chiark / gitweb /
test-dhcp6-client: Add a simple Information Request test case
[elogind.git] / src / libsystemd-network / test-dhcp6-client.c
index 326a56c3898e5fc460e76590f3ed6c4915f6d0d4..75908391f0c47944e4201e4d8866f9440164a191 100644 (file)
@@ -41,12 +41,14 @@ static struct ether_addr mac_addr = {
         .ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}
 };
 
-static bool verbose = false;
+static bool verbose = true;
 
 static sd_event_source *hangcheck;
 static int test_dhcp_fd[2];
 static int test_index = 42;
-static sd_event *e_solicit;
+static int test_client_message_num;
+static be32_t test_iaid = 0;
+static uint8_t test_duid[14] = { };
 
 static int test_client_basic(sd_event *e) {
         sd_dhcp6_client *client;
@@ -64,7 +66,16 @@ static int test_client_basic(sd_event *e) {
         assert_se(sd_dhcp6_client_set_index(client, -1) == 0);
         assert_se(sd_dhcp6_client_set_index(client, 42) >= 0);
 
-        assert_se(sd_dhcp6_client_set_mac(client, &mac_addr) >= 0);
+        assert_se(sd_dhcp6_client_set_mac(client, (const uint8_t *) &mac_addr,
+                                          sizeof (mac_addr),
+                                          ARPHRD_ETHER) >= 0);
+
+        assert_se(sd_dhcp6_client_set_request_option(client, DHCP6_OPTION_CLIENTID) == -EINVAL);
+        assert_se(sd_dhcp6_client_set_request_option(client, DHCP6_OPTION_DNS_SERVERS) == -EEXIST);
+        assert_se(sd_dhcp6_client_set_request_option(client, DHCP6_OPTION_NTP_SERVER) == -EEXIST);
+        assert_se(sd_dhcp6_client_set_request_option(client, DHCP6_OPTION_SNTP_SERVERS) == 0);
+        assert_se(sd_dhcp6_client_set_request_option(client, DHCP6_OPTION_DOMAIN_LIST) == -EEXIST);
+        assert_se(sd_dhcp6_client_set_request_option(client, 10) == -EINVAL);
 
         assert_se(sd_dhcp6_client_set_callback(client, NULL, NULL) >= 0);
 
@@ -168,12 +179,37 @@ static uint8_t msg_advertise[198] = {
         0x53, 0x00, 0x07, 0x00, 0x01, 0x00
 };
 
+static uint8_t msg_reply[173] = {
+        0x07, 0xf7, 0x4e, 0x57, 0x00, 0x02, 0x00, 0x0e,
+        0x00, 0x01, 0x00, 0x01, 0x19, 0x40, 0x5c, 0x53,
+        0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53, 0x00, 0x01,
+        0x00, 0x0e, 0x00, 0x01, 0x00, 0x01, 0x1a, 0x6b,
+        0xf3, 0x30, 0x3c, 0x97, 0x0e, 0xcf, 0xa3, 0x7d,
+        0x00, 0x03, 0x00, 0x4a, 0x0e, 0xcf, 0xa3, 0x7d,
+        0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x78,
+        0x00, 0x05, 0x00, 0x18, 0x20, 0x01, 0x0d, 0xb8,
+        0xde, 0xad, 0xbe, 0xef, 0x78, 0xee, 0x1c, 0xf3,
+        0x09, 0x3c, 0x55, 0xad, 0x00, 0x00, 0x00, 0x96,
+        0x00, 0x00, 0x00, 0xb4, 0x00, 0x0d, 0x00, 0x1e,
+        0x00, 0x00, 0x41, 0x6c, 0x6c, 0x20, 0x61, 0x64,
+        0x64, 0x72, 0x65, 0x73, 0x73, 0x65, 0x73, 0x20,
+        0x77, 0x65, 0x72, 0x65, 0x20, 0x61, 0x73, 0x73,
+        0x69, 0x67, 0x6e, 0x65, 0x64, 0x2e, 0x00, 0x17,
+        0x00, 0x10, 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad,
+        0xbe, 0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x01, 0x00, 0x18, 0x00, 0x0b, 0x03, 0x6c,
+        0x61, 0x62, 0x05, 0x69, 0x6e, 0x74, 0x72, 0x61,
+        0x00, 0x00, 0x1f, 0x00, 0x10, 0x20, 0x01, 0x0d,
+        0xb8, 0xde, 0xad, 0xbe, 0xef, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x01
+};
+
 static int test_advertise_option(sd_event *e) {
         _cleanup_dhcp6_lease_free_ sd_dhcp6_lease *lease = NULL;
         DHCP6Message *advertise = (DHCP6Message *)msg_advertise;
-        uint8_t *optval, *opt = &msg_advertise[sizeof(DHCP6Message)];
+        uint8_t *optval, *opt = msg_advertise + sizeof(DHCP6Message);
         uint16_t optcode;
-        size_t optlen, len = sizeof(msg_advertise);
+        size_t optlen, len = sizeof(msg_advertise) - sizeof(DHCP6Message);
         be32_t val;
         uint8_t preference = 255;
         struct in6_addr addr;
@@ -235,6 +271,11 @@ static int test_advertise_option(sd_event *e) {
                                                              *optval) >= 0);
                         break;
 
