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-rw-r--r--src/libsystemd-network/test-ndisc-rs.c272
1 files changed, 243 insertions, 29 deletions
diff --git a/src/libsystemd-network/test-ndisc-rs.c b/src/libsystemd-network/test-ndisc-rs.c
index d94cc1c..66aad26 100644
--- a/src/libsystemd-network/test-ndisc-rs.c
+++ b/src/libsystemd-network/test-ndisc-rs.c
@@ -12,7 +12,8 @@
#include "alloc-util.h"
#include "fd-util.h"
#include "hexdecoct.h"
-#include "icmp6-util-unix.h"
+#include "icmp6-packet.h"
+#include "icmp6-test-util.h"
#include "socket-util.h"
#include "strv.h"
#include "ndisc-internal.h"
@@ -23,21 +24,20 @@ static struct ether_addr mac_addr = {
};
static bool verbose = false;
-static sd_ndisc *test_timeout_nd;
static void router_dump(sd_ndisc_router *rt) {
struct in6_addr addr;
uint8_t hop_limit;
- usec_t t, lifetime;
+ usec_t t, lifetime, retrans_time;
uint64_t flags;
uint32_t mtu;
- unsigned preference;
+ uint8_t preference;
int r;
assert_se(rt);
log_info("--");
- assert_se(sd_ndisc_router_get_address(rt, &addr) >= 0);
+ assert_se(sd_ndisc_router_get_sender_address(rt, &addr) >= 0);
log_info("Sender: %s", IN6_ADDR_TO_STRING(&addr));
assert_se(sd_ndisc_router_get_timestamp(rt, CLOCK_REALTIME, &t) >= 0);
@@ -65,6 +65,9 @@ static void router_dump(sd_ndisc_router *rt) {
assert_se(sd_ndisc_router_get_lifetime_timestamp(rt, CLOCK_REALTIME, &t) >= 0);
log_info("Lifetime: %s (%s)", FORMAT_TIMESPAN(lifetime, USEC_PER_SEC), FORMAT_TIMESTAMP(t));
+ assert_se(sd_ndisc_router_get_retransmission_time(rt, &retrans_time) >= 0);
+ log_info("Retransmission Time: %s", FORMAT_TIMESPAN(retrans_time, USEC_PER_SEC));
+
if (sd_ndisc_router_get_mtu(rt, &mtu) < 0)
log_info("No MTU set");
else
@@ -88,20 +91,19 @@ static void router_dump(sd_ndisc_router *rt) {
case SD_NDISC_OPTION_SOURCE_LL_ADDRESS:
case SD_NDISC_OPTION_TARGET_LL_ADDRESS: {
_cleanup_free_ char *c = NULL;
- const void *p;
+ const uint8_t *p;
size_t n;
assert_se(sd_ndisc_router_option_get_raw(rt, &p, &n) >= 0);
assert_se(n > 2);
- assert_se(c = hexmem((uint8_t*) p + 2, n - 2));
+ assert_se(c = hexmem(p + 2, n - 2));
log_info("Address: %s", c);
break;
}
case SD_NDISC_OPTION_PREFIX_INFORMATION: {
- unsigned prefix_len;
- uint8_t pfl;
+ uint8_t prefix_len, pfl;
struct in6_addr a;
assert_se(sd_ndisc_router_prefix_get_valid_lifetime(rt, &lifetime) >= 0);
@@ -143,14 +145,12 @@ static void router_dump(sd_ndisc_router *rt) {
}
case SD_NDISC_OPTION_DNSSL: {
- _cleanup_strv_free_ char **l = NULL;
- int n, i;
+ char **l;
- n = sd_ndisc_router_dnssl_get_domains(rt, &l);
- assert_se(n > 0);
+ assert_se(sd_ndisc_router_dnssl_get_domains(rt, &l) >= 0);
