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test-dhcp-client: add test for bootp clients
Verify that BOOTP replies are successfully handled by the sd-dhcp-client when configured for BOOTP.
This commit is contained in:
Colin Foster
Avram Dorfman
parent
83cd170172
commit
a40038c28a
@ -35,6 +35,14 @@ static struct hw_addr_data hw_addr = {
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};
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typedef int (*test_callback_recv_t)(size_t size, DHCPMessage *dhcp);
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struct bootp_addr_data {
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uint8_t *offer_buf;
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int offer_len;
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int netmask_offset;
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int ip_offset;
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};
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struct bootp_addr_data *bootp_test_context;
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static bool verbose = true;
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static int test_fd[2];
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static test_callback_recv_t callback_recv;
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@ -532,6 +540,204 @@ static void test_addr_acq(sd_event *e) {
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xid = 0;
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}
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static uint8_t test_addr_bootp_reply[] = {
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0x45, 0x00, 0x01, 0x48, 0x00, 0x00, 0x40, 0x00,
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0xff, 0x11, 0x70, 0xa3, 0x0a, 0x00, 0x00, 0x02,
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0xff, 0xff, 0xff, 0xff, 0x00, 0x43, 0x00, 0x44,
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0x01, 0x2c, 0x2b, 0x91, 0x02, 0x01, 0x06, 0x00,
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0x69, 0xd3, 0x79, 0x11, 0x17, 0x00, 0x80, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x0a, 0x46, 0x00, 0x02,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x50, 0x2d, 0xf4, 0x1f, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x63, 0x82, 0x53, 0x63, 0x01, 0x04, 0xff, 0x00,
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0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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};
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static uint8_t test_addr_bootp_reply_bootpd[] = {
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0x45, 0x00, 0x01, 0x48, 0xbe, 0xad, 0x40, 0x00,
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0x40, 0x11, 0x73, 0x43, 0xc0, 0xa8, 0x43, 0x31,
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0xc0, 0xa8, 0x43, 0x32, 0x00, 0x43, 0x00, 0x44,
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0x01, 0x34, 0x08, 0xfa, 0x02, 0x01, 0x06, 0x00,
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0x82, 0x57, 0xda, 0xf1, 0x00, 0x01, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0xc0, 0xa8, 0x43, 0x32,
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0xc0, 0xa8, 0x43, 0x31, 0x00, 0x00, 0x00, 0x00,
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0xc2, 0x3e, 0xa5, 0x53, 0x57, 0x72, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x64, 0x65, 0x62, 0x69, 0x61, 0x6e, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x63, 0x82, 0x53, 0x63, 0x01, 0x04, 0xff, 0xff,
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0xff, 0xf0, 0x03, 0x04, 0xc0, 0xa8, 0x43, 0x31,
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0x06, 0x04, 0x0a, 0x00, 0x01, 0x01, 0x0c, 0x15,
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0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x2d, 0x64,
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0x65, 0x66, 0x61, 0x75, 0x6c, 0x74, 0x2d, 0x74,
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0x72, 0x69, 0x78, 0x69, 0x65, 0xff, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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};
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static struct bootp_addr_data bootp_addr_data[] = {
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{
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.offer_buf = test_addr_bootp_reply,
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.offer_len = sizeof(test_addr_bootp_reply),
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.netmask_offset = 270,
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.ip_offset = 44,
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},
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{
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.offer_buf = test_addr_bootp_reply_bootpd,
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.offer_len = sizeof(test_addr_bootp_reply_bootpd),
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.netmask_offset = 270,
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.ip_offset = 44,
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},
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};
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static int test_bootp_acquired(sd_dhcp_client *client, int event,
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void *userdata) {
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sd_event *e = userdata;
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sd_dhcp_lease *lease;
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struct in_addr addr;
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assert_se(client);
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assert_se(IN_SET(event, SD_DHCP_CLIENT_EVENT_IP_ACQUIRE, SD_DHCP_CLIENT_EVENT_SELECTING));
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assert_se(sd_dhcp_client_get_lease(client, &lease) >= 0);
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assert_se(lease);
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assert_se(sd_dhcp_lease_get_address(lease, &addr) >= 0);
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assert_se(memcmp(&addr.s_addr, &bootp_test_context->offer_buf[bootp_test_context->ip_offset],
