diff options
Diffstat (limited to 'tests/sys/net/routing/test_rtsock_lladdr.c')
| -rw-r--r-- | tests/sys/net/routing/test_rtsock_lladdr.c | 416 |
1 files changed, 416 insertions, 0 deletions
diff --git a/tests/sys/net/routing/test_rtsock_lladdr.c b/tests/sys/net/routing/test_rtsock_lladdr.c new file mode 100644 index 000000000000..072a4e31f7ce --- /dev/null +++ b/tests/sys/net/routing/test_rtsock_lladdr.c @@ -0,0 +1,416 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2019 Alexander V. Chernikov + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "rtsock_common.h" +#include "rtsock_config.h" + +static void +jump_vnet(struct rtsock_test_config *c, const atf_tc_t *tc) +{ + char vnet_name[512]; + + snprintf(vnet_name, sizeof(vnet_name), "vt-%s", atf_tc_get_ident(tc)); + RLOG("jumping to %s", vnet_name); + + vnet_switch_one(vnet_name, c->ifname); + + /* Update ifindex cache */ + c->ifindex = if_nametoindex(c->ifname); +} + +static inline struct rtsock_test_config * +presetup_ipv6(const atf_tc_t *tc) +{ + struct rtsock_test_config *c; + int ret; + + c = config_setup(tc, NULL); + + jump_vnet(c, tc); + + ret = iface_turn_up(c->ifname); + ATF_REQUIRE_MSG(ret == 0, "Unable to turn up %s", c->ifname); + ret = iface_enable_ipv6(c->ifname); + ATF_REQUIRE_MSG(ret == 0, "Unable to enable IPv6 on %s", c->ifname); + + c->rtsock_fd = rtsock_setup_socket(); + + return (c); +} + +static inline struct rtsock_test_config * +presetup_ipv4(const atf_tc_t *tc) +{ + struct rtsock_test_config *c; + int ret; + + c = config_setup(tc, NULL); + + jump_vnet(c, tc); + + /* assumes ifconfig doing IFF_UP */ + ret = iface_setup_addr(c->ifname, c->addr4_str, c->plen4); + ATF_REQUIRE_MSG(ret == 0, "ifconfig failed"); + + c->rtsock_fd = rtsock_setup_socket(); + + return (c); +} + +static void +prepare_route_message(struct rt_msghdr *rtm, int cmd, struct sockaddr *dst, + struct sockaddr *gw) +{ + + rtsock_prepare_route_message(rtm, cmd, dst, NULL, gw); + + rtm->rtm_flags |= (RTF_HOST | RTF_STATIC | RTF_LLDATA); +} + +/* TESTS */ +#define DECLARE_TEST_VARS \ + char buffer[2048], msg[512]; \ + ssize_t len; \ + int ret; \ + struct rtsock_test_config *c; \ + struct rt_msghdr *rtm = (struct rt_msghdr *)buffer; \ + struct sockaddr *sa; \ + \ + +#define DECLARE_CLEANUP_VARS \ + struct rtsock_test_config *c = config_setup(tc); \ + \ + +#define DESCRIBE_ROOT_TEST(_msg) config_describe_root_test(tc, _msg) +#define CLEANUP_AFTER_TEST config_generic_cleanup(tc) + +#define RTM_DECLARE_ROOT_TEST(_name, _descr) \ +ATF_TC_WITH_CLEANUP(_name); \ +ATF_TC_HEAD(_name, tc) \ +{ \ + DESCRIBE_ROOT_TEST(_descr); \ +} \ +ATF_TC_CLEANUP(_name, tc) \ +{ \ + CLEANUP_AFTER_TEST; \ +} + +RTM_DECLARE_ROOT_TEST(rtm_add_v6_ll_lle_success, "Tests addition of link-local IPv6 ND entry"); +ATF_TC_BODY(rtm_add_v6_ll_lle_success, tc) +{ + DECLARE_TEST_VARS; + + c = presetup_ipv6(tc); + + char str_buf[128]; + struct sockaddr_in6 sin6; + /* Interface here is optional. XXX: verify kernel side. */ + char *v6addr = "fe80::4242:4242"; + snprintf(str_buf, sizeof(str_buf), "%s%%%s", v6addr, c->ifname); + sa_convert_str_to_sa(str_buf, (struct sockaddr *)&sin6); + + struct sockaddr_dl ether; + snprintf(str_buf, sizeof(str_buf), "%s%%%s", c->remote_lladdr, c->ifname); + sa_convert_str_to_sa(str_buf, (struct