- for (i = 0; i < n; i++)
- log_info("Domain: %s", l[i]);
+ STRV_FOREACH(s, l)
+ log_info("Domain: %s", *s);
assert_se(sd_ndisc_router_dnssl_get_lifetime(rt, &lifetime) >= 0);
assert_se(sd_ndisc_router_dnssl_get_lifetime_timestamp(rt, CLOCK_REALTIME, &t) >= 0);
@@ -164,18 +164,23 @@ static void router_dump(sd_ndisc_router *rt) {
static int send_ra(uint8_t flags) {
uint8_t advertisement[] = {
+ /* struct nd_router_advert */
0x86, 0x00, 0xde, 0x83, 0x40, 0xc0, 0x00, 0xb4,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* type = 0x03 (SD_NDISC_OPTION_PREFIX_INFORMATION), length = 32 */
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,
+ /* type = 0x19 (SD_NDISC_OPTION_RDNSS), length = 24 */
0x19, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c,
0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+ /* type = 0x1f (SD_NDISC_OPTION_DNSSL), length = 24 */
0x1f, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c,
0x03, 0x6c, 0x61, 0x62, 0x05, 0x69, 0x6e, 0x74,
0x72, 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* type = 0x01 (SD_NDISC_OPTION_SOURCE_LL_ADDRESS), length = 8 */
0x01, 0x01, 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53,
};
@@ -190,7 +195,7 @@ static int send_ra(uint8_t flags) {
return 0;
}
-static void test_callback(sd_ndisc *nd, sd_ndisc_event_t event, sd_ndisc_router *rt, void *userdata) {
+static void test_callback_ra(sd_ndisc *nd, sd_ndisc_event_t event, void *message, void *userdata) {
sd_event *e = userdata;
static unsigned idx = 0;
uint64_t flags_array[] = {
@@ -207,6 +212,8 @@ static void test_callback(sd_ndisc *nd, sd_ndisc_event_t event, sd_ndisc_router
if (event != SD_NDISC_EVENT_ROUTER)
return;
+ sd_ndisc_router *rt = ASSERT_PTR(message);
+
router_dump(rt);
assert_se(sd_ndisc_router_get_flags(rt, &flags) >= 0);
@@ -221,15 +228,22 @@ static void test_callback(sd_ndisc *nd, sd_ndisc_event_t event, sd_ndisc_router
return;
}
+ idx = 0;
sd_event_exit(e, 0);
}
+static int on_recv_rs(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
+ _cleanup_(icmp6_packet_unrefp) ICMP6Packet *packet = NULL;
+ assert_se(icmp6_packet_receive(fd, &packet) >= 0);
+
+ return send_ra(0);
+}
+
TEST(rs) {
_cleanup_(sd_event_unrefp) sd_event *e = NULL;
+ _cleanup_(sd_event_source_unrefp) sd_event_source *s = NULL;
_cleanup_(sd_ndisc_unrefp) sd_ndisc *nd = NULL;
- send_ra_function = send_ra;
-
assert_se(sd_event_new(&e) >= 0);
assert_se(sd_ndisc_new(&nd) >= 0);
@@ -239,7 +253,7 @@ TEST(rs) {
assert_se(sd_ndisc_set_ifindex(nd, 42) >= 0);
assert_se(sd_ndisc_set_mac(nd, &mac_addr) >= 0);
- assert_se(sd_ndisc_set_callback(nd, test_callback, e) >= 0);
