| /* SPDX-License-Identifier: LGPL-2.1+ */ |
| /*** |
| Copyright © 2017 Intel Corporation. All rights reserved. |
| ***/ |
| |
| #include <netinet/icmp6.h> |
| #include <arpa/inet.h> |
| #include <unistd.h> |
| |
| #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 succesful; |
| } 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 index) { |
| return -ENOSYS; |
| } |
| |
| int icmp6_bind_router_advertisement(int index) { |
| assert_se(index == 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; |
| usec_t time_now = now(clock_boottime_or_monotonic()); |
| 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].succesful); |
| 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(e, &test_hangcheck, clock_boottime_or_monotonic(), |
| time_now + 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; |
| } |