sockaddr *)ðer); + + prepare_route_message(rtm, RTM_ADD, (struct sockaddr *)&sin6, (struct sockaddr *)ðer); + rtsock_send_rtm(c->rtsock_fd, rtm); + + /* + * Got message of size 240 on 2019-12-17 15:06:51 + * RTM_ADD: Add Route: len 240, pid: 0, seq 0, errno 0, flags: <UP,HOST,DONE,LLINFO> + * sockaddrs: 0x3 <DST,GATEWAY> + * af=inet6 len=28 addr=fe80::4242:4242 scope_id=3 if_name=tap4242 + * af=link len=54 sdl_index=3 if_name=tap4242 addr=52:54:00:14:E3:10 + */ + + rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq); + + sa = rtsock_find_rtm_sa(rtm, RTA_DST); + ret = sa_equal_msg(sa, (struct sockaddr *)&sin6, msg, sizeof(msg)); + RTSOCK_ATF_REQUIRE_MSG(rtm, ret != 0, "DST sa diff: %s", msg); + + sa = rtsock_find_rtm_sa(rtm, RTA_GATEWAY); + int sa_flags = SA_F_IGNORE_IFNAME | SA_F_IGNORE_IFTYPE | SA_F_IGNORE_MEMCMP; + ret = sa_equal_msg_flags(sa, (struct sockaddr *)ðer, msg, sizeof(msg), sa_flags); + RTSOCK_ATF_REQUIRE_MSG(rtm, ret != 0, "GATEWAY sa diff: %s", msg); + +#if 0 + /* Disable the check until https://reviews.freebsd.org/D22003 merge */ + /* Some additional checks to verify kernel has filled in interface data */ + struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; + RTSOCK_ATF_REQUIRE_MSG(rtm, sdl->sdl_type > 0, "sdl_type not set"); +#endif +} + +RTM_DECLARE_ROOT_TEST(rtm_add_v6_gu_lle_success, "Tests addition of global IPv6 ND entry"); +ATF_TC_BODY(rtm_add_v6_gu_lle_success, tc) +{ + DECLARE_TEST_VARS; + + c = presetup_ipv6(tc); + + char str_buf[128]; + + struct sockaddr_in6 sin6; + sin6 = c->net6; +#define _s6_addr32 __u6_addr.__u6_addr32 + sin6.sin6_addr._s6_addr32[3] = htonl(0x42424242); +#undef _s6_addr32 + + struct sockaddr_dl ether; + snprintf(str_buf, sizeof(str_buf), "%s%%%s", c->remote_lladdr, c->ifname); + sa_convert_str_to_sa(str_buf, (struct sockaddr *)ðer); + + prepare_route_message(rtm, RTM_ADD, (struct sockaddr *)&sin6, (struct sockaddr *)ðer); + + rtsock_send_rtm(c->rtsock_fd, rtm); + + /* + * Got message of size 240 on 2019-12-17 14:56:43 + * RTM_ADD: Add Route: len 240, pid: 0, seq 0, errno 0, flags: <UP,HOST,DONE,LLINFO> + * sockaddrs: 0x3 <DST,GATEWAY> + * af=inet6 len=28 addr=2001:db8::4242:4242 + * af=link len=54 sdl_index=3 if_name=tap4242 addr=52:54:00:14:E3:10 + */ + + /* XXX: where is uRPF?! this should fail */ + + rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq); + + sa = rtsock_find_rtm_sa(rtm, RTA_DST); + ret = sa_equal_msg(sa, (struct sockaddr *)&sin6, msg, sizeof(msg)); + RTSOCK_ATF_REQUIRE_MSG(rtm, ret != 0, "DST sa diff: %s", msg); + + sa = rtsock_find_rtm_sa(rtm, RTA_GATEWAY); + int sa_flags = SA_F_IGNORE_IFNAME | SA_F_IGNORE_IFTYPE | SA_F_IGNORE_MEMCMP; + ret = sa_equal_msg_flags(sa, (struct sockaddr *)ðer, msg, sizeof(msg), sa_flags); + RTSOCK_ATF_REQUIRE_MSG(rtm, ret != 0, "GATEWAY sa diff: %s", msg); + +#if 0 + /* Disable the check until https://reviews.freebsd.org/D22003 merge */ + /* Some additional checks to verify kernel has filled in interface data */ + struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; + RTSOCK_ATF_REQUIRE_MSG(rtm, sdl->sdl_type > 0, "sdl_type not set"); +#endif +} + +RTM_DECLARE_ROOT_TEST(rtm_add_v4_gu_lle_success, "Tests addition of IPv4 ARP