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test: add test for local outbounds with preferred source address

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This commit is contained in:
Yu Watanabe 2024-10-13 07:24:08 +09:00
parent 4adf2653e2
commit 0343ef9764
1 changed files with 84 additions and 9 deletions
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93
src/test/test-local-addresses.c
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@ -153,12 +153,13 @@ static void check_local_gateways(sd_netlink *rtnl, int ifindex, int request_ifin
}) == IN_SET(family, AF_UNSPEC, AF_INET6));
}
static void check_local_outbounds(sd_netlink *rtnl, int ifindex, int request_ifindex, int family) {
static void check_local_outbounds(sd_netlink *rtnl, int ifindex, int request_ifindex, int family, const char *ipv6_expected) {
_cleanup_free_ struct local_address *a = NULL;
union in_addr_union u;
int n;
log_debug("/* Local Outbounds (ifindex:%i, %s) */", request_ifindex, family == AF_UNSPEC ? "AF_UNSPEC" : af_to_name(family));
log_debug("/* Local Outbounds (ifindex:%i, %s, expected_ipv6_address=%s) */",
request_ifindex, family == AF_UNSPEC ? "AF_UNSPEC" : af_to_name(family), ipv6_expected);
n = local_outbounds(rtnl, request_ifindex, family, &a);
assert_se(n >= 0);
@ -180,7 +181,7 @@ static void check_local_outbounds(sd_netlink *rtnl, int ifindex, int request_ifi
.address = u,
}) == (family == AF_UNSPEC && support_rta_via));
assert_se(in_addr_from_string(AF_INET6, "2001:db8:1:123::123", &u) >= 0);
assert_se(in_addr_from_string(AF_INET6, ipv6_expected, &u) >= 0);
assert_se(has_local_address(a, n,
&(struct local_address) {
.ifindex = ifindex,
@ -312,12 +313,86 @@ TEST(local_addresses_with_dummy) {
check_local_gateways(rtnl, ifindex, ifindex, AF_UNSPEC);
check_local_gateways(rtnl, ifindex, ifindex, AF_INET);
check_local_gateways(rtnl, ifindex, ifindex, AF_INET6);
check_local_outbounds(rtnl, ifindex, 0, AF_UNSPEC);
check_local_outbounds(rtnl, ifindex, 0, AF_INET);
check_local_outbounds(rtnl, ifindex, 0, AF_INET6);
check_local_outbounds(rtnl, ifindex, ifindex, AF_UNSPEC);
check_local_outbounds(rtnl, ifindex, ifindex, AF_INET);
check_local_outbounds(rtnl, ifindex, ifindex, AF_INET6);
check_local_outbounds(rtnl, ifindex, 0, AF_UNSPEC, "2001:db8:1:123::123");
check_local_outbounds(rtnl, ifindex, 0, AF_INET, "2001:db8:1:123::123");
check_local_outbounds(rtnl, ifindex, 0, AF_INET6, "2001:db8:1:123::123");
check_local_outbounds(rtnl, ifindex, ifindex, AF_UNSPEC, "2001:db8:1:123::123");
check_local_outbounds(rtnl, ifindex, ifindex, AF_INET, "2001:db8:1:123::123");
check_local_outbounds(rtnl, ifindex, ifindex, AF_INET6, "2001:db8:1:123::123");
/* Add one more IPv6 address. */
assert_se(sd_rtnl_message_new_addr_update(rtnl, &message, ifindex, AF_INET6) >= 0);
assert_se(sd_rtnl_message_addr_set_scope(message, RT_SCOPE_UNIVERSE) >= 0);
assert_se(sd_rtnl_message_addr_set_prefixlen(message, 64) >= 0);
assert_se(in_addr_from_string(AF_INET6, "2001:db8:1:123::124", &u) >= 0);
assert_se(sd_netlink_message_append_in6_addr(message, IFA_LOCAL, &u.in6) >= 0);
assert_se(sd_netlink_message_append_u32(message, IFA_FLAGS, IFA_F_NODAD) >= 0);
assert_se(sd_netlink_call(rtnl, message, 0, NULL) >= 0);
message = sd_netlink_message_unref(message);
/* Replace the previous IPv6 default gateway with one with preferred source address. */
assert_se(sd_rtnl_message_new_route(rtnl, &message, RTM_DELROUTE, AF_INET6, RTPROT_STATIC) >= 0);
assert_se(sd_rtnl_message_route_set_type(message, RTN_UNICAST) >= 0);
assert_se(sd_netlink_message_append_u32(message, RTA_PRIORITY, 1234) >= 0);
assert_se(sd_netlink_message_append_u32(message, RTA_TABLE, RT_TABLE_MAIN) >= 0);
assert_se(in_addr_from_string(AF_INET6, "2001:db8:1:123::1", &u) >= 0);