+                case DHCP6_OPTION_ELAPSED_TIME:
+                        assert_se(optlen == 2);
+
+                        break;
+
                 default:
                         break;
                 }
@@ -294,23 +335,55 @@ int detect_virtualization(const char **id) {
         return 1;
 }
 
-int dhcp6_network_bind_udp_socket(int index, struct in6_addr *local_address) {
-        assert_se(index == test_index);
+static void test_client_solicit_cb(sd_dhcp6_client *client, int event,
+                                   void *userdata) {
+        sd_event *e = userdata;
 
-        if (socketpair(AF_UNIX, SOCK_STREAM, 0, test_dhcp_fd) < 0)
-                return -errno;
+        assert_se(e);
+        assert_se(event == DHCP6_EVENT_IP_ACQUIRE);
 
-        return test_dhcp_fd[0];
+        assert_se(sd_dhcp6_client_set_request_option(client, DHCP6_OPTION_DNS_SERVERS) == -EBUSY);
+
+        if (verbose)
+                printf("  got DHCPv6 event %d\n", event);
+
+        sd_event_exit(e, 0);
+}
+
+static int test_client_send_reply(DHCP6Message *request) {
+        DHCP6Message reply;
+
+        reply.transaction_id = request->transaction_id;
+        reply.type = DHCP6_REPLY;
+
+        memcpy(msg_reply, &reply.transaction_id, 4);
+
+        memcpy(&msg_reply[26], test_duid, sizeof(test_duid));
+
+        memcpy(&msg_reply[44], &test_iaid, sizeof(test_iaid));
+
+        assert_se(write(test_dhcp_fd[1], msg_reply, sizeof(msg_reply))
+                  == sizeof(msg_reply));
+
+        return 0;
 }
 
-static int verify_solicit(DHCP6Message *solicit, uint8_t *option, size_t len) {
+static int test_client_verify_request(DHCP6Message *request, uint8_t *option,
+                                      size_t len) {
+        _cleanup_dhcp6_lease_free_ sd_dhcp6_lease *lease = NULL;
         uint8_t *optval;
         uint16_t optcode;
         size_t optlen;
-        bool found_clientid = false, found_iana = false;
+        bool found_clientid = false, found_iana = false, found_serverid = false,
+                found_elapsed_time = false;
         int r;
+        struct in6_addr addr;
+        be32_t val;
+        uint32_t lt_pref, lt_valid;
 
-        assert_se(solicit->type == DHCP6_SOLICIT);
+        assert_se(request->type == DHCP6_REQUEST);
+
+        assert_se(dhcp6_lease_new(&lease) >= 0);
 
         while ((r = dhcp6_option_parse(&option, &len,
                                        &optcode, &optlen, &optval)) >= 0) {
@@ -319,7 +392,104 @@ static int verify_solicit(DHCP6Message *solicit, uint8_t *option, size_t len) {
                         assert_se(!found_clientid);
                         found_clientid = true;
 