+ assert_se(sd_ndisc_set_callback(nd, test_callback_ra, e) >= 0);
assert_se(sd_event_add_time_relative(e, NULL, CLOCK_BOOTTIME,
30 * USEC_PER_SEC, 0,
@@ -253,19 +267,219 @@ TEST(rs) {
assert_se(sd_ndisc_start(nd) >= 0);
+ assert_se(sd_event_add_io(e, &s, test_fd[1], EPOLLIN, on_recv_rs, nd) >= 0);
+ assert_se(sd_event_source_set_io_fd_own(s, true) >= 0);
+
assert_se(sd_event_loop(e) >= 0);
- test_fd[1] = safe_close(test_fd[1]);
+ test_fd[1] = -EBADF;
}
-static int test_timeout_value(uint8_t flags) {
+static int send_ra_invalid_domain(uint8_t flags) {
+ uint8_t advertisement[] = {
+ /* struct nd_router_advert */
+ 0x86, 0x00, 0xde, 0x83, 0x40, 0xc0, 0x00, 0xb4,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* type = 0x03 (SD_NDISC_OPTION_PREFIX_INFORMATION), length = 32 */
+ 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,
+ /* type = 0x19 (SD_NDISC_OPTION_RDNSS), length = 24 */
+ 0x19, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c,
+ 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+ /* type = 0x1f (SD_NDISC_OPTION_DNSSL), length = 112 */
+ 0x1f, 0x0e, 0xee, 0x68, 0xb0, 0xf4, 0x36, 0x39,
+ 0x2c, 0xbc, 0x0b, 0xbc, 0xa9, 0x97, 0x71, 0x37,
+ 0xad, 0x86, 0x80, 0x14, 0x2e, 0x58, 0xaa, 0x8a,
+ 0xb7, 0xa1, 0xbe, 0x91, 0x59, 0x00, 0xc4, 0xe8,
+ 0xdd, 0xd8, 0x6d, 0xe5, 0x4a, 0x7a, 0x71, 0x42,
+ 0x74, 0x45, 0x9e, 0x2e, 0xfd, 0x9d, 0x71, 0x1d,
+ 0xd0, 0xc0, 0x54, 0x0c, 0x4d, 0x1f, 0xbf, 0x90,
+ 0xd9, 0x79, 0x58, 0xc0, 0x1d, 0xa3, 0x39, 0xcf,
+ 0xb8, 0xec, 0xd2, 0xe4, 0xcd, 0xb6, 0x13, 0x2f,
+ 0xc0, 0x46, 0xe8, 0x07, 0x3f, 0xaa, 0x28, 0xa5,
+ 0x23, 0xf1, 0xf0, 0xca, 0xd3, 0x19, 0x3f, 0xfa,
+ 0x6c, 0x7c, 0xec, 0x1b, 0xcf, 0x71, 0xeb, 0xba,
+ 0x68, 0x1b, 0x8e, 0x7d, 0x93, 0x7e, 0x0b, 0x9f,
+ 0xdb, 0x12, 0x9c, 0x75, 0x22, 0x5f, 0x12, 0x00,
+ /* type = 0x01 (SD_NDISC_OPTION_SOURCE_LL_ADDRESS), length = 8 */
+ 0x01, 0x01, 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53,
+ };
+
+ advertisement[5] = flags;
+
+ printf("sizeof(nd_router_advert)=%zu\n", sizeof(struct nd_router_advert));
+
+ assert_se(write(test_fd[1], advertisement, sizeof(advertisement)) ==
+ sizeof(advertisement));
+
+ if (verbose)
+ printf(" sent RA with flag 0x%02x\n", flags);
+
+ return 0;
+}
+
+static int on_recv_rs_invalid_domain(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
+ _cleanup_(icmp6_packet_unrefp) ICMP6Packet *packet = NULL;
+ assert_se(icmp6_packet_receive(fd, &packet) >= 0);
+
+ return send_ra_invalid_domain(0);
+}
+
+TEST(invalid_domain) {
+ _cleanup_(sd_event_unrefp) sd_event *e = NULL;
+ _cleanup_(sd_event_source_unrefp) sd_event_source *s = NULL;
