);
/* Add default route again */
nmtstp_ip6_route_add (NM_PLATFORM_GET, ifindex, NM_IP_CONFIG_SOURCE_USER, in6addr_any, 0, gateway, in6addr_any, metric, mss);
accept_signals (route_changed, 0, 1);
/* Test route listing */
routes = nmtstp_ip6_route_get_all (NM_PLATFORM_GET, ifindex);
memset (rts, 0, sizeof (rts));
rts[0].rt_source = nmp_utils_ip_config_source_round_trip_rtprot (NM_IP_CONFIG_SOURCE_USER);
rts[0].network = gateway;
rts[0].plen = 128;
rts[0].ifindex = ifindex;
rts[0].gateway = in6addr_any;
rts[0].pref_src = in6addr_any;
rts[0].metric = metric;
rts[0].mss = mss;
rts[1].rt_source = nmp_utils_ip_config_source_round_trip_rtprot (NM_IP_CONFIG_SOURCE_USER);
rts[1].network = network;
rts[1].plen = plen;
rts[1].ifindex = ifindex;
rts[1].gateway = gateway;
rts[1].pref_src = pref_src;
rts[1].metric = metric;
rts[1].mss = mss;
rts[2].rt_source = nmp_utils_ip_config_source_round_trip_rtprot (NM_IP_CONFIG_SOURCE_USER);
rts[2].network = in6addr_any;
rts[2].plen = 0;
rts[2].ifindex = ifindex;
rts[2].gateway = gateway;
rts[2].pref_src = in6addr_any;
rts[2].metric = metric;
rts[2].mss = mss;
g_assert_cmpint (routes->len, ==, 3);
nmtst_platform_ip6_routes_equal_aptr ((const NMPObject *const*) routes->pdata, rts, routes->len, TRUE);
g_ptr_array_unref (routes);
/* Remove route */
g_assert (nmtstp_platform_ip6_route_delete (NM_PLATFORM_GET, ifindex, network, plen, metric));
g_assert (!nmtstp_ip6_route_get (NM_PLATFORM_GET, ifindex, &network, plen, metric, NULL, 0));
accept_signal (route_removed);
/* Remove route again */
g_assert (nmtstp_platform_ip6_route_delete (NM_PLATFORM_GET, ifindex, network, plen, metric));
/* Remove default route */
g_assert (nmtstp_platform_ip6_route_delete (NM_PLATFORM_GET, ifindex, in6addr_any, 0, metric));
accept_signal (route_removed);
/* Remove route to gateway */
g_assert (nmtstp_platform_ip6_route_delete (NM_PLATFORM_GET, ifindex, gateway, 128, metric));
accept_signal (route_removed);
free_signal (route_added);
free_signal (route_changed);
free_signal (route_removed);
}
/*****************************************************************************/
static void
test_ip4_route_get (void)
{
int ifindex = nm_platform_link_get_ifindex (NM_PLATFORM_GET, DEVICE_NAME);
in_addr_t a;
int result;
nm_auto_nmpobj NMPObject *route = NULL;
const NMPlatformIP4Route *r;
nmtstp_run_command_check ("ip route add 1.2.3.0/24 dev %s", DEVICE_NAME);
NMTST_WAIT_ASSERT (100, {
nmtstp_wait_for_signal (NM_PLATFORM_GET, 10);
if (nmtstp_ip4_route_get (NM_PLATFORM_GET, ifindex, nmtst_inet4_from_string ("1.2.3.0"), 24, 0, 0))
break;
});
a = nmtst_inet4_from_string ("1.2.3.1");
result = nm_platform_ip_route_get (NM_PLATFORM_GET,
AF_INET,
&a,
nmtst_get_rand_uint32 () % 2 ? 0 : ifindex,
&route);
g_assert (NMTST_NM_ERR_SUCCESS (result));
g_assert (NMP_OBJECT_GET_TYPE (route) == NMP_OBJECT_TYPE_IP4_ROUTE);
g_assert (!NMP_OBJECT_IS_STACKINIT (route));
g_assert (route->parent._ref_count == 1);
r = NMP_OBJECT_CAST_IP4_ROUTE (route);
g_assert (NM_FLAGS_HAS (r->r_rtm_flags, RTM_F_CLONED));
g_assert (r->ifindex == ifindex);
g_assert (r->network == a);
g_assert (r->plen == 32);
nmtstp_run_command_check ("ip route flush dev %s", DEVICE_NAME);
nmtstp_wait_for_signal (NM_PLATFORM_GET, 50);
}
static void
test_ip4_zero_gateway (void)
{
int ifindex = nm_platform_link_get_ifindex (NM_PLATFORM_GET, DEVICE_NAME);
nmtstp_run_command_check ("ip route add 1.2.3.1/32 via 0.0.0.0 dev %s", DEVICE_NAME);
nmtstp_run_command_check ("ip route add 1.2.3.2/32 dev %s", DEVICE_NAME);
NMTST_WAIT_ASSERT (100, {
nmtstp_wait_for_signal (NM_PLATFORM_GET, 10);
if ( nmtstp_ip4_route_get (NM_PLATFORM_GET, ifindex, nmtst_inet4_from_string ("1.2.3.1"), 32, 0, 0)
&& nmtstp_ip4_route_get (NM_PLATFORM_GET, ifindex, nmtst_inet4_from_string ("1.2.3.2"), 32, 0, 0))
break;
});
nmtstp_run_command_check ("ip route flush dev %s", DEVICE_NAME);
nmtstp_wait_for_signal (NM_PLATFORM_GET, 50);
}
static void
test_ip4_route_options (gconstpointer test_data)
{
const int TEST_IDX = GPOINTER_TO_INT (test_data);
const int IFINDEX = nm_platform_link_get_ifindex (NM_PLATFORM_GET, DEVICE_NAME);
gs_unref_ptrarray GPtrArray *routes = NULL;
#define RTS_MAX 3
NMPlatformIP4Route rts_add[RTS_MAX] = { };
NMPlatformIP4Route rts_cmp[RTS_MAX] = { };
NMPlatformIP4Address addr[1] = { };
guint i;
guint rts_n = 0;
guint addr_n = 0;
switch (TEST_IDX) {
case 1:
rts_add[rts_n++] = ((NMPlatformIP4Route) {
.ifindex = IFINDEX,
.rt_source = NM_IP_CONFIG_SOURCE_USER,
.network = nmtst_inet4_from_string ("172.16.1.0"),
.plen = 24,
.metric = 20,
.tos = 0x28,
.window = 10000,
.cwnd = 16,
.initcwnd = 30,
.initrwnd = 50,
.mtu = 1350,
.lock_cwnd = TRUE,
});
break;
case 2:
addr[addr_n++] = ((NMPlatformIP4Address) {
.ifindex = IFINDEX,
.address = nmtst_inet4_from_string ("172.16.1.5"),
.peer_address = nmtst_inet4_from_string ("172.16.1.5"),
.plen = 24,
.lifetime = NM_PLATFORM_LIFETIME_PERMANENT,
.preferred = NM_PLATFORM_LIFETIME_PERMANENT,
.n_ifa_flags = 0,
});
rts_add[rts_n++] = ((NMPlatformIP4Route) {
.ifindex = IFINDEX,
.rt_source = NM_IP_CONFIG_SOURCE_USER,