+                        assert_se(!memcmp(optval, &test_duid,
+                                          sizeof(test_duid)));
+
+                        break;
+
+                case DHCP6_OPTION_IA_NA:
+                        assert_se(!found_iana);
+                        found_iana = true;
+
+
+                        assert_se(optlen == 40);
+                        assert_se(!memcmp(optval, &test_iaid, sizeof(test_iaid)));
+
+                        val = htobe32(80);
+                        assert_se(!memcmp(optval + 4, &val, sizeof(val)));
+
+                        val = htobe32(120);
+                        assert_se(!memcmp(optval + 8, &val, sizeof(val)));
+
+                        assert_se(!dhcp6_option_parse_ia(&optval, &optlen,
+                                                         optcode, &lease->ia));
+
+                        break;
+
+                case DHCP6_OPTION_SERVERID:
+                        assert_se(!found_serverid);
+                        found_serverid = true;
+
                         assert_se(optlen == 14);
+                        assert_se(!memcmp(&msg_advertise[179], optval, optlen));
+
+                        break;
+
+                case DHCP6_OPTION_ELAPSED_TIME:
+                        assert_se(!found_elapsed_time);
+                        found_elapsed_time = true;
+
+                        assert_se(optlen == 2);
+
+                        break;
+                }
+        }
+
+        assert_se(r == -ENOMSG);
+        assert_se(found_clientid && found_iana && found_serverid &&
+                  found_elapsed_time);
+
+        assert_se(sd_dhcp6_lease_get_first_address(lease, &addr, &lt_pref,
+                                                   &lt_valid) >= 0);
+        assert_se(!memcmp(&addr, &msg_advertise[42], sizeof(addr)));
+        assert_se(lt_pref == 150);
+        assert_se(lt_valid == 180);
+
+        assert_se(sd_dhcp6_lease_get_next_address(lease, &addr, &lt_pref,
+                                                  &lt_valid) == -ENOMSG);
+
+        return 0;
+}
+
+static int test_client_send_advertise(DHCP6Message *solicit)
+{
+        DHCP6Message advertise;
+
+        advertise.transaction_id = solicit->transaction_id;
+        advertise.type = DHCP6_ADVERTISE;
+
+        memcpy(msg_advertise, &advertise.transaction_id, 4);
+
+        memcpy(&msg_advertise[8], test_duid, sizeof(test_duid));
+
+        memcpy(&msg_advertise[26], &test_iaid, sizeof(test_iaid));
+
+        assert_se(write(test_dhcp_fd[1], msg_advertise, sizeof(msg_advertise))
+                  == sizeof(msg_advertise));
+
+        return 0;
+}
+
+static int test_client_verify_solicit(DHCP6Message *solicit, uint8_t *option,
+                                      size_t len) {
+        uint8_t *optval;
+        uint16_t optcode;
+        size_t optlen;
+        bool found_clientid = false, found_iana = false,
+                found_elapsed_time = false;
+        int r;
+
+        assert_se(solicit->type == DHCP6_SOLICIT);
+
+        while ((r = dhcp6_option_parse(&option, &len,
+                                       &optcode, &optlen, &optval)) >= 0) {
+                switch(optcode) {
+                case DHCP6_OPTION_CLIENTID:
+                        assert_se(!found_clientid);
+                        found_clientid = true;
+
+                        assert_se(optlen == sizeof(test_duid));
+                        memcpy(&test_duid, optval, sizeof(test_duid));
 
                         break;
 
@@ -329,14 +499,99 @@ static int verify_solicit(DHCP6Message *solicit, uint8_t *option, size_t len) {
 
                         assert_se(optlen == 12);
 
+                        memcpy(&test_iaid, optval, sizeof(test_iaid));
+
+                        break;
+
+                case DHCP6_OPTION_ELAPSED_TIME:
+                        assert_se(!found_elapsed_time);
+                        found_elapsed_time = true;
+
+                        assert_se(optlen == 2);
+
                         break;
                 }
         }
 
         assert_se(r == -ENOMSG);
-        assert_se(found_clientid && found_iana);
+        assert_se(found_clientid && found_iana && found_elapsed_time);
+
+        return 0;
+}
+
+static void test_client_information_cb(sd_dhcp6_client *client, int event,
+                                       void *userdata) {
+        sd_event *e = userdata;
+
+        assert_se(e);
+        assert_se(event == DHCP6_EVENT_INFORMATION_REQUEST);
 
