/* SPDX-License-Identifier: LGPL-2.1+ */ /*** Copyright © 2017 Intel Corporation. All rights reserved. ***/ #include #include #include #include "sd-radv.h" #include "alloc-util.h" #include "hexdecoct.h" #include "icmp6-util.h" #include "socket-util.h" #include "strv.h" #include "tests.h" static struct ether_addr mac_addr = { .ether_addr_octet = { 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53 } }; static uint8_t advertisement[] = { /* ICMPv6 Router Advertisement, no checksum */ 0x86, 0x00, 0x00, 0x00, 0x40, 0xc0, 0x00, 0xb4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Source Link Layer Address Option */ 0x01, 0x01, 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53, /* Prefix Information Option */ 0x03, 0x04, 0x40, 0xc0, 0x00, 0x00, 0x01, 0xf4, 0x00, 0x00, 0x01, 0xb8, 0x00, 0x00, 0x00, 0x00, 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Prefix Information Option */ 0x03, 0x04, 0x40, 0xc0, 0x00, 0x27, 0x8d, 0x00, 0x00, 0x09, 0x3a, 0x80, 0x00, 0x00, 0x00, 0x00, 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Prefix Information Option */ 0x03, 0x04, 0x30, 0xc0, 0x00, 0x27, 0x8d, 0x00, 0x00, 0x09, 0x3a, 0x80, 0x00, 0x00, 0x00, 0x00, 0x20, 0x01, 0x0d, 0xb8, 0xc0, 0x01, 0x0d, 0xad, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Recursive DNS Server Option */ 0x19, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, /* DNS Search List Option */ 0x1f, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x03, 0x6c, 0x61, 0x62, 0x05, 0x69, 0x6e, 0x74, 0x72, 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }; static sd_event_source *test_hangcheck; static bool test_stopped; static int test_fd[2]; static sd_event_source *recv_router_advertisement; static struct { struct in6_addr address; unsigned char prefixlen; uint32_t valid; uint32_t preferred; bool successful; } prefix[] = { { { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 64, 500, 440, true }, { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 64, /* indicate default valid and preferred lifetimes for the test code */ 0, 0, true }, { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 58, 0, 0, /* indicate that this prefix already exists */ false }, { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 120, 0, 0, /* indicate that this prefix already exists */ false }, { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 12, 0, 0, /* indicate that this prefix already exists */ false }, { { { { 0x20, 0x01, 0x0d, 0xb8, 0xc0, 0x01, 0x0d, 0xad, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 48, 0, 0, true }, { { { { 0x20, 0x01, 0x0d, 0xb8, 0xc0, 0x01, 0x0d, 0xad, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 60, 0, 0, /* indicate that this prefix already exists */ false }, }; static const struct in6_addr test_rdnss = { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } } }; static const char *test_dnssl[] = { "lab.intra", NULL }; static int test_rs_hangcheck(sd_event_source *s, uint64_t usec, void *userdata) { assert_se(false); return 0; } static void test_radv_prefix(void) { sd_radv_prefix *p; printf("* %s\n", __FUNCTION__); assert_se(sd_radv_prefix_new(&p) >= 0); assert_se(sd_radv_prefix_set_onlink(NULL, true) < 0); assert_se(sd_radv_prefix_set_onlink(p, true) >= 0); assert_se(sd_radv_prefix_set_onlink(p, false) >= 0); assert_se(sd_radv_prefix_set_address_autoconfiguration(NULL, true) < 0); assert_se(sd_radv_prefix_set_address_autoconfiguration(p, true) >= 0); assert_se(sd_radv_prefix_set_address_autoconfiguration(p, false) >= 0); assert_se(sd_radv_prefix_set_valid_lifetime(NULL, true) < 