+ _cleanup_(sd_ndisc_unrefp) sd_ndisc *nd = NULL;
+
+ assert_se(sd_event_new(&e) >= 0);
+
+ assert_se(sd_ndisc_new(&nd) >= 0);
+ assert_se(nd);
+
+ assert_se(sd_ndisc_attach_event(nd, e, 0) >= 0);
+
+ assert_se(sd_ndisc_set_ifindex(nd, 42) >= 0);
+ assert_se(sd_ndisc_set_mac(nd, &mac_addr) >= 0);
+ assert_se(sd_ndisc_set_callback(nd, test_callback_ra, e) >= 0);
+
+ assert_se(sd_event_add_time_relative(e, NULL, CLOCK_BOOTTIME,
+ 30 * USEC_PER_SEC, 0,
+ NULL, INT_TO_PTR(-ETIMEDOUT)) >= 0);
+
+ assert_se(sd_ndisc_start(nd) >= 0);
+
+ assert_se(sd_event_add_io(e, &s, test_fd[1], EPOLLIN, on_recv_rs_invalid_domain, nd) >= 0);
+ assert_se(sd_event_source_set_io_fd_own(s, true) >= 0);
+
+ assert_se(sd_event_loop(e) >= 0);
+
+ test_fd[1] = -EBADF;
+}
+
+static void neighbor_dump(sd_ndisc_neighbor *na) {
+ struct in6_addr addr;
+ uint32_t flags;
+
+ assert_se(na);
+
+ log_info("--");
+ assert_se(sd_ndisc_neighbor_get_sender_address(na, &addr) >= 0);
+ log_info("Sender: %s", IN6_ADDR_TO_STRING(&addr));
+
+ assert_se(sd_ndisc_neighbor_get_flags(na, &flags) >= 0);
+ log_info("Flags: Router:%s, Solicited:%s, Override: %s",
+ yes_no(flags & ND_NA_FLAG_ROUTER),
+ yes_no(flags & ND_NA_FLAG_SOLICITED),
+ yes_no(flags & ND_NA_FLAG_OVERRIDE));
+
+ assert_se(sd_ndisc_neighbor_is_router(na) == FLAGS_SET(flags, ND_NA_FLAG_ROUTER));
+ assert_se(sd_ndisc_neighbor_is_solicited(na) == FLAGS_SET(flags, ND_NA_FLAG_SOLICITED));
+ assert_se(sd_ndisc_neighbor_is_override(na) == FLAGS_SET(flags, ND_NA_FLAG_OVERRIDE));
+}
+
+static int send_na(uint32_t flags) {
+ uint8_t advertisement[] = {
+ /* struct nd_neighbor_advert */
+ 0x88, 0x00, 0xde, 0x83, 0x00, 0x00, 0x00, 0x00,
+ 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+ /* type = 0x02 (SD_NDISC_OPTION_TARGET_LL_ADDRESS), length = 8 */
+ 0x01, 0x01, 'A', 'B', 'C', '1', '2', '3',
+ };
+
+ ((struct nd_neighbor_advert*) advertisement)->nd_na_flags_reserved = flags;
+
+ assert_se(write(test_fd[1], advertisement, sizeof(advertisement)) == sizeof(advertisement));
+ if (verbose)
+ printf(" sent NA with flag 0x%02x\n", flags);
+
+ return 0;
+}
+
+static void test_callback_na(sd_ndisc *nd, sd_ndisc_event_t event, void *message, void *userdata) {
+ sd_event *e = userdata;
+ static unsigned idx = 0;
+ uint32_t flags_array[] = {
+ 0,
+ 0,
+ ND_NA_FLAG_ROUTER,
+ ND_NA_FLAG_SOLICITED,
+ ND_NA_FLAG_SOLICITED | ND_NA_FLAG_OVERRIDE,
+ };
+ uint32_t flags;
+
+ assert_se(nd);
+
+ if (event != SD_NDISC_EVENT_NEIGHBOR)
+ return;
+
+ sd_ndisc_neighbor *rt = ASSERT_PTR(message);
+
+ neighbor_dump(rt);
+
+ assert_se(sd_ndisc_neighbor_get_flags(rt, &flags) >= 0);
+ assert_se(flags == flags_array[idx]);