.network = nmtst_inet4_from_string ("172.17.1.0"),
.gateway = nmtst_inet4_from_string ("172.16.1.1"),
.plen = 24,
.metric = 20,
});
rts_add[rts_n++] = ((NMPlatformIP4Route) {
.ifindex = IFINDEX,
.rt_source = NM_IP_CONFIG_SOURCE_USER,
.network = nmtst_inet4_from_string ("172.19.1.0"),
.gateway = nmtst_inet4_from_string ("172.18.1.1"),
.r_rtm_flags = RTNH_F_ONLINK,
.plen = 24,
.metric = 20,
});
break;
default:
g_assert_not_reached ();
break;
}
g_assert (rts_n <= G_N_ELEMENTS (rts_add));
g_assert (addr_n <= G_N_ELEMENTS (addr));
for (i = 0; i < addr_n; i++) {
const NMPlatformIP4Address *a = &addr[i];
g_assert (a->ifindex == IFINDEX);
g_assert (nm_platform_ip4_address_add (NM_PLATFORM_GET,
a->ifindex,
a->address,
a->plen,
a->peer_address,
nm_platform_ip4_broadcast_address_create (a->address, a->plen),
a->lifetime,
a->preferred,
a->n_ifa_flags,
a->label));
if (a->peer_address == a->address)
_wait_for_ipv4_addr_device_route (NM_PLATFORM_GET, 200, a->ifindex, a->address, a->plen);
}
for (i = 0; i < rts_n; i++)
g_assert (NMTST_NM_ERR_SUCCESS (nm_platform_ip4_route_add (NM_PLATFORM_GET, NMP_NLM_FLAG_REPLACE, &rts_add[i])));
for (i = 0; i < rts_n; i++) {
rts_cmp[i] = rts_add[i];
nm_platform_ip_route_normalize (AF_INET, NM_PLATFORM_IP_ROUTE_CAST (&rts_cmp[i]));
}
routes = nmtstp_ip4_route_get_all (NM_PLATFORM_GET, IFINDEX);
g_assert_cmpint (routes->len, ==, rts_n);
nmtst_platform_ip4_routes_equal_aptr ((const NMPObject *const*) routes->pdata, rts_cmp, routes->len, TRUE);
for (i = 0; i < rts_n; i++) {
g_assert (nmtstp_platform_ip4_route_delete (NM_PLATFORM_GET, IFINDEX,
rts_add[i].network, rts_add[i].plen,
rts_add[i].metric));
}
#undef RTS_MAX
}
static void
test_ip6_route_get (void)
{
int ifindex = nm_platform_link_get_ifindex (NM_PLATFORM_GET, DEVICE_NAME);
const struct in6_addr *a;
int result;
nm_auto_nmpobj NMPObject *route = NULL;
const NMPlatformIP6Route *r;
nmtstp_run_command_check ("ip -6 route add fd01:abcd::/64 via fe80::99 dev %s", DEVICE_NAME);
NMTST_WAIT_ASSERT (100, {
nmtstp_wait_for_signal (NM_PLATFORM_GET, 10);
if (nmtstp_ip6_route_get (NM_PLATFORM_GET,
ifindex,
nmtst_inet6_from_string ("fd01:abcd::"),
64,
NM_PLATFORM_ROUTE_METRIC_DEFAULT_IP6,
NULL,
0))
break;
});
a = nmtst_inet6_from_string ("fd01:abcd::42");
result = nm_platform_ip_route_get (NM_PLATFORM_GET,
AF_INET6,
a,
nmtst_get_rand_uint32 () % 2 ? 0 : ifindex,
&route);
g_assert (NMTST_NM_ERR_SUCCESS (result));
g_assert (NMP_OBJECT_GET_TYPE (route) == NMP_OBJECT_TYPE_IP6_ROUTE);
g_assert (!NMP_OBJECT_IS_STACKINIT (route));
g_assert (route->parent._ref_count == 1);
r = NMP_OBJECT_CAST_IP6_ROUTE (route);
g_assert (r->ifindex == ifindex);
nmtst_assert_ip6_address (&r->network, "fd01:abcd::42");
g_assert_cmpint (r->plen, ==, 128);
nmtst_assert_ip6_address (&r->gateway, "fe80::99");
nmtstp_run_command_check ("ip -6 route flush dev %s", DEVICE_NAME);
nmtstp_wait_for_signal (NM_PLATFORM_GET, 50);
}
static void
test_ip6_route_options (gconstpointer test_data)
{
const int TEST_IDX = GPOINTER_TO_INT (test_data);
const int IFINDEX = nm_platform_link_get_ifindex (NM_PLATFORM_GET, DEVICE_NAME);
gs_unref_ptrarray GPtrArray *routes = NULL;
#define RTS_MAX 3
NMPlatformIP6Route rts_add[RTS_MAX] = { };
NMPlatformIP6Route rts_cmp[RTS_MAX] = { };
NMPlatformIP6Address addr[1] = { };
struct in6_addr addr_in6[G_N_ELEMENTS (addr)] = { };
guint rts_n = 0;
guint addr_n = 0;
guint i;
switch (TEST_IDX) {
case 1:
rts_add[rts_n++] = ((NMPlatformIP6Route) {
.ifindex = IFINDEX,
.rt_source = NM_IP_CONFIG_SOURCE_USER,
.network = *nmtst_inet6_from_string ("2001:db8:a:b:0:0:0:0"),
.plen = 64,
.gateway = in6addr_any,
.metric = 1024,
.window = 20000,
.cwnd = 8,
.initcwnd = 22,
.initrwnd = 33,
.mtu = 1300,
.lock_mtu = TRUE,
});
break;
case 2:
addr[addr_n++] = ((NMPlatformIP6Address) {
.ifindex = IFINDEX,
.address = *nmtst_inet6_from_string ("2000::2"),
.plen = 128,
.peer_address = in6addr_any,
.lifetime = NM_PLATFORM_LIFETIME_PERMANENT,
.preferred = NM_PLATFORM_LIFETIME_PERMANENT,
.n_ifa_flags = 0,
});
rts_add[rts_n++] = ((NMPlatformIP6Route) {
.ifindex = IFINDEX,
.rt_source = NM_IP_CONFIG_SOURCE_USER,
.network = *nmtst_inet6_from_string ("1010::1"),
.plen = 128,
.gateway = in6addr_any,
.metric = 256,
.pref_src = *nmtst_inet6_from_string ("2000::2"),
});
break;
case 3:
addr[addr_n++] = ((NMPlatformIP6Address) {
.ifindex = IFINDEX,
.address = *nmtst_inet6_from_string ("2001:db8:8086::5"),
.plen = 128,
.peer_address = in6addr_any,
.lifetime = NM_PLATFORM_LIFETIME_PERMANENT,
.preferred = NM_PLATFORM_LIFETIME_PERMANENT,
.n_ifa_flags = 0,
});
rts_add[rts_n++] = ((NMPlatformIP6Route) {
.ifindex = IFINDEX,
.rt_source = nmp_utils_ip_config_source_round_trip_rtprot (NM_IP_CONFIG_SOURCE_USER),
.network = *nmtst_inet6_from_string ("2001:db8:8086::"),
.plen = 110,
.metric = 10021,
.mss = 0,
});
rts_add[rts_n++] = ((NMPlatformIP6Route) {
.ifindex = IFINDEX,
.rt_source = nmp_utils_ip_config_source_round_trip_rtprot (NM_IP_CONFIG_SOURCE_USER),
.network = *nmtst_inet6_from_string ("2001:db8:abad:c0de::"),
.plen = 64,
.gateway = *nmtst_inet6_from_string ("2001:db8:8086::1"),
