/*********************************************************************************************************
** 函数名称: netif_remove_hook
** 功能描述: 删除网络接口回调函数. (网络上下文中调用)
** 输 入 : pvNetif 网络接口
** 输 出 :
** 全局变量:
** 调用模块:
*********************************************************************************************************/
VOID netif_remove_hook (PVOID pvNetif)
{
struct netif *netif = (struct netif *)pvNetif;
INT iNum = (INT)netif->num;
rt_netif_remove_hook(netif); /* 更新路由表有效标志 */
if (iNum < __LW_NETIF_MAX_NUM) {
LWIP_NETIF_LOCK(); /* 进入临界区 */
_G_pnetifArray[iNum] = LW_NULL;
_G_uiNetifNum--;
LWIP_NETIF_UNLOCK(); /* 退出临界区 */
}
#if LW_CFG_NET_NPF_EN > 0
__npfNetifRemoveHook(netif);
#endif /* LW_CFG_NET_NPF_EN > 0 */
#if LW_CFG_LWIP_DHCP > 0
if (netif->dhcp) {
dhcp_stop(netif); /* 关闭 DHCP 回收 UDP 控制块 */
dhcp_cleanup(netif); /* 回收 DHCP 内存 */
}
#endif /* LW_CFG_LWIP_DHCP > 0 */
#if LW_CFG_LWIP_AUTOIP > 0
if (netif->autoip) {
mem_free(netif->autoip); /* 回收 AUTOIP 内存 */
netif->autoip = LW_NULL;
}
#endif /* LW_CFG_LWIP_AUTOIP > 0 */
}
void cbIP_removePanInterface(void)
{
LWIP_PRINT("Interface down\n");
dhcp_stop(&panIf.hInterface);
netif_remove(&panIf.hInterface);
dhcp_cleanup(&panIf.hInterface);
}
END_TEST
START_TEST(test_dhcp_invalid_overload)
{
u8_t dhcp_offer_invalid_overload[] = {
0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* To unit */
0x00, 0x0F, 0xEE, 0x30, 0xAB, 0x22, /* From Remote host */
0x08, 0x00, /* Protocol: IP */
0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x80, 0x11, 0x36, 0xcc, 0xc3, 0xaa, 0xbd, 0xab, 0xc3, 0xaa, 0xbd, 0xc8, /* IP header */
0x00, 0x43, 0x00, 0x44, 0x01, 0x34, 0x00, 0x00, /* UDP header */
0x02, /* Type == Boot reply */
0x01, 0x06, /* Hw Ethernet, 6 bytes addrlen */
0x00, /* 0 hops */
0xAA, 0xAA, 0xAA, 0xAA, /* Transaction id, will be overwritten */
0x00, 0x00, /* 0 seconds elapsed */
0x00, 0x00, /* Flags (unicast) */
0x00, 0x00, 0x00, 0x00, /* Client ip */
0xc3, 0xaa, 0xbd, 0xc8, /* Your IP */
0xc3, 0xaa, 0xbd, 0xab, /* DHCP server ip */
0x00, 0x00, 0x00, 0x00, /* relay agent */
0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* MAC addr + padding */
/* Empty server name */
0x34, 0x01, 0x02, 0xff, /* Overload: SNAME + END */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* Empty boot file name */
0x34, 0x01, 0x01, 0xff, /* Overload FILE + END */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x63, 0x82, 0x53, 0x63, /* Magic cookie */
0x35, 0x01, 0x02, /* Message type: Offer */
0x36, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Server identifier (IP) */
0x33, 0x04, 0x00, 0x00, 0x00, 0x78, /* Lease time 2 minutes */
0x03, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Router IP */
0x01, 0x04, 0xff, 0xff, 0xff, 0x00, /* Subnet mask */
0x34, 0x01, 0x03, /* Overload: FILE + SNAME */
0xff, /* End option */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Padding */
};
ip4_addr_t addr;
ip4_addr_t netmask;
ip4_addr_t gw;
u32_t xid;
LWIP_UNUSED_ARG(_i);
tcase = TEST_LWIP_DHCP_INVALID_OVERLOAD;
setdebug(0);
IP4_ADDR(&addr, 0, 0, 0, 0);
IP4_ADDR(&netmask, 0, 0, 0, 0);
IP4_ADDR(&gw, 0, 0, 0, 0);
netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input);
netif_set_up(&net_test);
dhcp_start(&net_test);
fail_unless(txpacket == 1); /* DHCP discover sent */
xid = htonl(netif_dhcp_data(&net_test)->xid);
memcpy(&dhcp_offer_invalid_overload[46], &xid, 4); /* insert correct transaction id */
dhcp_offer_invalid_overload[311] = 3;
send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer_invalid_overload));
/* IP addresses should be zero */
fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t)));
fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t)));
fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t)));
fail_unless(txpacket == 1); /* Nothing more sent */
dhcp_offer_invalid_overload[311] = 2;
send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer_invalid_overload));