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sizeof(addr.s_addr)) == 0);
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assert_se(sd_dhcp_lease_get_netmask(lease, &addr) >= 0);
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assert_se(memcmp(&addr.s_addr, &bootp_test_context->offer_buf[bootp_test_context->netmask_offset],
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sizeof(addr.s_addr)) == 0);
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if (verbose)
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log_info(" BOOTP address acquired");
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sd_event_exit(e, 0);
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return 0;
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}
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static int test_bootp_recv_request(size_t size, DHCPMessage *request) {
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uint16_t udp_check = 0;
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int res;
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xid = request->xid;
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if (verbose)
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log_info(" recv BOOTP Request 0x%08x", be32toh(xid));
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callback_recv = NULL;
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memcpy(&bootp_test_context->offer_buf[26], &udp_check, sizeof(udp_check));
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memcpy(&bootp_test_context->offer_buf[32], &xid, sizeof(xid));
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memcpy(&bootp_test_context->offer_buf[56], hw_addr.bytes, hw_addr.length);
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res = write(test_fd[1], bootp_test_context->offer_buf,
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bootp_test_context->offer_len);
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assert_se(res == bootp_test_context->offer_len);
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if (verbose)
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log_info(" sent BOOTP Reply");
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return 0;
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};
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static void test_acquire_bootp(sd_event *e) {
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sd_dhcp_client *client;
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int res, r;
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if (verbose)
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log_info("* %s", __func__);
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r = sd_dhcp_client_new(&client, false);
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assert_se(r >= 0);
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assert_se(client);
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r = sd_dhcp_client_attach_event(client, e, 0);
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assert_se(r >= 0);
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r = sd_dhcp_client_set_bootp(client, true);
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assert_se(r >= 0);
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assert_se(sd_dhcp_client_set_ifindex(client, 42) >= 0);
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assert_se(sd_dhcp_client_set_mac(client, hw_addr.bytes, bcast_addr.bytes, hw_addr.length, ARPHRD_ETHER) >= 0);
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assert_se(sd_dhcp_client_set_callback(client, test_bootp_acquired, e) >= 0);
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callback_recv = test_bootp_recv_request;
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assert_se(sd_event_add_time_relative(e, NULL, CLOCK_BOOTTIME,
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30 * USEC_PER_SEC, 0,
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NULL, INT_TO_PTR(-ETIMEDOUT)) >= 0);
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res = sd_dhcp_client_start(client);
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assert_se(IN_SET(res, 0, -EINPROGRESS));
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assert_se(sd_event_loop(e) >= 0);
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assert_se(sd_dhcp_client_set_callback(client, NULL, NULL) >= 0);
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assert_se(sd_dhcp_client_stop(client) >= 0);
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sd_dhcp_client_unref(client);
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test_fd[1] = safe_close(test_fd[1]);
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callback_recv = NULL;
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xid = 0;
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}
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int main(int argc, char *argv[]) {
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_cleanup_(sd_event_unrefp) sd_event *e;
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@ -549,6 +755,13 @@ int main(int argc, char *argv[]) {
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test_discover_message(e);
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test_addr_acq(e);
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for (size_t i = 0; i < sizeof(bootp_addr_data) / sizeof(bootp_addr_data[0]); i++) {
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sd_event_unref(e);
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assert_se(sd_event_new(&e) >= 0);
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bootp_test_context = &bootp_addr_data[i];
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test_acquire_bootp(e);
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}
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#if HAVE_VALGRIND_VALGRIND_H
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/* Make sure the async_close thread has finished.
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* valgrind would report some of the phread_* structures
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