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-rw-r--r--src/libsystemd-network/test-ndisc-ra.c343
1 files changed, 343 insertions, 0 deletions
diff --git a/src/libsystemd-network/test-ndisc-ra.c b/src/libsystemd-network/test-ndisc-ra.c
new file mode 100644
index 0000000..d3d96e7
--- /dev/null
+++ b/src/libsystemd-network/test-ndisc-ra.c
@@ -0,0 +1,343 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/***
+ 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, 0x00, 0x0e, 0x10,
+ 0x00, 0x00, 0x07, 0x08, 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, 0x00, 0x0e, 0x10,
+ 0x00, 0x00, 0x07, 0x08, 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 bool test_stopped;
+static int test_fd[2];
+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 };
+
+TEST(radv_prefix) {
+ sd_radv_prefix *p;
+
+ 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, 1, 1) < 0);
+ assert_se(sd_radv_prefix_set_valid_lifetime(p, 0, 0) >= 0);
+ assert_se(sd_radv_prefix_set_valid_lifetime(p, 300 * USEC_PER_SEC, USEC_INFINITY) >= 0);
+ assert_se(sd_radv_prefix_set_valid_lifetime(p, 300 * USEC_PER_SEC, USEC_PER_YEAR) >= 0);
+
+ assert_se(sd_radv_prefix_set_preferred_lifetime(NULL, 1, 1) < 0);
+ assert_se(sd_radv_prefix_set_preferred_lifetime(p, 0, 0) >= 0);
+ assert_se(sd_radv_prefix_set_preferred_lifetime(p, 300 * USEC_PER_SEC, USEC_INFINITY) >= 0);
+ assert_se(sd_radv_prefix_set_preferred_lifetime(p, 300 * USEC_PER_SEC, USEC_PER_YEAR) >= 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);
+}
+
+TEST(radv) {
+ sd_radv *ra;
+
+ 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, USEC_INFINITY) < 0);
+ assert_se(sd_radv_set_router_lifetime(ra, USEC_PER_YEAR) < 0);
+ assert_se(sd_radv_set_router_lifetime(ra, 300 * USEC_PER_SEC) >= 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, 300 * USEC_PER_SEC) >= 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 *ret_sender,
+ triple_timestamp *ret_timestamp) {
+
+ assert_se(read (fd, iov_base, iov_len) == (ssize_t)iov_len);
+
+ if (ret_timestamp)
+ triple_timestamp_get(ret_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 %i\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("%3zu: ", 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;
+}
+
+TEST(ra) {
+ _cleanup_(sd_event_unrefp) sd_event *e = NULL;
+ _cleanup_(sd_event_source_unrefp) sd_event_source *recv_router_advertisement = NULL;
+ _cleanup_(sd_radv_unrefp) sd_radv *ra = NULL;
+
+ 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 * USEC_PER_SEC) >= 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 (unsigned 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 > 0)
+ assert_se(sd_radv_prefix_set_valid_lifetime(p, prefix[i].valid * USEC_PER_SEC, USEC_INFINITY) >= 0);
+ if (prefix[i].preferred > 0)
+ assert_se(sd_radv_prefix_set_preferred_lifetime(p, prefix[i].preferred * USEC_PER_SEC, USEC_INFINITY) >= 0);
+
+ assert_se((sd_radv_add_prefix(ra, p) >= 0) == prefix[i].successful);
+ /* If the previous sd_radv_add_prefix() succeeds, then also the second call should also succeed. */
+ assert_se((sd_radv_add_prefix(ra, p) >= 0) == prefix[i].successful);
+
+ 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_source_set_io_fd_own(recv_router_advertisement, true) >= 0);
+
+ assert_se(sd_event_add_time_relative(e, NULL, CLOCK_BOOTTIME,
+ 2 * USEC_PER_SEC, 0,
+ NULL, INT_TO_PTR(-ETIMEDOUT)) >= 0);
+
+ assert_se(sd_radv_start(ra) >= 0);
+
+ assert_se(sd_event_loop(e) >= 0);
+}
+
+DEFINE_TEST_MAIN(LOG_DEBUG);
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