/* IP addresses should be zero */
fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t)));
fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t)));
fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t)));
fail_unless(txpacket == 1); /* Nothing more sent */
dhcp_offer_invalid_overload[311] = 1;
send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer_invalid_overload));
/* IP addresses should be zero */
fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t)));
fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t)));
fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t)));
fail_unless(txpacket == 1); /* Nothing more sent */
dhcp_offer_invalid_overload[311] = 0;
send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer));
fail_unless(netif_dhcp_data(&net_test)->state == DHCP_STATE_REQUESTING);
fail_unless(txpacket == 2); /* No more sent */
xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */
tcase = TEST_NONE;
dhcp_stop(&net_test);
dhcp_cleanup(&net_test);
netif_remove(&net_test);
}
END_TEST
START_TEST(test_dhcp_nak_no_endmarker)
{
ip4_addr_t addr;
ip4_addr_t netmask;
ip4_addr_t gw;
u8_t dhcp_nack_no_endmarker[] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x54, 0x75,
0xd0, 0x26, 0xd0, 0x0d, 0x08, 0x00, 0x45, 0x00,
0x01, 0x15, 0x38, 0x86, 0x00, 0x00, 0xff, 0x11,
0xc0, 0xa8, 0xc0, 0xa8, 0x01, 0x01, 0xff, 0xff,
0xff, 0xff, 0x00, 0x43, 0x00, 0x44, 0x01, 0x01,
0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x7a, 0xcb,
0xba, 0xf2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x23,
0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82,
0x53, 0x63, 0x35, 0x01, 0x06, 0x36, 0x04, 0xc0,
0xa8, 0x01, 0x01, 0x31, 0xef, 0xad, 0x72, 0x31,
0x43, 0x4e, 0x44, 0x30, 0x32, 0x35, 0x30, 0x43,
0x52, 0x47, 0x44, 0x38, 0x35, 0x36, 0x3c, 0x08,
0x4d, 0x53, 0x46, 0x54, 0x20, 0x35, 0x2e, 0x30,
0x37, 0x0d, 0x01, 0x0f, 0x03, 0x06, 0x2c, 0x2e,
0x2f, 0x1f, 0x21, 0x79, 0xf9, 0x2b, 0xfc, 0xff,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe2, 0x71,
0xf3, 0x5b, 0xe2, 0x71, 0x2e, 0x01, 0x08, 0x03,
0x04, 0xc0, 0xa8, 0x01, 0x01, 0xff, 0xeb, 0x1e,
0x44, 0xec, 0xeb, 0x1e, 0x30, 0x37, 0x0c, 0x01,
0x0f, 0x03, 0x06, 0x2c, 0x2e, 0x2f, 0x1f, 0x21,
0x79, 0xf9, 0x2b, 0xff, 0x25, 0xc0, 0x09, 0xd6,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
u32_t xid;
LWIP_UNUSED_ARG(_i);
tcase = TEST_LWIP_DHCP_NAK_NO_ENDMARKER;
setdebug(0);
IP4_ADDR(&addr, 0, 0, 0, 0);
IP4_ADDR(&netmask, 0, 0, 0, 0);
IP4_ADDR(&gw, 0, 0, 0, 0);
netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input);
netif_set_up(&net_test);
dhcp_start(&net_test);
fail_unless(txpacket == 1); /* DHCP discover sent */
xid = netif_dhcp_data(&net_test)->xid; /* Write bad xid, not using htonl! */
memcpy(&dhcp_offer[46], &xid, 4);
send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer));
/* IP addresses should be zero */
fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t)));
fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t)));
fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t)));
fail_unless(txpacket == 1); /* Nothing more sent */
xid = htonl(netif_dhcp_data(&net_test)->xid);
memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */
send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer));
fail_unless(netif_dhcp_data(&net_test)->state == DHCP_STATE_REQUESTING);
fail_unless(txpacket == 2); /* No more sent */
xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */
memcpy(&dhcp_nack_no_endmarker[46], &xid, 4); /* insert transaction id */
send_pkt(&net_test, dhcp_nack_no_endmarker, sizeof(dhcp_nack_no_endmarker));
/* NAK should put us in another state for a while, no other way detecting it */
fail_unless(netif_dhcp_data(&net_test)->state != DHCP_STATE_REQUESTING);
tcase = TEST_NONE;
dhcp_stop(&net_test);
dhcp_cleanup(&net_test);
netif_remove(&net_test);
}
END_TEST
/*
* Test case based on captured data where
* replies are sent from a different IP than the
* one the client unicasted to.
