diff options
| -rw-r--r-- | src/libsystemd-network/test-icmp6-rs.c | 207 |
1 files changed, 200 insertions, 7 deletions
diff --git a/src/libsystemd-network/test-icmp6-rs.c b/src/libsystemd-network/test-icmp6-rs.c index 9d50c57927..8ba21106a7 100644 --- a/src/libsystemd-network/test-icmp6-rs.c +++ b/src/libsystemd-network/test-icmp6-rs.c @@ -34,6 +34,9 @@ static bool verbose = false; static sd_event_source *test_hangcheck; static int test_fd[2]; +typedef int (*send_ra_t)(uint8_t flags); +static send_ra_t send_ra_function; + static int test_rs_hangcheck(sd_event_source *s, uint64_t usec, void *userdata) { assert_se(false); @@ -50,6 +53,191 @@ int dhcp_network_icmp6_bind_router_solicitation(int index) { return test_fd[0]; } +static int send_ra_short_prefix(uint8_t flags) { + uint8_t advertisement[] = { + 0x86, 0x00, 0xbe, 0xd7, 0x40, 0xc0, 0x00, 0xb4, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + + 0x03, 0x04, 0x34, 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 + }; + + assert_se(write(test_fd[1], advertisement, sizeof(advertisement)) == + sizeof(advertisement)); + + return 0; +} + +static void test_short_prefix_cb(sd_icmp6_nd *nd, int event, void *userdata) { + sd_event *e = userdata; + struct { + struct in6_addr addr; + uint8_t prefixlen; + bool success; + } addrs[] = { + { { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, + 52, true }, + { { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0x0d, 0xad, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, + 64, false }, + { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, + 60, true }, + { { { { 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x9d, 0xab, 0xcd, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, + 64, true }, + { { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xed, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } } }, + 52, true }, + }; + uint8_t prefixlen; + unsigned int i; + + for (i = 0; i < ELEMENTSOF(addrs); i++) { + printf(" %s prefix %02x%02x:%02x%02x:%02x%02x:%02x%02x", + __FUNCTION__, + addrs[i].addr.s6_addr[0], addrs[i].addr.s6_addr[1], + addrs[i].addr.s6_addr[2], addrs[i].addr.s6_addr[3], + addrs[i].addr.s6_addr[4], addrs[i].addr.s6_addr[5], + addrs[i].addr.s6_addr[6], addrs[i].addr.s6_addr[7]); + + if (addrs[i].success) { + assert_se(sd_icmp6_ra_get_prefixlen(nd, &addrs[i].addr, + &prefixlen) >= 0); + assert_se(addrs[i].prefixlen == prefixlen); + printf("/%d onlink\n", prefixlen); + } else { + assert_se(sd_icmp6_ra_get_prefixlen(nd, &addrs[i].addr, + &prefixlen) == -EADDRNOTAVAIL); + printf("/128 offlink\n"); + } + } + + sd_event_exit(e, 0); +} + +static int send_ra_prefixes(uint8_t flags) { + uint8_t advertisement[] = { + 0x86, 0x00, 0xbe, 0xd7, 0x40, 0xc0, 0x00, 0xb4, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x03, 0x04, 0x3f, 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, + 0x03, 0x04, 0x40, 0x00, 0x00, 0x00, 0x02, 0x58, + 0x00, 0x00, 0x02, 0x1c, 0x00, 0x00, 0x00, 0x00, + 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0x0d, 0xad, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x03, 0x04, 0x3c, 0x80, 0x00, 0x00, 0x03, 0x84, + 0x00, 0x00, 0x03, 0x20, 0x00, 0x00, 0x00, 0x00, + 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x03, 0x04, 0x40, 0xc0, 0x00, 0x00, 0x03, 0x84, + 0x00, 0x00, 0x03, 0x20, 0x00, 0x00, 0x00, 0x00, + 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x9d, 0xab, 0xcd, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x19, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, + 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x1f, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, + 0x03, 0x6c, 0x61, 0x62, 0x05, 0x69, 0x6e, 0x74, + 0x72, 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x01, 0x01, 