0); assert_se(sd_radv_prefix_set_valid_lifetime(p, ~0) >= 0); assert_se(sd_radv_prefix_set_valid_lifetime(p, 42) >= 0); assert_se(sd_radv_prefix_set_valid_lifetime(p, 0) >= 0); assert_se(sd_radv_prefix_set_preferred_lifetime(NULL, true) < 0); assert_se(sd_radv_prefix_set_preferred_lifetime(p, ~0) >= 0); assert_se(sd_radv_prefix_set_preferred_lifetime(p, 42) >= 0); assert_se(sd_radv_prefix_set_preferred_lifetime(p, 0) >= 0); assert_se(sd_radv_prefix_set_prefix(NULL, NULL, 0) < 0); assert_se(sd_radv_prefix_set_prefix(p, NULL, 0) < 0); assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 64) >= 0); assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 0) < 0); assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 1) < 0); assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 2) < 0); assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 3) >= 0); assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 125) >= 0); assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 128) >= 0); assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 129) < 0); assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 255) < 0); p = sd_radv_prefix_unref(p); assert_se(!p); } static void test_radv(void) { sd_radv *ra; printf("* %s\n", __FUNCTION__); assert_se(sd_radv_new(&ra) >= 0); assert_se(ra); assert_se(sd_radv_set_ifindex(NULL, 0) < 0); assert_se(sd_radv_set_ifindex(ra, 0) < 0); assert_se(sd_radv_set_ifindex(ra, -1) < 0); assert_se(sd_radv_set_ifindex(ra, -2) < 0); assert_se(sd_radv_set_ifindex(ra, 42) >= 0); assert_se(sd_radv_set_mac(NULL, NULL) < 0); assert_se(sd_radv_set_mac(ra, NULL) >= 0); assert_se(sd_radv_set_mac(ra, &mac_addr) >= 0); assert_se(sd_radv_set_mtu(NULL, 0) < 0); assert_se(sd_radv_set_mtu(ra, 0) < 0); assert_se(sd_radv_set_mtu(ra, 1279) < 0); assert_se(sd_radv_set_mtu(ra, 1280) >= 0); assert_se(sd_radv_set_mtu(ra, ~0) >= 0); assert_se(sd_radv_set_hop_limit(NULL, 0) < 0); assert_se(sd_radv_set_hop_limit(ra, 0) >= 0); assert_se(sd_radv_set_hop_limit(ra, ~0) >= 0); assert_se(sd_radv_set_router_lifetime(NULL, 0) < 0); assert_se(sd_radv_set_router_lifetime(ra, 0) >= 0); assert_se(sd_radv_set_router_lifetime(ra, ~0) >= 0); assert_se(sd_radv_set_preference(NULL, 0) < 0); assert_se(sd_radv_set_preference(ra, SD_NDISC_PREFERENCE_LOW) >= 0); assert_se(sd_radv_set_preference(ra, SD_NDISC_PREFERENCE_MEDIUM) >= 0); assert_se(sd_radv_set_preference(ra, SD_NDISC_PREFERENCE_HIGH) >= 0); assert_se(sd_radv_set_preference(ra, ~0) < 0); assert_se(sd_radv_set_preference(ra, SD_NDISC_PREFERENCE_HIGH) >= 0); assert_se(sd_radv_set_router_lifetime(ra, 42000) >= 0); assert_se(sd_radv_set_router_lifetime(ra, 0) < 0); assert_se(sd_radv_set_preference(ra, SD_NDISC_PREFERENCE_MEDIUM) >= 0); assert_se(sd_radv_set_router_lifetime(ra, 0) >= 0); assert_se(sd_radv_set_managed_information(NULL, true) < 0); assert_se(sd_radv_set_managed_information(ra, true) >= 0); assert_se(sd_radv_set_managed_information(ra, false) >= 0); assert_se(sd_radv_set_other_information(NULL, true) < 0); assert_se(sd_radv_set_other_information(ra, true) >= 0); assert_se(sd_radv_set_other_information(ra, false) >= 0); assert_se(sd_radv_set_rdnss(NULL, 0, NULL, 0) < 0); assert_se(sd_radv_set_rdnss(ra, 0, NULL, 0) >= 0); assert_se(sd_radv_set_rdnss(ra, 0, NULL, 128) < 0); assert_se(sd_radv_set_rdnss(ra, 600, &test_rdnss, 0) >= 0); assert_se(sd_radv_set_rdnss(ra, 600, &test_rdnss, 1) >= 0); assert_se(sd_radv_set_rdnss(ra, 0, &test_rdnss, 1) >= 0); assert_se(sd_radv_set_rdnss(ra, 0, NULL, 