+ idx++;
+
+ if (verbose)
+ printf(" got event 0x%02" PRIx32 "\n", flags);
+
+ if (idx < ELEMENTSOF(flags_array)) {
+ send_na(flags_array[idx]);
+ return;
+ }
+
+ idx = 0;
+ sd_event_exit(e, 0);
+}
+
+static int on_recv_rs_na(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
+ _cleanup_(icmp6_packet_unrefp) ICMP6Packet *packet = NULL;
+ assert_se(icmp6_packet_receive(fd, &packet) >= 0);
+
+ return send_na(0);
+}
+
+TEST(na) {
+ _cleanup_(sd_event_unrefp) sd_event *e = NULL;
+ _cleanup_(sd_event_source_unrefp) sd_event_source *s = NULL;
+ _cleanup_(sd_ndisc_unrefp) sd_ndisc *nd = NULL;
+
+ assert_se(sd_event_new(&e) >= 0);
+
+ assert_se(sd_ndisc_new(&nd) >= 0);
+ assert_se(nd);
+
+ assert_se(sd_ndisc_attach_event(nd, e, 0) >= 0);
+
+ assert_se(sd_ndisc_set_ifindex(nd, 42) >= 0);
+ assert_se(sd_ndisc_set_mac(nd, &mac_addr) >= 0);
+ assert_se(sd_ndisc_set_callback(nd, test_callback_na, e) >= 0);
+
+ assert_se(sd_event_add_time_relative(e, NULL, CLOCK_BOOTTIME,
+ 30 * USEC_PER_SEC, 0,
+ NULL, INT_TO_PTR(-ETIMEDOUT)) >= 0);
+
+ assert_se(sd_ndisc_start(nd) >= 0);
+
+ assert_se(sd_event_add_io(e, &s, test_fd[1], EPOLLIN, on_recv_rs_na, nd) >= 0);
+ assert_se(sd_event_source_set_io_fd_own(s, true) >= 0);
+
+ assert_se(sd_event_loop(e) >= 0);
+
+ test_fd[1] = -EBADF;
+}
+
+static int on_recv_rs_timeout(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
+ _cleanup_(icmp6_packet_unrefp) ICMP6Packet *packet = NULL;
+ sd_ndisc *nd = ASSERT_PTR(userdata);
static int count = 0;
static usec_t last = 0;
- sd_ndisc *nd = test_timeout_nd;
usec_t min, max;
- assert_se(nd);
- assert_se(nd->event);
+ assert_se(icmp6_packet_receive(fd, &packet) >= 0);
if (++count >= 20)
sd_event_exit(nd->event, 0);
@@ -309,17 +523,14 @@ static int test_timeout_value(uint8_t flags) {
TEST(timeout) {
_cleanup_(sd_event_unrefp) sd_event *e = NULL;
+ _cleanup_(sd_event_source_unrefp) sd_event_source *s = NULL;
_cleanup_(sd_ndisc_unrefp) sd_ndisc *nd = NULL;
- send_ra_function = test_timeout_value;
-
assert_se(sd_event_new(&e) >= 0);
assert_se(sd_ndisc_new(&nd) >= 0);
assert_se(nd);
- test_timeout_nd = nd;
-
assert_se(sd_ndisc_attach_event(nd, e, 0) >= 0);
assert_se(sd_ndisc_set_ifindex(nd, 42) >= 0);
@@ -331,9 +542,12 @@ TEST(timeout) {
assert_se(sd_ndisc_start(nd) >= 0);
+ assert_se(sd_event_add_io(e, &s, test_fd[1], EPOLLIN, on_recv_rs_timeout, nd) >= 0);
+ assert_se(sd_event_source_set_io_fd_own(s, true) >= 0);
+
assert_se(sd_event_loop(e) >= 0);
- test_fd[1] = safe_close(test_fd[1]);
+ test_fd[1] = -EBADF;
}
DEFINE_TEST_MAIN(LOG_DEBUG);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 04:03:52 +0000