-        sd_event_exit(e_solicit, 0);
+        if (verbose)
+                printf("  got DHCPv6 event %d\n", event);
+
+        assert_se(sd_dhcp6_client_set_information_request(client, false) >= 0);
+        assert_se(sd_dhcp6_client_set_callback(client,
+                                               test_client_solicit_cb, e) >= 0);
+
+        assert_se(sd_dhcp6_client_start(client) >= 0);
+}
+
+static int test_client_verify_information_request(DHCP6Message *information_request,
+                                                  uint8_t *option, size_t len) {
+
+        _cleanup_dhcp6_lease_free_ sd_dhcp6_lease *lease = NULL;
+        uint8_t *optval;
+        uint16_t optcode;
+        size_t optlen;
+        bool found_clientid = false, found_elapsed_time = false;
+        int r;
+        struct in6_addr addr;
+        uint32_t lt_pref, lt_valid;
+
+        assert_se(information_request->type == DHCP6_INFORMATION_REQUEST);
+
+        assert_se(dhcp6_lease_new(&lease) >= 0);
+
+        while ((r = dhcp6_option_parse(&option, &len,
+                                       &optcode, &optlen, &optval)) >= 0) {
+                switch(optcode) {
+                case DHCP6_OPTION_CLIENTID:
+                        assert_se(!found_clientid);
+                        found_clientid = true;
+
+                        assert_se(optlen == sizeof(test_duid));
+                        memcpy(&test_duid, optval, sizeof(test_duid));
+
+                        break;
+
+                case DHCP6_OPTION_IA_NA:
+                        assert_not_reached("IA TA option must not be present");
+
+                        break;
+
+                case DHCP6_OPTION_SERVERID:
+                        assert_not_reached("Server ID option must not be present");
+
+                        break;
+
+                case DHCP6_OPTION_ELAPSED_TIME:
+                        assert_se(!found_elapsed_time);
+                        found_elapsed_time = true;
+
+                        assert_se(optlen == 2);
+
+                        break;
+                }
+        }
+
+        assert_se(r == -ENOMSG);
+        assert_se(found_clientid && found_elapsed_time);
+
+        assert_se(sd_dhcp6_lease_get_first_address(lease, &addr, &lt_pref,
+                                                   &lt_valid) == -ENOMSG);
+
+        assert_se(sd_dhcp6_lease_get_next_address(lease, &addr, &lt_pref,
+                                                  &lt_valid) == -ENOMSG);
 
         return 0;
 }
@@ -361,26 +616,36 @@ int dhcp6_network_send_udp_socket(int s, struct in6_addr *server_address,
 
         assert_se(message->transaction_id & 0x00ffffff);
 
-        verify_solicit(message, option, len);
+        if (test_client_message_num == 0) {
+                test_client_verify_information_request(message, option, len);
+                test_client_send_reply(message);
+                test_client_message_num++;
+        } else if (test_client_message_num == 1) {
+                test_client_verify_solicit(message, option, len);
+                test_client_send_advertise(message);
+                test_client_message_num++;
+        } else if (test_client_message_num == 2) {
+                test_client_verify_request(message, option, len);
+                test_client_send_reply(message);
+                test_client_message_num++;
+        }
 
         return len;
 }
 
-static void test_client_solicit_cb(sd_dhcp6_client *client, int event,
-                                   void *userdata) {
-        sd_event *e = userdata;
-
-        assert_se(e);
+int dhcp6_network_bind_udp_socket(int index, struct in6_addr *local_address) {
+        assert_se(index == test_index);
 
-        if (verbose)
-                printf("  got DHCPv6 event %d\n", event);
+        if (socketpair(AF_UNIX, SOCK_STREAM, 0, test_dhcp_fd) < 0)
+                return -errno;
 
-        sd_event_exit(e, 0);
+        return test_dhcp_fd[0];
 }
 
 static int test_client_solicit(sd_event *e) {
         sd_dhcp6_client *client;
-        usec_t time_now = now(CLOCK_MONOTONIC);
+        usec_t time_now = now(clock_boottime_or_monotonic());
+        bool val = true;
 
         if (verbose)
                 printf("* %s\n", __FUNCTION__);
@@ -391,17 +656,23 @@ static int test_client_solicit(sd_event *e) {
         assert_se(sd_dhcp6_client_attach_event(client, e, 0) >= 0);
 
         assert_se(sd_dhcp6_client_set_index(client, test_index) == 0);
-        assert_se(sd_dhcp6_client_set_mac(client, &mac_addr) >= 0);
+        assert_se(sd_dhcp6_client_set_mac(client, (const uint8_t *) &mac_addr,
+                                          sizeof (mac_addr),
+                                          ARPHRD_ETHER) >= 0);
+
+        assert_se(sd_dhcp6_client_get_information_request(client, &val) >= 0);
+        assert_se(val == false);
+        assert_se(sd_dhcp6_client_set_information_request(client, true) >= 0);
+        assert_se(sd_dhcp6_client_get_information_request(client, &val) >= 0);
+        assert_se(val == true);
 
         assert_se(sd_dhcp6_client_set_callback(client,
-                                               test_client_solicit_cb, e) >= 0);
+                                               test_client_information_cb, e) >= 0);
 
-        assert_se(sd_event_add_time(e, &hangcheck, CLOCK_MONOTONIC,
+        assert_se(sd_event_add_time(e, &hangcheck, clock_boottime_or_monotonic(),
                                     time_now + 2 * USEC_PER_SEC, 0,
                                     test_hangcheck, NULL) >= 0);
 
-        e_solicit = e;
-
         assert_se(sd_dhcp6_client_start(client) >= 0);
 
         sd_event_loop(e);