.metric = 21,
.mss = 0,
});
break;
default:
g_assert_not_reached ();
}
g_assert (rts_n <= G_N_ELEMENTS (rts_add));
g_assert (addr_n <= G_N_ELEMENTS (addr));
for (i = 0; i < addr_n; i++) {
g_assert (addr[i].ifindex == IFINDEX);
addr_in6[i] = addr[i].address;
g_assert (nm_platform_ip6_address_add (NM_PLATFORM_GET,
IFINDEX,
addr[i].address,
addr[i].plen,
addr[i].peer_address,
addr[i].lifetime,
addr[i].preferred,
addr[i].n_ifa_flags));
}
_wait_for_ipv6_addr_non_tentative (NM_PLATFORM_GET, 400, IFINDEX, addr_n, addr_in6);
for (i = 0; i < rts_n; i++)
g_assert (NMTST_NM_ERR_SUCCESS (nm_platform_ip6_route_add (NM_PLATFORM_GET, NMP_NLM_FLAG_REPLACE, &rts_add[i])));
for (i = 0; i < rts_n; i++) {
rts_cmp[i] = rts_add[i];
nm_platform_ip_route_normalize (AF_INET6, NM_PLATFORM_IP_ROUTE_CAST (&rts_cmp[i]));
}
routes = nmtstp_ip6_route_get_all (NM_PLATFORM_GET, IFINDEX);
g_assert_cmpint (routes->len, ==, rts_n);
nmtst_platform_ip6_routes_equal_aptr ((const NMPObject *const*) routes->pdata, rts_cmp, routes->len, TRUE);
for (i = 0; i < rts_n; i++) {
g_assert (nmtstp_platform_ip6_route_delete (NM_PLATFORM_GET, IFINDEX,
rts_add[i].network, rts_add[i].plen,
rts_add[i].metric));
}
for (i = 0; i < addr_n; i++) {
nmtstp_ip6_address_del (NM_PLATFORM_GET,
EX,
IFINDEX,
rts_add[i].network,
rts_add[i].plen);
}
#undef RTS_MAX
}
/*****************************************************************************/
static void
test_ip (gconstpointer test_data)
{
const int TEST_IDX = GPOINTER_TO_INT (test_data);
const int IFINDEX = nm_platform_link_get_ifindex (NM_PLATFORM_GET, DEVICE_NAME);
guint i, j, k;
const NMPlatformLink *l;
char ifname[IFNAMSIZ];
char ifname2[IFNAMSIZ];
char s1[NM_UTILS_INET_ADDRSTRLEN];
NMPlatform *platform = NM_PLATFORM_GET;
const int EX_ = -1;
struct {
int ifindex;
} iface_data[10] = { { 0 }, };
int order_idx[G_N_ELEMENTS (iface_data)] = { 0 };
guint order_len;
guint try;
for (i = 0; i < G_N_ELEMENTS (iface_data); i++) {
nm_sprintf_buf (ifname, "v%02u", i);
nm_sprintf_buf (ifname2, "w%02u", i);
g_assert (!nm_platform_link_get_by_ifname (platform, ifname));
g_assert (!nm_platform_link_get_by_ifname (platform, ifname2));
l = nmtstp_link_veth_add (platform, EX_, ifname, ifname2);
iface_data[i].ifindex = l->ifindex;
nmtstp_link_set_updown (platform, EX_, iface_data[i].ifindex, TRUE);
nmtstp_link_set_updown (platform, EX_, nmtstp_link_get (platform, -1, ifname2)->ifindex, TRUE);
nm_sprintf_buf (s1, "192.168.7.%d", 100 + i);
nmtstp_ip4_address_add (platform,
EX_,
iface_data[i].ifindex,
nmtst_inet4_from_string (s1),
24,
nmtst_inet4_from_string (s1),
3600,
3600,
0,
NULL);
}
order_len = 0;
for (try = 0; try < 5 * G_N_ELEMENTS (order_idx); try++) {
NMPObject o;
NMPlatformIP4Route *r;
guint idx;
const NMDedupMultiHeadEntry *head_entry;
NMPLookup lookup;
nmp_object_stackinit (&o, NMP_OBJECT_TYPE_IP4_ROUTE, NULL);
r = NMP_OBJECT_CAST_IP4_ROUTE (&o);
r->network = nmtst_inet4_from_string ("192.168.9.0");
r->plen = 24;
r->metric = 109;
if ( order_len == 0
|| ( order_len < G_N_ELEMENTS (order_idx)
&& nmtst_get_rand_uint32 () % 2)) {
again_find_idx:
idx = nmtst_get_rand_uint32 () % G_N_ELEMENTS (iface_data);
for (i = 0; i < order_len; i++) {
if (order_idx[i] == idx)
goto again_find_idx;
}
order_idx[order_len++] = idx;
r->ifindex = iface_data[idx].ifindex;
g_assert (NMTST_NM_ERR_SUCCESS (nm_platform_ip4_route_add (platform, NMP_NLM_FLAG_APPEND, r)));
} else {
i = nmtst_get_rand_uint32 () % order_len;
idx = order_idx[i];
for (i++; i < order_len; i++)
order_idx[i - 1] = order_idx[i];
order_len--;
r->ifindex = iface_data[idx].ifindex;
g_assert (nm_platform_object_delete (platform, &o));
}
head_entry = nm_platform_lookup (platform,
nmp_lookup_init_obj_type (&lookup, NMP_OBJECT_TYPE_IP4_ROUTE));
for (j = 0; j < G_N_ELEMENTS (iface_data); j++) {
gboolean has;
NMDedupMultiIter iter;
const NMPObject *o_cached;
has = FALSE;
for (k = 0; k < order_len; k++) {
if (order_idx[k] == j) {
g_assert (!has);
has = TRUE;
}
}
nmp_cache_iter_for_each (&iter, head_entry, &o_cached) {
const NMPlatformIP4Route *r_cached = NMP_OBJECT_CAST_IP4_ROUTE (o_cached);
if ( r_cached->ifindex != iface_data[j].ifindex
|| r_cached->metric != 109)
continue;
g_assert (has);
has = FALSE;
}
g_assert (!has);
}
}
for (i = 0; i < G_N_ELEMENTS (iface_data); i++)
g_assert (nm_platform_link_delete (platform, iface_data[i].ifindex));
(void) TEST_IDX;
(void) IFINDEX;
}
/*****************************************************************************/
#define FRA_SUPPRESS_IFGROUP 13
#define FRA_SUPPRESS_PREFIXLEN 14
#define FRA_L3MDEV 19
#define FRA_UID_RANGE 20
#define FRA_PROTOCOL 21
#define FRA_IP_PROTO 22
#define FRA_SPORT_RANGE 23
#define FRA_DPORT_RANGE 24
static const NMPObject *
_rule_find_by_priority (NMPlatform *platform,
guint32 priority)
{
const NMDedupMultiHeadEntry *head_entry;
NMDedupMultiIter iter;
const NMPObject *o;
const NMPObject *obj = NULL;
NMPLookup lookup;
nmp_lookup_init_obj_type (&lookup, NMP_OBJECT_TYPE_ROUTING_RULE);
head_entry = nm_platform_lookup (platform, &lookup);
nmp_cache_iter_for_each (&iter, head_entry, &o) {