0) >= 0); assert_se(sd_radv_set_dnssl(ra, 0, NULL) >= 0); assert_se(sd_radv_set_dnssl(ra, 600, NULL) >= 0); assert_se(sd_radv_set_dnssl(ra, 0, (char **)test_dnssl) >= 0); assert_se(sd_radv_set_dnssl(ra, 600, (char **)test_dnssl) >= 0); ra = sd_radv_unref(ra); assert_se(!ra); } int icmp6_bind_router_solicitation(int ifindex) { return -ENOSYS; } int icmp6_bind_router_advertisement(int ifindex) { assert_se(ifindex == 42); return test_fd[1]; } int icmp6_send_router_solicitation(int s, const struct ether_addr *ether_addr) { return 0; } int icmp6_receive(int fd, void *iov_base, size_t iov_len, struct in6_addr *dst, triple_timestamp *timestamp) { assert_se(read (fd, iov_base, iov_len) == (ssize_t)iov_len); if (timestamp) triple_timestamp_get(timestamp); return 0; } static int radv_recv(sd_event_source *s, int fd, uint32_t revents, void *userdata) { sd_radv *ra = userdata; unsigned char buf[168]; size_t i; assert_se(read(test_fd[0], &buf, sizeof(buf)) == sizeof(buf)); /* router lifetime must be zero when test is stopped */ if (test_stopped) { advertisement[6] = 0x00; advertisement[7] = 0x00; } printf ("Received Router Advertisement with lifetime %u\n", (advertisement[6] << 8) + advertisement[7]); /* test only up to buf size, rest is not yet implemented */ for (i = 0; i < sizeof(buf); i++) { if (!(i % 8)) printf("%3zd: ", i); printf("0x%02x", buf[i]); assert_se(buf[i] == advertisement[i]); if ((i + 1) % 8) printf(", "); else printf("\n"); } if (test_stopped) { sd_event *e; e = sd_radv_get_event(ra); sd_event_exit(e, 0); return 0; } assert_se(sd_radv_stop(ra) >= 0); test_stopped = true; return 0; } static void test_ra(void) { sd_event *e; sd_radv *ra; unsigned i; printf("* %s\n", __FUNCTION__); assert_se(socketpair(AF_UNIX, SOCK_SEQPACKET | SOCK_CLOEXEC | SOCK_NONBLOCK, 0, test_fd) >= 0); assert_se(sd_event_new(&e) >= 0); assert_se(sd_radv_new(&ra) >= 0); assert_se(ra); assert_se(sd_radv_attach_event(ra, e, 0) >= 0); assert_se(sd_radv_set_ifindex(ra, 42) >= 0); assert_se(sd_radv_set_mac(ra, &mac_addr) >= 0); assert_se(sd_radv_set_router_lifetime(ra, 180) >= 0); assert_se(sd_radv_set_hop_limit(ra, 64) >= 0); assert_se(sd_radv_set_managed_information(ra, true) >= 0); assert_se(sd_radv_set_other_information(ra, true) >= 0); assert_se(sd_radv_set_rdnss(ra, 60, &test_rdnss, 1) >= 0); assert_se(sd_radv_set_dnssl(ra, 60, (char **)test_dnssl) >= 0); for (i = 0; i < ELEMENTSOF(prefix); i++) { sd_radv_prefix *p; printf("Test prefix %u\n", i); assert_se(sd_radv_prefix_new(&p) >= 0); assert_se(sd_radv_prefix_set_prefix(p, &prefix[i].address, prefix[i].prefixlen) >= 0); if (prefix[i].valid) assert_se(sd_radv_prefix_set_valid_lifetime(p, prefix[i].valid) >= 0); if (prefix[i].preferred) assert_se(sd_radv_prefix_set_preferred_lifetime(p, prefix[i].preferred) >= 0); assert_se((sd_radv_add_prefix(ra, p, false) >= 0) == prefix[i].successful); assert_se(sd_radv_add_prefix(ra, p, false) < 0); p = sd_radv_prefix_unref(p); assert_se(!p); } assert_se(sd_event_add_io(e, &recv_router_advertisement, test_fd[0], EPOLLIN, radv_recv, ra) >= 0); assert_se(sd_event_add_time_relative( e, &test_hangcheck, clock_boottime_or_monotonic(), 2 *USEC_PER_SEC, 0, test_rs_hangcheck, NULL) >= 0); assert_se(sd_radv_start(ra) >= 0); sd_event_loop(e); test_hangcheck = sd_event_source_unref(test_hangcheck); ra = sd_radv_unref(ra); assert_se(!ra); close(test_fd[0]); sd_event_unref(e); } int main(int argc, char *argv[]) { test_setup_logging(LOG_DEBUG); test_radv_prefix(); test_radv(); test_ra(); printf("* done\n"); return 0; }