entry"); +ATF_TC_BODY(rtm_add_v4_gu_lle_success, tc) +{ + DECLARE_TEST_VARS; + + c = presetup_ipv4(tc); + + char str_buf[128]; + + struct sockaddr_in sin; + sin = c->addr4; + /* Use the next IPv4 address after self */ + sin.sin_addr.s_addr = htonl(ntohl(sin.sin_addr.s_addr) + 1); + + struct sockaddr_dl ether; + snprintf(str_buf, sizeof(str_buf), "%s%%%s", c->remote_lladdr, c->ifname); + sa_convert_str_to_sa(str_buf, (struct sockaddr *)ðer); + + prepare_route_message(rtm, RTM_ADD, (struct sockaddr *)&sin, (struct sockaddr *)ðer); + + len = rtsock_send_rtm(c->rtsock_fd, rtm); + + /* + * RTM_ADD: Add Route: len 224, pid: 43131, seq 42, errno 0, flags: <HOST,DONE,LLINFO,STATIC> + * sockaddrs: 0x3 <DST,GATEWAY> + * af=inet len=16 addr=192.0.2.2 + * af=link len=54 sdl_index=3 if_name=tap4242 addr=52:54:00:14:E3:10 + */ + + rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq); + + sa = rtsock_find_rtm_sa(rtm, RTA_DST); + ret = sa_equal_msg(sa, (struct sockaddr *)&sin, msg, sizeof(msg)); + RTSOCK_ATF_REQUIRE_MSG(rtm, ret != 0, "DST sa diff: %s", msg); + + sa = rtsock_find_rtm_sa(rtm, RTA_GATEWAY); + int sa_flags = SA_F_IGNORE_IFNAME | SA_F_IGNORE_IFTYPE | SA_F_IGNORE_MEMCMP; + ret = sa_equal_msg_flags(sa, (struct sockaddr *)ðer, msg, sizeof(msg), sa_flags); + RTSOCK_ATF_REQUIRE_MSG(rtm, ret != 0, "GATEWAY sa diff: %s", msg); + + /* + * TODO: Currently kernel code does not set sdl_type, contrary to IPv6. + */ +} + +RTM_DECLARE_ROOT_TEST(rtm_del_v6_ll_lle_success, "Tests removal of link-local IPv6 ND entry"); +ATF_TC_BODY(rtm_del_v6_ll_lle_success, tc) +{ + DECLARE_TEST_VARS; + + c = presetup_ipv6(tc); + + char str_buf[128]; + + struct sockaddr_in6 sin6; + /* Interface here is optional. XXX: verify kernel side. */ + char *v6addr = "fe80::4242:4242"; + snprintf(str_buf, sizeof(str_buf), "%s%%%s", v6addr, c->ifname); + sa_convert_str_to_sa(str_buf, (struct sockaddr *)&sin6); + + struct sockaddr_dl ether; + snprintf(str_buf, sizeof(str_buf), "%s%%%s", c->remote_lladdr, c->ifname); + sa_convert_str_to_sa(str_buf, (struct sockaddr *)ðer); + + prepare_route_message(rtm, RTM_ADD, (struct sockaddr *)&sin6, (struct sockaddr *)ðer); + + rtsock_send_rtm(c->rtsock_fd, rtm); + + /* Successfully added an entry, let's try to remove it. */ + prepare_route_message(rtm, RTM_DELETE, (struct sockaddr *)&sin6, (struct sockaddr *)ðer); + + rtsock_send_rtm(c->rtsock_fd, rtm); + + rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq); + + RTSOCK_ATF_REQUIRE_MSG(rtm, rtm->rtm_type == RTM_DELETE, "rtm_type is not delete"); + + sa = rtsock_find_rtm_sa(rtm, RTA_DST); + ret = sa_equal_msg(sa, (struct sockaddr *)&sin6, msg, sizeof(msg)); + RTSOCK_ATF_REQUIRE_MSG(rtm, ret != 0, "DST sa diff: %s", msg); + + sa = rtsock_find_rtm_sa(rtm, RTA_GATEWAY); + int sa_flags = SA_F_IGNORE_IFNAME | SA_F_IGNORE_IFTYPE | SA_F_IGNORE_MEMCMP; + ret = sa_equal_msg_flags(sa, (struct sockaddr *)ðer, msg, sizeof(msg), sa_flags); + RTSOCK_ATF_REQUIRE_MSG(rtm, ret != 0, "GATEWAY sa diff: %s", msg); + + /* + * TODO: Currently kernel code does not set sdl_type on delete. + */ +} + +RTM_DECLARE_ROOT_TEST(rtm_del_v6_gu_lle_success, "Tests removal of global IPv6 ND entry"); +ATF_TC_BODY(rtm_del_v6_gu_lle_success, tc) +{ + DECLARE_TEST_VARS; + + c = presetup_ipv6(tc); + + char str_buf[128]; + + struct sockaddr_in6 sin6; + sin6 = c->net6; +#define _s6_addr32 __u6_addr.