if (NMP_OBJECT_CAST_ROUTING_RULE (o)->priority != priority)
continue;
g_assert (!obj);
obj = o;
}
return obj;
}
static const NMPObject *
_rule_check_kernel_support_one (NMPlatform *platform,
const NMPlatformRoutingRule *rr)
{
nm_auto_nmpobj const NMPObject *obj = NULL;
int r;
g_assert (!_rule_find_by_priority (platform, rr->priority));
r = nm_platform_routing_rule_add (platform, NMP_NLM_FLAG_ADD, rr);
g_assert_cmpint (r, ==, 0);
obj = nmp_object_ref (_rule_find_by_priority (platform, rr->priority));
g_assert (obj);
r = nm_platform_object_delete (platform, obj);
g_assert_cmpint (r, ==, TRUE);
g_assert (!_rule_find_by_priority (platform, rr->priority));
return g_steal_pointer (&obj);
}
static gboolean
_rule_check_kernel_support (NMPlatform *platform,
int attribute)
{
static int support[] = {
[FRA_SUPPRESS_IFGROUP] = 0,
[FRA_SUPPRESS_PREFIXLEN] = 0,
[FRA_L3MDEV] = 0,
[FRA_UID_RANGE] = 0,
[FRA_PROTOCOL] = 0,
[FRA_IP_PROTO] = 0,
[FRA_SPORT_RANGE] = 0,
[FRA_DPORT_RANGE] = 0,
};
const guint32 PROBE_PRORITY = 12033;
gboolean sup;
int i;
g_assert (NM_IS_PLATFORM (platform));
if (attribute == -1) {
for (i = 0; i < G_N_ELEMENTS (support); i++) {
if (support[i] < 0) {
/* indicate that some test was skipped. */
return FALSE;
}
}
return TRUE;
}
g_assert (attribute >= 0 && attribute < G_N_ELEMENTS (support));
if (support[attribute] != 0)
return support[attribute] >= 0;
switch (attribute) {
case FRA_SUPPRESS_IFGROUP: {
nm_auto_nmpobj const NMPObject *obj = NULL;
const NMPlatformRoutingRule rr = {
.addr_family = AF_INET,
.priority = PROBE_PRORITY,
.suppress_ifgroup_inverse = ~((guint32) 1245),
};
obj = _rule_check_kernel_support_one (platform, &rr);
sup = NMP_OBJECT_CAST_ROUTING_RULE (obj)->suppress_prefixlen_inverse == rr.suppress_ifgroup_inverse;
break;
}
case FRA_SUPPRESS_PREFIXLEN: {
nm_auto_nmpobj const NMPObject *obj = NULL;
const NMPlatformRoutingRule rr = {
.addr_family = AF_INET,
.priority = PROBE_PRORITY,
.suppress_prefixlen_inverse = ~((guint32) 1245),
};
obj = _rule_check_kernel_support_one (platform, &rr);
sup = NMP_OBJECT_CAST_ROUTING_RULE (obj)->suppress_prefixlen_inverse == rr.suppress_prefixlen_inverse;
break;
}
case FRA_L3MDEV: {
nm_auto_nmpobj const NMPObject *obj = NULL;
const NMPlatformRoutingRule rr = {
.addr_family = AF_INET,
.priority = PROBE_PRORITY,
.l3mdev = TRUE,
};
obj = _rule_check_kernel_support_one (platform, &rr);
sup = NMP_OBJECT_CAST_ROUTING_RULE (obj)->l3mdev != 0;
break;
}
case FRA_UID_RANGE: {
nm_auto_nmpobj const NMPObject *obj = NULL;
const NMPlatformRoutingRule rr = {
.addr_family = AF_INET,
.priority = PROBE_PRORITY,
.uid_range = {
.start = 0,
.end = 0,
},
.uid_range_has = TRUE,
};
obj = _rule_check_kernel_support_one (platform, &rr);
sup = NMP_OBJECT_CAST_ROUTING_RULE (obj)->uid_range_has;
break;
}
case FRA_PROTOCOL: {
nm_auto_nmpobj const NMPObject *obj = NULL;
const NMPlatformRoutingRule rr = {
.addr_family = AF_INET,
.priority = PROBE_PRORITY,
.protocol = 30,
};
obj = _rule_check_kernel_support_one (platform, &rr);
sup = NMP_OBJECT_CAST_ROUTING_RULE (obj)->protocol == 30;
break;
}
case FRA_IP_PROTO: {
nm_auto_nmpobj const NMPObject *obj = NULL;
const NMPlatformRoutingRule rr = {
.addr_family = AF_INET,
.priority = PROBE_PRORITY,
.ip_proto = 30,
};
obj = _rule_check_kernel_support_one (platform, &rr);
sup = NMP_OBJECT_CAST_ROUTING_RULE (obj)->ip_proto == 30;
break;
}
case FRA_SPORT_RANGE:
case FRA_DPORT_RANGE:
/* these were added at the same time as FRA_IP_PROTO. */
sup = _rule_check_kernel_support (platform, FRA_IP_PROTO);
break;
default:
g_assert_not_reached ();
return FALSE;
}
support[attribute] = sup ? 1 : -1;
_LOGD ("kernel support for routing rule attribute #%d %s", attribute, sup ? "detected" : "not detected");
return sup;
}
static const NMPObject *
_platform_has_routing_rule (NMPlatform *platform,
const NMPObject *obj)
{
const NMPObject *o;
g_assert (NM_IS_PLATFORM (platform));
g_assert (NMP_OBJECT_IS_VALID (obj));
g_assert (NMP_OBJECT_GET_TYPE (obj) == NMP_OBJECT_TYPE_ROUTING_RULE);
o = nm_platform_lookup_obj (platform, NMP_CACHE_ID_TYPE_OBJECT_TYPE, obj);
if (o)
g_assert (nm_platform_routing_rule_cmp (NMP_OBJECT_CAST_ROUTING_RULE (obj), NMP_OBJECT_CAST_ROUTING_RULE (o), NM_PLATFORM_ROUTING_RULE_CMP_TYPE_ID) == 0);
return o;
}
static guint32
_rr_rand_choose_u32 (guint32 p)
{
/* mostly, we just return zero. We want that each rule only has few
* fields set -- having most fields at zero. */
if ((p % 10000u) < 7500u)
return 0;
/* give 0xFFFFFFFFu extra probability. */
if ((p % 10000u) < 8250u)
return 0xFFFFFFFFu;
/* choose a small number. */
if ((p % 10000u) < 9125u)
return (~p) % 10;
/* finally, full random number. */
return ~p;
}
#define _rr_rand_choose_u8(p) ((guint8) _rr_rand_choose_u32 ((p)))
static const NMPObject *
_rule_create_random (NMPlatform *platform)
{
NMPObject *obj;
NMPlatformRoutingRule *rr;
guint32 p;
int addr_size;
guint i;
char saddr[NM_UTILS_INET_ADDRSTRLEN];
static struct {
guint32 uid;
guint32 euid;
bool initialized;
} uids;
if (G_UNLIKELY (!uids.initialized)) {
uids.uid = getuid ();
uids.euid = geteuid ();