assert_se(sd_netlink_message_append_in6_addr(message, RTA_GATEWAY, &u.in6) >= 0);
assert_se(sd_netlink_message_append_u32(message, RTA_OIF, ifindex) >= 0);
assert_se(sd_netlink_call(rtnl, message, 0, NULL) >= 0);
message = sd_netlink_message_unref(message);
assert_se(sd_rtnl_message_new_route(rtnl, &message, RTM_NEWROUTE, AF_INET6, RTPROT_STATIC) >= 0);
assert_se(sd_rtnl_message_route_set_type(message, RTN_UNICAST) >= 0);
assert_se(sd_netlink_message_append_u32(message, RTA_PRIORITY, 1234) >= 0);
assert_se(sd_netlink_message_append_u32(message, RTA_TABLE, RT_TABLE_MAIN) >= 0);
assert_se(in_addr_from_string(AF_INET6, "2001:db8:1:123::1", &u) >= 0);
assert_se(sd_netlink_message_append_in6_addr(message, RTA_GATEWAY, &u.in6) >= 0);
assert_se(sd_netlink_message_append_u32(message, RTA_OIF, ifindex) >= 0);
assert_se(in_addr_from_string(AF_INET6, "2001:db8:1:123::123", &u) >= 0);
assert_se(sd_netlink_message_append_in6_addr(message, RTA_PREFSRC, &u.in6) >= 0);
assert_se(sd_netlink_call(rtnl, message, 0, NULL) >= 0);
message = sd_netlink_message_unref(message);
/* Check again. */
check_local_outbounds(rtnl, ifindex, 0, AF_UNSPEC, "2001:db8:1:123::123");
check_local_outbounds(rtnl, ifindex, 0, AF_INET, "2001:db8:1:123::123");
check_local_outbounds(rtnl, ifindex, 0, AF_INET6, "2001:db8:1:123::123");
check_local_outbounds(rtnl, ifindex, ifindex, AF_UNSPEC, "2001:db8:1:123::123");
check_local_outbounds(rtnl, ifindex, ifindex, AF_INET, "2001:db8:1:123::123");
check_local_outbounds(rtnl, ifindex, ifindex, AF_INET6, "2001:db8:1:123::123");
/* Replace the preferred source address. */
assert_se(sd_rtnl_message_new_route(rtnl, &message, RTM_DELROUTE, AF_INET6, RTPROT_STATIC) >= 0);
assert_se(sd_rtnl_message_route_set_type(message, RTN_UNICAST) >= 0);
assert_se(sd_netlink_message_append_u32(message, RTA_PRIORITY, 1234) >= 0);
assert_se(sd_netlink_message_append_u32(message, RTA_TABLE, RT_TABLE_MAIN) >= 0);
assert_se(in_addr_from_string(AF_INET6, "2001:db8:1:123::1", &u) >= 0);
assert_se(sd_netlink_message_append_in6_addr(message, RTA_GATEWAY, &u.in6) >= 0);
assert_se(sd_netlink_message_append_u32(message, RTA_OIF, ifindex) >= 0);
assert_se(in_addr_from_string(AF_INET6, "2001:db8:1:123::123", &u) >= 0);
assert_se(sd_netlink_message_append_in6_addr(message, RTA_PREFSRC, &u.in6) >= 0);
assert_se(sd_netlink_call(rtnl, message, 0, NULL) >= 0);
message = sd_netlink_message_unref(message);
assert_se(sd_rtnl_message_new_route(rtnl, &message, RTM_NEWROUTE, AF_INET6, RTPROT_STATIC) >= 0);
assert_se(sd_rtnl_message_route_set_type(message, RTN_UNICAST) >= 0);
assert_se(sd_netlink_message_append_u32(message, RTA_PRIORITY, 1234) >= 0);
assert_se(sd_netlink_message_append_u32(message, RTA_TABLE, RT_TABLE_MAIN) >= 0);
assert_se(in_addr_from_string(AF_INET6, "2001:db8:1:123::1", &u) >= 0);
assert_se(sd_netlink_message_append_in6_addr(message, RTA_GATEWAY, &u.in6) >= 0);
assert_se(sd_netlink_message_append_u32(message, RTA_OIF, ifindex) >= 0);
assert_se(in_addr_from_string(AF_INET6, "2001:db8:1:123::124", &u) >= 0);
assert_se(sd_netlink_message_append_in6_addr(message, RTA_PREFSRC, &u.in6) >= 0);
assert_se(sd_netlink_call(rtnl, message, 0, NULL) >= 0);
message = sd_netlink_message_unref(message);
/* Check again. */
check_local_outbounds(rtnl, ifindex, 0, AF_UNSPEC, "2001:db8:1:123::124");
check_local_outbounds(rtnl, ifindex, 0, AF_INET, "2001:db8:1:123::124");
check_local_outbounds(rtnl, ifindex, 0, AF_INET6, "2001:db8:1:123::124");
check_local_outbounds(rtnl, ifindex, ifindex, AF_UNSPEC, "2001:db8:1:123::124");
check_local_outbounds(rtnl, ifindex, ifindex, AF_INET, "2001:db8:1:123::124");
check_local_outbounds(rtnl, ifindex, ifindex, AF_INET6, "2001:db8:1:123::124");
/* Cleanup */
assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_DELLINK, ifindex) >= 0);