#include <stdbool.h>
#include <stdio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <net/ethernet.h>
+#include "socket-util.h"
#include "macro.h"
#include "sd-event.h"
#include "event-util.h"
+#include "virt.h"
#include "sd-dhcp6-client.h"
#include "dhcp6-protocol.h"
#include "dhcp6-internal.h"
+#include "dhcp6-lease-internal.h"
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 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;
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);
return 0;
}
+static uint8_t msg_advertise[198] = {
+ 0x02, 0x0f, 0xb4, 0xe5, 0x00, 0x01, 0x00, 0x0e,
+ 0x00, 0x01, 0x00, 0x01, 0x1a, 0x6b, 0xf3, 0x30,
+ 0x3c, 0x97, 0x0e, 0xcf, 0xa3, 0x7d, 0x00, 0x03,
+ 0x00, 0x5e, 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, 0x32, 0x00, 0x00,
+ 0x41, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x28,
+ 0x65, 0x73, 0x29, 0x20, 0x72, 0x65, 0x6e, 0x65,
+ 0x77, 0x65, 0x64, 0x2e, 0x20, 0x47, 0x72, 0x65,
+ 0x65, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x20, 0x66,
+ 0x72, 0x6f, 0x6d, 0x20, 0x70, 0x6c, 0x61, 0x6e,
+ 0x65, 0x74, 0x20, 0x45, 0x61, 0x72, 0x74, 0x68,
+ 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, 0x00,
+ 0x02, 0x00, 0x0e, 0x00, 0x01, 0x00, 0x01, 0x19,
+ 0x40, 0x5c, 0x53, 0x78, 0x2b, 0xcb, 0xb3, 0x6d,
+ 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);
+ uint16_t optcode;
+ size_t optlen, len = sizeof(msg_advertise) - sizeof(DHCP6Message);
+ be32_t val;
+ uint8_t preference = 255;
+ struct in6_addr addr;
+ uint32_t lt_pref, lt_valid;
+ int r;
+ bool opt_clientid = false;
+
+ if (verbose)
+ printf("* %s\n", __FUNCTION__);
+
+ assert_se(dhcp6_lease_new(&lease) >= 0);
+
+ assert_se(advertise->type == DHCP6_ADVERTISE);
+ assert_se((be32toh(advertise->transaction_id) & 0x00ffffff) ==
+ 0x0fb4e5);
+
+ while ((r = dhcp6_option_parse(&opt, &len, &optcode, &optlen,
+ &optval)) >= 0) {
+
+ switch(optcode) {
+ case DHCP6_OPTION_CLIENTID:
+ assert_se(optlen == 14);
+
+ opt_clientid = true;
+ break;
+
+ case DHCP6_OPTION_IA_NA:
+ assert_se(optlen == 94);
+ assert_se(!memcmp(optval, &msg_advertise[26], optlen));
+
+ val = htobe32(0x0ecfa37d);
+ assert_se(!memcmp(optval, &val, sizeof(val)));
+
+ 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) >= 0);
+
+ break;
+
+ case DHCP6_OPTION_SERVERID:
+ assert_se(optlen == 14);
+ assert_se(!memcmp(optval, &msg_advertise[179], optlen));
+
+ assert_se(dhcp6_lease_set_serverid(lease, optval,
+ optlen) >= 0);
+ break;
+
+ case DHCP6_OPTION_PREFERENCE:
+ assert_se(optlen == 1);
+ assert_se(!*optval);
+
+ assert_se(dhcp6_lease_set_preference(lease,
+ *optval) >= 0);
+ break;
+
+ case DHCP6_OPTION_ELAPSED_TIME:
+ assert_se(optlen == 2);
+
+ break;
+
+ default:
+ break;
+ }
+ }
+
+
+ assert_se(r == -ENOMSG);
+
+ assert_se(opt_clientid);
+
+ assert_se(sd_dhcp6_lease_get_first_address(lease, &addr, <_pref,
+ <_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, <_pref,
+ <_valid) == -ENOMSG);
+
+ assert_se(sd_dhcp6_lease_get_first_address(lease, &addr, <_pref,
+ <_valid) >= 0);
+ assert_se(!memcmp(&addr, &msg_advertise[42], sizeof(addr)));
+ assert_se(sd_dhcp6_lease_get_next_address(lease, &addr, <_pref,
+ <_valid) == -ENOMSG);
+ assert_se(sd_dhcp6_lease_get_next_address(lease, &addr, <_pref,
+ <_valid) == -ENOMSG);
+ assert_se(sd_dhcp6_lease_get_first_address(lease, &addr, <_pref,
+ <_valid) >= 0);
+ assert_se(!memcmp(&addr, &msg_advertise[42], sizeof(addr)));
+ assert_se(sd_dhcp6_lease_get_next_address(lease, &addr, <_pref,
+ <_valid) == -ENOMSG);
+
+ assert_se(dhcp6_lease_get_serverid(lease, &opt, &len) >= 0);
