diff options
Diffstat (limited to 'src/libsystemd-network/test-ndisc-ra.c')
| -rw-r--r-- | src/libsystemd-network/test-ndisc-ra.c | 370 |
1 files changed, 370 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..927e21b --- /dev/null +++ b/src/libsystemd-network/test-ndisc-ra.c @@ -0,0 +1,370 @@ +/* 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, 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; +} |