uids.initialized = TRUE;
}
obj = nmp_object_new (NMP_OBJECT_TYPE_ROUTING_RULE, NULL);
rr = NMP_OBJECT_CAST_ROUTING_RULE (obj);
rr->addr_family = nmtst_rand_select (AF_INET, AF_INET6);
addr_size = nm_utils_addr_family_to_size (rr->addr_family);
p = nmtst_get_rand_uint32 ();
if ((p % 1000u) < 50)
rr->priority = 10000 + ((~p) % 20u);
p = nmtst_get_rand_uint32 ();
if ((p % 1000u) < 40)
nm_sprintf_buf (rr->iifname, "t-iif-%u", (~p) % 20);
else if ((p % 1000u) < 80)
nm_sprintf_buf (rr->iifname, "%s", DEVICE_NAME);
p = nmtst_get_rand_uint32 ();
if ((p % 1000u) < 40)
nm_sprintf_buf (rr->oifname, "t-oif-%d", (~p) % 20);
else if ((p % 1000u) < 80)
nm_sprintf_buf (rr->oifname, "%s", DEVICE_NAME);
for (i = 0; i < 2; i++) {
NMIPAddr *p_addr = i ? &rr->src : &rr->dst;
guint8 *p_len = i ? &rr->src_len : &rr->dst_len;
p = nmtst_get_rand_uint32 ();
if ((p % 1000u) < 100) {
/* if we set src_len/dst_len to zero, the src/dst is actually ignored.
*
* For fuzzying, still set the address. It shall have no further effect.
* */
*p_len = (~p) % (addr_size * 8 + 1);
p = nmtst_get_rand_uint32 ();
if ((p % 3u) == 0) {
if (rr->addr_family == AF_INET)
p_addr->addr4 = nmtst_inet4_from_string (nm_sprintf_buf (saddr, "192.192.5.%u", (~p) % 256u));
else
p_addr->addr6 = *nmtst_inet6_from_string (nm_sprintf_buf (saddr, "1:2:3:4::f:%02x", (~p) % 256u));
} else if ((p % 3u) == 1)
nmtst_rand_buf (NULL, p_addr, addr_size);
}
}
p = nmtst_get_rand_uint32 ();
if ((p % 1000u) < 50)
rr->tun_id = 10000 + ((~p) % 20);
again_action:
p = nmtst_get_rand_uint32 ();
if ((p % 1000u) < 500)
rr->action = FR_ACT_UNSPEC;
else if ((p % 1000u) < 750)
rr->action = (~p) % 12u;
else
rr->action = (~p) % 0x100u;
rr->priority = _rr_rand_choose_u32 (nmtst_get_rand_uint32 ());
if ( rr->action == FR_ACT_GOTO
&& rr->priority == G_MAXINT32)
goto again_action;
p = nmtst_get_rand_uint32 ();
if ((p % 10000u) < 100)
rr->goto_target = rr->priority + 1;
else
rr->goto_target = _rr_rand_choose_u32 (nmtst_get_rand_uint32 ());
if ( rr->action == FR_ACT_GOTO
&& rr->goto_target <= rr->priority)
goto again_action;
p = nmtst_get_rand_uint32 ();
if ((p % 1000u) < 25) {
if (_rule_check_kernel_support (platform, FRA_L3MDEV)) {
rr->l3mdev = TRUE;
rr->table = RT_TABLE_UNSPEC;
}
}
again_table:
if (!rr->l3mdev) {
p = nmtst_get_rand_uint32 ();
if ((p % 1000u) < 700)
rr->table = RT_TABLE_UNSPEC;
else if ((p % 1000u) < 850)
rr->table = RT_TABLE_MAIN;
else
rr->table = 10000 + ((~p) % 10);
if ( rr->action == FR_ACT_TO_TBL
&& rr->table == RT_TABLE_UNSPEC)
goto again_table;
}
rr->fwmark = _rr_rand_choose_u32 (nmtst_get_rand_uint32 ());
rr->fwmask = _rr_rand_choose_u32 (nmtst_get_rand_uint32 ());
rr->flow = _rr_rand_choose_u32 (nmtst_get_rand_uint32 ());
if (_rule_check_kernel_support (platform, FRA_PROTOCOL))
rr->protocol = _rr_rand_choose_u8 (nmtst_get_rand_uint32 ());
#define IPTOS_TOS_MASK 0x1E
again_tos:
rr->tos = _rr_rand_choose_u8 (nmtst_get_rand_uint32 ());
if ( rr->addr_family == AF_INET
&& rr->tos & ~IPTOS_TOS_MASK)
goto again_tos;
if (_rule_check_kernel_support (platform, FRA_IP_PROTO))
rr->ip_proto = _rr_rand_choose_u8 (nmtst_get_rand_uint32 ());
if (_rule_check_kernel_support (platform, FRA_SUPPRESS_PREFIXLEN))
rr->suppress_prefixlen_inverse = ~_rr_rand_choose_u32 (nmtst_get_rand_uint32 ());
if (_rule_check_kernel_support (platform, FRA_SUPPRESS_IFGROUP))
rr->suppress_ifgroup_inverse = ~_rr_rand_choose_u32 (nmtst_get_rand_uint32 ());
if (_rule_check_kernel_support (platform, FRA_UID_RANGE)) {
p = nmtst_get_rand_uint32 ();
rr->uid_range_has = (p % 10000u) < 200;
}
again_uid_range:
rr->uid_range.start = nmtst_rand_select (0u, uids.uid, uids.euid);
rr->uid_range.end = nmtst_rand_select (0u, uids.uid, uids.euid);
if (rr->uid_range_has) {
if (rr->uid_range.end < rr->uid_range.start)
NM_SWAP (&rr->uid_range.start, &rr->uid_range.end);
if ( rr->uid_range.start == ((guint32) -1)
|| rr->uid_range.end == ((guint32) -1))
goto again_uid_range;
}
for (i = 0; i < 2; i++) {
NMFibRulePortRange *range = i ? &rr->sport_range : &rr->dport_range;
int attribute = i ? FRA_SPORT_RANGE : FRA_DPORT_RANGE;
if (!_rule_check_kernel_support (platform, attribute))
continue;
p = nmtst_get_rand_uint32 ();
if ((p % 10000u) < 300) {
while (range->start == 0) {
p = p ^ nmtst_get_rand_uint32 ();
range->start = nmtst_rand_select (1u, 0xFFFEu, ((p ) % 0xFFFEu) + 1);
range->end = nmtst_rand_select (1u, 0xFFFEu, ((p >> 16) % 0xFFFEu) + 1, range->start);
if (range->end < range->start)
NM_SWAP (&range->start, &range->end);
}
}
}
p = nmtst_get_rand_uint32 () % 1000u;
if (p < 100)
rr->flags |= FIB_RULE_INVERT;
return obj;
}
static gboolean
_rule_fuzzy_equal (const NMPObject *obj,
const NMPObject *obj_comp,
int op_type)
{
const NMPlatformRoutingRule *rr = NMP_OBJECT_CAST_ROUTING_RULE (obj);
NMPlatformRoutingRule rr_co = *NMP_OBJECT_CAST_ROUTING_RULE (obj_comp);
switch (op_type) {
case RTM_NEWRULE:
/* when adding rules with RTM_NEWRULE, kernel checks whether an existing
* rule already exists and may fail with EEXIST. This check has issues
* and reject legitimate rules (rh#1686075).