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53 + }; + + assert_se(write(test_fd[1], advertisement, sizeof(advertisement)) == + sizeof(advertisement)); + + return 0; +} + +static void test_prefixes_cb(sd_icmp6_nd *nd, int event, void *userdata) { + sd_event *e = userdata; + struct { + struct in6_addr addr; + uint8_t prefixlen; + bool success; + } addrs[] = { + { { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, + 63, true }, + { { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0x0d, 0xad, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, + 64, false }, + { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, + 60, true }, + { { { { 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x9d, 0xab, 0xcd, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, + 64, true }, + { { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xed, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } } }, + 63, false }, + }; + uint8_t prefixlen; + unsigned int i; + + for (i = 0; i < ELEMENTSOF(addrs); i++) { + printf(" %s prefix %02x%02x:%02x%02x:%02x%02x:%02x%02x", + __FUNCTION__, + addrs[i].addr.s6_addr[0], addrs[i].addr.s6_addr[1], + addrs[i].addr.s6_addr[2], addrs[i].addr.s6_addr[3], + addrs[i].addr.s6_addr[4], addrs[i].addr.s6_addr[5], + addrs[i].addr.s6_addr[6], addrs[i].addr.s6_addr[7]); + + if (addrs[i].success) { + assert_se(sd_icmp6_ra_get_prefixlen(nd, &addrs[i].addr, + &prefixlen) >= 0); + assert_se(addrs[i].prefixlen == prefixlen); + printf("/%d onlink\n", prefixlen); + } else { + assert_se(sd_icmp6_ra_get_prefixlen(nd, &addrs[i].addr, + &prefixlen) == -EADDRNOTAVAIL); + printf("/128 offlink\n"); + } + } + + send_ra_function = send_ra_short_prefix; + assert_se(sd_icmp6_nd_set_callback(nd, test_short_prefix_cb, e) >= 0); + assert_se(sd_icmp6_nd_stop(nd) >= 0); + assert_se(sd_icmp6_router_solicitation_start(nd) >= 0); +} + +static void test_prefixes(void) { + sd_event *e; + sd_icmp6_nd *nd; + + if (verbose) + printf("* %s\n", __FUNCTION__); + + send_ra_function = send_ra_prefixes; + + assert_se(sd_event_new(&e) >= 0); + + assert_se(sd_icmp6_nd_new(&nd) >= 0); + assert_se(nd); + + assert_se(sd_icmp6_nd_attach_event(nd, e, 0) >= 0); + + assert_se(sd_icmp6_nd_set_index(nd, 42) >= 0); + assert_se(sd_icmp6_nd_set_mac(nd, &mac_addr) >= 0); + assert_se(sd_icmp6_nd_set_callback(nd, test_prefixes_cb, e) >= 0); + + assert_se(sd_icmp6_router_solicitation_start(nd) >= 0); + + sd_event_loop(e); + + nd = sd_icmp6_nd_unref(nd); + assert_se(!nd); + + close(test_fd[1]); + + sd_event_unref(e); +} + static int send_ra(uint8_t flags) { uint8_t advertisement[] = { 0x86, 0x00, 0xde, 0x83, 0x40, 0xc0, 0x00, 0xb4, @@ -79,7 +267,7 @@ static int send_ra(uint8_t flags) { } int dhcp_network_icmp6_send_router_solicitation(int s, const struct ether_addr *ether_addr) { - return send_ra(0); + return send_ra_function(0); } static void test_rs_done(sd_icmp6_nd *nd, int event, void *userdata) { @@ -113,13 +301,18 @@ static void test_rs_done(sd_icmp6_nd *nd, int event, void *userdata) { sd_event_exit(e, 0); } -static void test_rs(sd_event *e) { - usec_t time_now = now(clock_boottime_or_monotonic()); +static void test_rs(void) { + sd_event *e; sd_icmp6_nd *nd; + usec_t time_now = now(clock_boottime_or_monotonic()); if (verbose) printf("* %s\n", __FUNCTION__); + send_ra_function = send_ra; + + assert_se(sd_event_new(&e) >= 0); + assert_se(sd_icmp6_nd_new(&nd) >= 0); assert_se(nd); @@ -147,18 +340,18 @@ static void test_rs(sd_event *e) { assert_se(!nd); close(test_fd[1]); + + sd_event_unref(e); } int main(int argc, char *argv[]) { - sd_event *e; - - assert_se(sd_event_new(&e) >= 0); log_set_max_level(LOG_DEBUG); log_parse_environment(); log_open(); - test_rs(e); + test_rs(); + test_prefixes(); return 0; } |