__u6_addr32 + sin6.sin6_addr._s6_addr32[3] = htonl(0x42424242); +#undef _s6_addr32 + + struct sockaddr_dl ether; + snprintf(str_buf, sizeof(str_buf), "%s%%%s", c->remote_lladdr, c->ifname); + sa_convert_str_to_sa(str_buf, (struct sockaddr *)ðer); + + prepare_route_message(rtm, RTM_ADD, (struct sockaddr *)&sin6, (struct sockaddr *)ðer); + + len = rtsock_send_rtm(c->rtsock_fd, rtm); + + /* Successfully added an entry, let's try to remove it. */ + prepare_route_message(rtm, RTM_DELETE, (struct sockaddr *)&sin6, (struct sockaddr *)ðer); + + rtsock_send_rtm(c->rtsock_fd, rtm); + + rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq); + + RTSOCK_ATF_REQUIRE_MSG(rtm, rtm->rtm_type == RTM_DELETE, "rtm_type is not delete"); + + sa = rtsock_find_rtm_sa(rtm, RTA_DST); + ret = sa_equal_msg(sa, (struct sockaddr *)&sin6, msg, sizeof(msg)); + RTSOCK_ATF_REQUIRE_MSG(rtm, ret != 0, "DST sa diff: %s", msg); + + sa = rtsock_find_rtm_sa(rtm, RTA_GATEWAY); + int sa_flags = SA_F_IGNORE_IFNAME | SA_F_IGNORE_IFTYPE | SA_F_IGNORE_MEMCMP; + ret = sa_equal_msg_flags(sa, (struct sockaddr *)ðer, msg, sizeof(msg), sa_flags); + RTSOCK_ATF_REQUIRE_MSG(rtm, ret != 0, "GATEWAY sa diff: %s", msg); + + /* + * TODO: Currently kernel code does not set sdl_type on delete. + */ +} + +RTM_DECLARE_ROOT_TEST(rtm_del_v4_gu_lle_success, "Tests removal of IPv4 ARP entry"); +ATF_TC_BODY(rtm_del_v4_gu_lle_success, tc) +{ + DECLARE_TEST_VARS; + + c = presetup_ipv4(tc); + + char str_buf[128]; + + struct sockaddr_in sin; + sin = c->addr4; + /* Use the next IPv4 address after self */ + sin.sin_addr.s_addr = htonl(ntohl(sin.sin_addr.s_addr) + 1); + + struct sockaddr_dl ether; + snprintf(str_buf, sizeof(str_buf), "%s%%%s", c->remote_lladdr, c->ifname); + sa_convert_str_to_sa(str_buf, (struct sockaddr *)ðer); + + prepare_route_message(rtm, RTM_ADD, (struct sockaddr *)&sin, (struct sockaddr *)ðer); + + rtsock_send_rtm(c->rtsock_fd, rtm); + + /* We successfully added an entry, let's try to remove it. */ + prepare_route_message(rtm, RTM_DELETE, (struct sockaddr *)&sin, (struct sockaddr *)ðer); + + rtsock_send_rtm(c->rtsock_fd, rtm); + + rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq); + + RTSOCK_ATF_REQUIRE_MSG(rtm, rtm->rtm_type == RTM_DELETE, "rtm_type is not delete"); + + sa = rtsock_find_rtm_sa(rtm, RTA_DST); + ret = sa_equal_msg(sa, (struct sockaddr *)&sin, msg, sizeof(msg)); + RTSOCK_ATF_REQUIRE_MSG(rtm, ret != 0, "DST sa diff: %s", msg); + + sa = rtsock_find_rtm_sa(rtm, RTA_GATEWAY); + int sa_flags = SA_F_IGNORE_IFNAME | SA_F_IGNORE_IFTYPE | SA_F_IGNORE_MEMCMP; + ret = sa_equal_msg_flags(sa, (struct sockaddr *)ðer, msg, sizeof(msg), sa_flags); + RTSOCK_ATF_REQUIRE_MSG(rtm, ret != 0, "GATEWAY sa diff: %s", msg); + + /* + * TODO: Currently kernel code does not set sdl_type, contrary to IPv6. + */ +} + +ATF_TP_ADD_TCS(tp) +{ + ATF_TP_ADD_TC(tp, rtm_add_v6_ll_lle_success); + ATF_TP_ADD_TC(tp, rtm_add_v6_gu_lle_success); + ATF_TP_ADD_TC(tp, rtm_add_v4_gu_lle_success); + ATF_TP_ADD_TC(tp, rtm_del_v6_ll_lle_success); + ATF_TP_ADD_TC(tp, rtm_del_v6_gu_lle_success); + ATF_TP_ADD_TC(tp, rtm_del_v4_gu_lle_success); + + return (atf_no_error()); +} + + |