*
* Work around that. */
if (rr->src_len == 0)
rr_co.src_len = 0;
if (rr->dst_len == 0)
rr_co.dst_len = 0;
if (rr->flow == 0)
rr_co.flow = 0;
if (rr->tos == 0)
rr_co.tos = 0;
rr_co.suppress_prefixlen_inverse = rr->suppress_prefixlen_inverse;
rr_co.suppress_ifgroup_inverse = rr->suppress_ifgroup_inverse;
if (!NM_FLAGS_HAS (rr->flags, FIB_RULE_INVERT))
rr_co.flags &= ~((guint32) FIB_RULE_INVERT);
else
rr_co.flags |= ((guint32) FIB_RULE_INVERT);
break;
case RTM_DELRULE:
/* when deleting a rule with RTM_DELRULE, kernel tries to find the
* candidate to delete. It might delete the wrong rule (rh#1685816). */
if (rr->action == FR_ACT_UNSPEC)
rr_co.action = FR_ACT_UNSPEC;
if (rr->iifname[0] == '\0')
rr_co.iifname[0] = '\0';
if (rr->oifname[0] == '\0')
rr_co.oifname[0] = '\0';
if (rr->src_len == 0)
rr_co.src_len = 0;
if (rr->dst_len == 0)
rr_co.dst_len = 0;
if (rr->tun_id == 0)
rr_co.tun_id = 0;
if (rr->fwmark == 0)
rr_co.fwmark = 0;
if (rr->fwmask == 0)
rr_co.fwmask = 0;
if (rr->flow == 0)
rr_co.flow = 0;
if (rr->protocol == 0)
rr_co.protocol = 0;
if (rr->table == RT_TABLE_UNSPEC)
rr_co.table = RT_TABLE_UNSPEC;
if (rr->l3mdev == 0)
rr_co.l3mdev = 0;
if (rr->tos == 0)
rr_co.tos = 0;
if (rr->ip_proto == 0)
rr_co.ip_proto = 0;
rr_co.suppress_prefixlen_inverse = rr->suppress_prefixlen_inverse;
if (rr->suppress_ifgroup_inverse == 0)
rr_co.suppress_ifgroup_inverse = 0;
if (!rr->uid_range_has)
rr_co.uid_range_has = FALSE;
if (rr->sport_range.start == 0 && rr->sport_range.end == 0) {
rr_co.sport_range.start = 0;
rr_co.sport_range.end = 0;
}
if (rr->dport_range.start == 0 && rr->dport_range.end == 0) {
rr_co.dport_range.start = 0;
rr_co.dport_range.end = 0;
}
if (!NM_FLAGS_HAS (rr->flags, FIB_RULE_INVERT))
rr_co.flags &= ~((guint32) FIB_RULE_INVERT);
else
rr_co.flags |= ((guint32) FIB_RULE_INVERT);
break;
default:
g_assert_not_reached ();
break;
}
return nm_platform_routing_rule_cmp (rr, &rr_co, NM_PLATFORM_ROUTING_RULE_CMP_TYPE_ID) == 0;
}
static void
test_rule (gconstpointer test_data)
{
const int TEST_IDX = GPOINTER_TO_INT (test_data);
const gboolean TEST_SYNC = (TEST_IDX == 4);
gs_unref_ptrarray GPtrArray *objs = NULL;
gs_unref_ptrarray GPtrArray *objs_initial = NULL;
NMPlatform *platform = NM_PLATFORM_GET;
guint i, j, n;
int r;
gboolean had_an_issue_exist = FALSE;
nm_platform_process_events (platform);
objs_initial = nmtstp_platform_routing_rules_get_all (platform, AF_UNSPEC);
g_assert (objs_initial);
g_assert_cmpint (objs_initial->len, ==, 5);
nmtstp_run_command_check ("ip rule add table 766");
nm_platform_process_events (platform);
for (i = 6; i > 0; i--) {
gs_unref_ptrarray GPtrArray *objs_extern = NULL;
const NMPObject *obj;
objs_extern = nmtstp_platform_routing_rules_get_all (platform, AF_UNSPEC);
g_assert (objs_extern);
g_assert_cmpint (objs_extern->len, ==, i);
if (TEST_IDX != 1)
nmtst_rand_perm (NULL, objs_extern->pdata, NULL, sizeof (gpointer), objs_extern->len);
obj = objs_extern->pdata[0];
r = nm_platform_object_delete (platform, obj);
g_assert_cmpint (r, ==, TRUE);
g_assert (!_platform_has_routing_rule (platform, obj));
}
g_assert_cmpint (nmtstp_platform_routing_rules_get_count (platform, AF_UNSPEC), ==, 0);
#define RR(...) \
nmp_object_new (NMP_OBJECT_TYPE_ROUTING_RULE, \
(const NMPlatformObject *) &((NMPlatformRoutingRule) { \
__VA_ARGS__ \
}))
objs = g_ptr_array_new_with_free_func ((GDestroyNotify) nmp_object_unref);
g_ptr_array_add (objs, RR (
.addr_family = AF_INET,
.priority = 10,
));
g_ptr_array_add (objs, RR (
.addr_family = AF_INET,
.priority = 400,
.action = FR_ACT_GOTO,
.goto_target = 10000,
));
g_ptr_array_add (objs, RR (
.addr_family = AF_INET6,
));
g_ptr_array_add (objs, RR (
.addr_family = AF_INET6,
.action = FR_ACT_TO_TBL,
.table = RT_TABLE_MAIN,
));
g_ptr_array_add (objs, RR (
.addr_family = AF_INET6,
.priority = 30,
));
g_ptr_array_add (objs, RR (
.addr_family = AF_INET6,
.priority = 50,
.iifname = "t-iif-1",
));
g_ptr_array_add (objs, RR (
.addr_family = AF_INET6,
.priority = 50,
.iifname = "t-oif-1",
));
g_ptr_array_add (objs, RR (
.addr_family = AF_INET,
.priority = 50,
.iifname = "t-oif-2",
));
g_ptr_array_add (objs, RR (
.addr_family = AF_INET,
.priority = 51,
.iifname = DEVICE_NAME,
));
if (TEST_IDX == 1) {
g_ptr_array_add (objs, RR (
.addr_family = AF_INET,
.table = 10000,
));
}
if (TEST_IDX != 1) {
nmtst_rand_perm (NULL, objs->pdata, NULL, sizeof (gpointer), objs->len);
g_ptr_array_set_size (objs, nmtst_get_rand_uint32 () % (objs->len + 1));
}
n = (TEST_IDX != 1) ? nmtst_get_rand_uint32 () % 50u : 0u;
for (i = 0; i < n; i++) {
nm_auto_nmpobj const NMPObject *o = NULL;
guint try = 0;
again:
o = _rule_create_random (platform);