+ assert_se(len == 14);
+ assert_se(!memcmp(opt, &msg_advertise[179], len));
+
+ assert_se(dhcp6_lease_get_preference(lease, &preference) >= 0);
+ assert_se(preference == 0);
+
+ return 0;
+}
+
+static int test_hangcheck(sd_event_source *s, uint64_t usec, void *userdata) {
+ assert_not_reached("Test case should have completed in 2 seconds");
+
+ return 0;
+}
+
+int detect_vm(const char **id) {
+ return 1;
+}
+
+int detect_container(const char **id) {
+ return 1;
+}
+
+int detect_virtualization(const char **id) {
+ return 1;
+}
+
+static void test_client_solicit_cb(sd_dhcp6_client *client, int event,
+ void *userdata) {
+ sd_event *e = userdata;
+
+ assert_se(e);
+ assert_se(event == DHCP6_EVENT_IP_ACQUIRE);
+
+ 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 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, found_serverid = false,
+ found_elapsed_time = false;
+ int r;
+ struct in6_addr addr;
+ be32_t val;
+ uint32_t lt_pref, lt_valid;
+
+ assert_se(request->type == DHCP6_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(!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, <_pref,
+ <_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, <_pref,
+ <_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;
+
+ case DHCP6_OPTION_IA_NA:
+ assert_se(!found_iana);
+ found_iana = true;
+
+ 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 && 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);
+
+ 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, <_pref,
+ <_valid) == -ENOMSG);
+
+ assert_se(sd_dhcp6_lease_get_next_address(lease, &addr, <_pref,
+ <_valid) == -ENOMSG);
+
+ return 0;
+}
+
+int dhcp6_network_send_udp_socket(int s, struct in6_addr *server_address,
+ const void *packet, size_t len) {
+ struct in6_addr mcast =
+ IN6ADDR_ALL_DHCP6_RELAY_AGENTS_AND_SERVERS_INIT;
+ DHCP6Message *message;
+ uint8_t *option;
+
+ assert_se(s == test_dhcp_fd[0]);
+ assert_se(server_address);
+ assert_se(packet);
+ assert_se(len > sizeof(DHCP6Message) + 4);
+
+ assert_se(IN6_ARE_ADDR_EQUAL(server_address, &mcast));
+
+ message = (DHCP6Message *)packet;
+ option = (uint8_t *)(message + 1);
+ len -= sizeof(DHCP6Message);
+
+ assert_se(message->transaction_id & 0x00ffffff);
+
+ 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;
+}
+
+int dhcp6_network_bind_udp_socket(int index, struct in6_addr *local_address) {
+ assert_se(index == test_index);
+
+ if (socketpair(AF_UNIX, SOCK_STREAM, 0, test_dhcp_fd) < 0)
+ return -errno;
+
+ return test_dhcp_fd[0];
+}
+
+static int test_client_solicit(sd_event *e) {
+ sd_dhcp6_client *client;
+ usec_t time_now = now(clock_boottime_or_monotonic());
+ bool val = true;
+
+ if (verbose)
+ printf("* %s\n", __FUNCTION__);
+
+ assert_se(sd_dhcp6_client_new(&client) >= 0);
+ assert_se(client);
+
+ 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, (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_information_cb, e) >= 0);
+
+ assert_se(sd_event_add_time(e, &hangcheck, clock_boottime_or_monotonic(),
+ time_now + 2 * USEC_PER_SEC, 0,
+ test_hangcheck, NULL) >= 0);
+
+ assert_se(sd_dhcp6_client_start(client) >= 0);
+
+ sd_event_loop(e);
+
+ hangcheck = sd_event_source_unref(hangcheck);
+
+ assert_se(!sd_dhcp6_client_unref(client));
+
+ test_dhcp_fd[1] = safe_close(test_dhcp_fd[1]);
+
+ return 0;
+}
+
int main(int argc, char *argv[]) {
_cleanup_event_unref_ sd_event *e;
test_client_basic(e);
test_option(e);
+ test_advertise_option(e);
+ test_client_solicit(e);
assert_se(!sd_event_unref(e));
~ianmdlvl / elogind.git / blobdiff