for (j = 0; j < objs->len; j++) {
if (nm_platform_routing_rule_cmp (NMP_OBJECT_CAST_ROUTING_RULE (o),
NMP_OBJECT_CAST_ROUTING_RULE (objs->pdata[j]),
NM_PLATFORM_ROUTING_RULE_CMP_TYPE_ID) == 0) {
try++;
g_assert (try < 200);
nm_clear_pointer (&o, nmp_object_unref);
goto again;
}
}
g_ptr_array_add (objs, (gpointer) g_steal_pointer (&o));
}
if (TEST_IDX != 1)
nmtst_rand_perm (NULL, objs->pdata, NULL, sizeof (gpointer), objs->len);
if (TEST_SYNC) {
gs_unref_hashtable GHashTable *unique_priorities = g_hash_table_new (NULL, NULL);
nm_auto_unref_rules_manager NMPRulesManager *rules_manager = nmp_rules_manager_new (platform);
gs_unref_ptrarray GPtrArray *objs_sync = NULL;
gconstpointer USER_TAG_1 = &platform;
gconstpointer USER_TAG_2 = &unique_priorities;
objs_sync = g_ptr_array_new_with_free_func ((GDestroyNotify) nmp_object_unref);
/* ensure that priorities are unique. Otherwise, it confuses the test, because
* kernel may wrongly be unable to add/delete routes based on a wrong match
* (rh#1685816, rh#1685816). */
for (i = 0; i < objs->len; i++) {
const NMPObject *obj = objs->pdata[i];
guint32 prio = NMP_OBJECT_CAST_ROUTING_RULE (obj)->priority;
if ( !NM_IN_SET (prio, 0, 32766, 32767)
&& !g_hash_table_contains (unique_priorities, GUINT_TO_POINTER (prio))) {
g_hash_table_add (unique_priorities, GUINT_TO_POINTER (prio));
g_ptr_array_add (objs_sync, (gpointer) nmp_object_ref (obj));
}
}
for (i = 0; i < objs_sync->len; i++) {
nmp_rules_manager_track (rules_manager,
NMP_OBJECT_CAST_ROUTING_RULE (objs_sync->pdata[i]),
1,
USER_TAG_1,
NULL);
if (nmtst_get_rand_bool ()) {
/* this has no effect, because a negative priority (of same absolute value)
* has lower priority than the positive priority above. */
nmp_rules_manager_track (rules_manager,
NMP_OBJECT_CAST_ROUTING_RULE (objs_sync->pdata[i]),
-1,
USER_TAG_2,
NULL);
}
if (nmtst_get_rand_uint32 () % objs_sync->len == 0) {
nmp_rules_manager_sync (rules_manager, FALSE);
g_assert_cmpint (nmtstp_platform_routing_rules_get_count (platform, AF_UNSPEC), ==, i + 1);
}
}
nmp_rules_manager_sync (rules_manager, FALSE);
g_assert_cmpint (nmtstp_platform_routing_rules_get_count (platform, AF_UNSPEC), ==, objs_sync->len);
for (i = 0; i < objs_sync->len; i++) {
switch (nmtst_get_rand_uint32 () % 3) {
case 0:
nmp_rules_manager_untrack (rules_manager,
NMP_OBJECT_CAST_ROUTING_RULE (objs_sync->pdata[i]),
USER_TAG_1);
nmp_rules_manager_untrack (rules_manager,
NMP_OBJECT_CAST_ROUTING_RULE (objs_sync->pdata[i]),
USER_TAG_1);
break;
case 1:
nmp_rules_manager_track (rules_manager,
NMP_OBJECT_CAST_ROUTING_RULE (objs_sync->pdata[i]),
-1,
USER_TAG_1,
NULL);
break;
case 2:
nmp_rules_manager_track (rules_manager,
NMP_OBJECT_CAST_ROUTING_RULE (objs_sync->pdata[i]),
-2,
USER_TAG_2,
NULL);
break;
}
if (nmtst_get_rand_uint32 () % objs_sync->len == 0) {
nmp_rules_manager_sync (rules_manager, FALSE);
g_assert_cmpint (nmtstp_platform_routing_rules_get_count (platform, AF_UNSPEC), ==, objs_sync->len - i - 1);
}
}
nmp_rules_manager_sync (rules_manager, FALSE);
} else {
for (i = 0; i < objs->len;) {
const NMPObject *obj = objs->pdata[i];
for (j = 0; j < objs->len; j++)
g_assert ((j < i) == (!!_platform_has_routing_rule (platform, objs->pdata[j])));
r = nm_platform_routing_rule_add (platform, NMP_NLM_FLAG_ADD, NMP_OBJECT_CAST_ROUTING_RULE (obj));
if (r == -EEXIST) {
g_assert (!_platform_has_routing_rule (platform, obj));
/* this should not happen, but there are bugs in kernel (rh#1686075). */
for (j = 0; j < i; j++) {
const NMPObject *obj2 = objs->pdata[j];
g_assert (_platform_has_routing_rule (platform, obj2));
if (_rule_fuzzy_equal (obj, obj2, RTM_NEWRULE)) {
r = 0;
break;
}
}
if (r == 0) {
/* OK, the rule is shadowed by another rule, and kernel does not allow
* us to add this one (rh#1686075). Drop this from the test. */
g_ptr_array_remove_index (objs, i);
had_an_issue_exist = TRUE;
continue;
}
}
if (r != 0) {
NMPLookup lookup;
const NMDedupMultiHeadEntry *head_entry;
NMDedupMultiIter iter;
const NMPObject *o;
g_print (">>> failing... errno=%d, rule=%s\n", r, nmp_object_to_string (obj, NMP_OBJECT_TO_STRING_ALL, NULL, 0));
nmp_lookup_init_obj_type (&lookup, NMP_OBJECT_TYPE_ROUTING_RULE);
head_entry = nm_platform_lookup (platform, &lookup);
nmp_cache_iter_for_each (&iter, head_entry, &o) {
char ch = ' ';
if ( NMP_OBJECT_CAST_ROUTING_RULE (o)->addr_family == NMP_OBJECT_CAST_ROUTING_RULE (obj)->addr_family
&& NMP_OBJECT_CAST_ROUTING_RULE (o)->priority == NMP_OBJECT_CAST_ROUTING_RULE (obj)->priority)
ch = '*';
g_print (">>> existing rule: %c %s\n", ch, nmp_object_to_string (o, NMP_OBJECT_TO_STRING_ALL, NULL, 0));
}
nmtstp_run_command_check ("ip rule");
nmtstp_run_command_check ("ip -6 rule");
g_assert_cmpint (r, ==, 0);
}
g_assert (_platform_has_routing_rule (platform, obj));
g_assert_cmpint (nmtstp_platform_routing_rules_get_count (platform, AF_UNSPEC), ==, i + 1);
i++;
}
if (TEST_IDX != 1)
nmtst_rand_perm (NULL, objs->pdata, NULL, sizeof (gpointer), objs->len);
if (_LOGD_ENABLED ()) {
nmtstp_run_command_check ("ip rule");
nmtstp_run_command_check ("ip -6 rule");
}
for (i = 0; i < objs->len; i++) {
const NMPObject *obj = objs->pdata[i];
const NMPObject *obj2;
for (j = 0; j < objs->len; j++)
g_assert ((j < i) == (!_platform_has_routing_rule (platform, objs->pdata[j])));
g_assert (_platform_has_routing_rule (platform, obj));
r = nm_platform_object_delete (platform, obj);
g_assert_cmpint (r, ==, TRUE);
obj2 = _platform_has_routing_rule (platform, obj);
if (obj2) {
guint k;
/* When deleting a rule, kernel does a fuzzy match, ignoring for example:
* - action, if it is FR_ACT_UNSPEC
* - iifname,oifname if it is unspecified
* rh#1685816
*
* That means, we may have deleted the wrong rule. Which one? */
k = i;
for (j = i + 1; j < objs->len; j++) {
if (!_platform_has_routing_rule (platform, objs->pdata[j])) {
g_assert_cmpint (k, ==, i);
k = j;
}
}
g_assert_cmpint (k, >, i);
if (!_rule_fuzzy_equal (obj, objs->pdata[k], RTM_DELRULE)) {
g_print (">>> failing...\n");
g_print (">>> no fuzzy match between: %s\n", nmp_object_to_string (obj, NMP_OBJECT_TO_STRING_ALL, NULL, 0));
g_print (">>> and: %s\n", nmp_object_to_string (objs->pdata[k], NMP_OBJECT_TO_STRING_ALL, NULL, 0));
g_assert_not_reached ();
}
objs->pdata[i] = objs->pdata[k];
objs->pdata[k] = (gpointer) obj;
obj2 = NULL;
}
g_assert (!obj2);
g_assert_cmpint (nmtstp_platform_routing_rules_get_count (platform, AF_UNSPEC), ==, objs->len -i - 1);
}
}
g_assert_cmpint (nmtstp_platform_routing_rules_get_count (platform, AF_UNSPEC), ==, 0);
for (i = 0; i < objs_initial->len; i++) {
const NMPObject *obj = objs_initial->pdata[i];
for (j = 0; j < objs_initial->len; j++)
g_assert ((j < i) == (!!_platform_has_routing_rule (platform, objs_initial->pdata[j])));
r = nm_platform_routing_rule_add (platform, NMP_NLM_FLAG_ADD, NMP_OBJECT_CAST_ROUTING_RULE (obj));
g_assert_cmpint (r, ==, 0);
}
for (j = 0; j < objs_initial->len; j++)
g_assert (_platform_has_routing_rule (platform, objs_initial->pdata[j]));
g_assert_cmpint (nmtstp_platform_routing_rules_get_count (platform, AF_UNSPEC), ==, objs_initial->len);
/* the tests passed as good as we could (as good as we implemented workarounds for them).
* Still, with this kernel, not all features were fully tested. Mark the test as skipped. */
if (had_an_issue_exist)
g_test_skip ("adding a rule failed with EEXIST although it should not (rh#1686075)");
else if (!_rule_check_kernel_support (platform, -1))
g_test_skip ("some kernel features were not available and skipped for the test");
}
/*****************************************************************************/
NMTstpSetupFunc const _nmtstp_setup_platform_func = SETUP;
void
_nmtstp_init_tests (int *argc, char ***argv)
{
nmtst_init_with_logging (argc, argv, NULL, "ALL");
}
void
_nmtstp_setup_tests (void)
{
#define add_test_func(testpath, test_func) nmtstp_env1_add_test_func(testpath, test_func, TRUE)
#define add_test_func_data(testpath, test_func, arg) nmtstp_env1_add_test_func_data(testpath, test_func, arg, TRUE)
add_test_func ("/route/ip4", test_ip4_route);
add_test_func ("/route/ip6", test_ip6_route);
add_test_func ("/route/ip4_metric0", test_ip4_route_metric0);
add_test_func_data ("/route/ip4_options/1", test_ip4_route_options, GINT_TO_POINTER (1));
if (nmtstp_is_root_test ())
add_test_func_data ("/route/ip4_options/2", test_ip4_route_options, GINT_TO_POINTER (2));
add_test_func_data ("/route/ip6_options/1", test_ip6_route_options, GINT_TO_POINTER (1));
add_test_func_data ("/route/ip6_options/2", test_ip6_route_options, GINT_TO_POINTER (2));
add_test_func_data ("/route/ip6_options/3", test_ip6_route_options, GINT_TO_POINTER (3));
if (nmtstp_is_root_test ()) {
add_test_func_data ("/route/ip/1", test_ip, GINT_TO_POINTER (1));
add_test_func ("/route/ip4_route_get", test_ip4_route_get);
add_test_func ("/route/ip6_route_get", test_ip6_route_get);
add_test_func ("/route/ip4_zero_gateway", test_ip4_zero_gateway);
}
if (nmtstp_is_root_test ()) {
add_test_func_data ("/route/rule/1", test_rule, GINT_TO_POINTER (1));
add_test_func_data ("/route/rule/2", test_rule, GINT_TO_POINTER (2));
add_test_func_data ("/route/rule/3", test_rule, GINT_TO_POINTER (3));
add_test_func_data ("/route/rule/4", test_rule, GINT_TO_POINTER (4));
}
}
Reference in a new issue View git blame Copy permalink