*/
START_TEST(test_dhcp_relayed)
{
u8_t relay_offer[] = {
0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d,
0x00, 0x22, 0x93, 0x5a, 0xf7, 0x60,
0x08, 0x00, 0x45, 0x00,
0x01, 0x38, 0xfd, 0x53, 0x00, 0x00, 0x40, 0x11,
0x78, 0x46, 0x4f, 0x8a, 0x32, 0x02, 0x4f, 0x8a,
0x33, 0x05, 0x00, 0x43, 0x00, 0x44, 0x01, 0x24,
0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x51, 0x35,
0xb6, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00,
0x00, 0x00, 0x0a, 0xb5, 0x04, 0x01, 0x00, 0x23,
0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82,
0x53, 0x63, 0x01, 0x04, 0xff, 0xff, 0xfe, 0x00,
0x03, 0x04, 0x4f, 0x8a, 0x32, 0x01, 0x06, 0x08,
0x4f, 0x8a, 0x00, 0xb4, 0x55, 0x08, 0x1f, 0xd1,
0x1c, 0x04, 0x4f, 0x8a, 0x33, 0xff, 0x33, 0x04,
0x00, 0x00, 0x54, 0x49, 0x35, 0x01, 0x02, 0x36,
0x04, 0x0a, 0xb5, 0x04, 0x01, 0xff
};
u8_t relay_ack1[] = {
0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x22,
0x93, 0x5a, 0xf7, 0x60, 0x08, 0x00, 0x45, 0x00,
0x01, 0x38, 0xfd, 0x55, 0x00, 0x00, 0x40, 0x11,
0x78, 0x44, 0x4f, 0x8a, 0x32, 0x02, 0x4f, 0x8a,
0x33, 0x05, 0x00, 0x43, 0x00, 0x44, 0x01, 0x24,
0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x51, 0x35,
0xb6, 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00,
0x00, 0x00, 0x0a, 0xb5, 0x04, 0x01, 0x00, 0x23,
0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82,
0x53, 0x63, 0x01, 0x04, 0xff, 0xff, 0xfe, 0x00,
0x03, 0x04, 0x4f, 0x8a, 0x32, 0x01, 0x06, 0x08,
0x4f, 0x8a, 0x00, 0xb4, 0x55, 0x08, 0x1f, 0xd1,
0x1c, 0x04, 0x4f, 0x8a, 0x33, 0xff, 0x33, 0x04,
0x00, 0x00, 0x54, 0x49, 0x35, 0x01, 0x05, 0x36,
0x04, 0x0a, 0xb5, 0x04, 0x01, 0xff
};
u8_t relay_ack2[] = {
0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d,
0x00, 0x22, 0x93, 0x5a, 0xf7, 0x60,
0x08, 0x00, 0x45, 0x00,
0x01, 0x38, 0xfa, 0x18, 0x00, 0x00, 0x40, 0x11,
0x7b, 0x81, 0x4f, 0x8a, 0x32, 0x02, 0x4f, 0x8a,
0x33, 0x05, 0x00, 0x43, 0x00, 0x44, 0x01, 0x24,
0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x49, 0x8b,
0x6e, 0xab, 0x00, 0x00, 0x00, 0x00, 0x4f, 0x8a,
0x33, 0x05, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00,
0x00, 0x00, 0x0a, 0xb5, 0x04, 0x01, 0x00, 0x23,
0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82,
0x53, 0x63, 0x01, 0x04, 0xff, 0xff, 0xfe, 0x00,
0x03, 0x04, 0x4f, 0x8a, 0x32, 0x01, 0x06, 0x08,
0x4f, 0x8a, 0x00, 0xb4, 0x55, 0x08, 0x1f, 0xd1,
0x1c, 0x04, 0x4f, 0x8a, 0x33, 0xff, 0x33, 0x04,
0x00, 0x00, 0x54, 0x60, 0x35, 0x01, 0x05, 0x36,
0x04, 0x0a, 0xb5, 0x04, 0x01, 0xff };
const u8_t arp_resp[] = {
0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* DEST */
0x00, 0x22, 0x93, 0x5a, 0xf7, 0x60, /* SRC */
0x08, 0x06, /* Type: ARP */
0x00, 0x01, /* HW: Ethernet */
0x08, 0x00, /* PROTO: IP */
0x06, /* HW size */
0x04, /* PROTO size */
0x00, 0x02, /* OPCODE: Reply */
0x12, 0x34, 0x56, 0x78, 0x9a, 0xab, /* Target MAC */
0x4f, 0x8a, 0x32, 0x01, /* Target IP */
0x00, 0x23, 0xc1, 0x00, 0x06, 0x50, /* src mac */
0x4f, 0x8a, 0x33, 0x05, /* src ip */
/* Padding follows.. */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00 };
ip4_addr_t addr;
ip4_addr_t netmask;
ip4_addr_t gw;
int i;
u32_t xid;
LWIP_UNUSED_ARG(_i);
tcase = TEST_LWIP_DHCP_RELAY;
setdebug(0);
IP4_ADDR(&addr, 0, 0, 0, 0);
IP4_ADDR(&netmask, 0, 0, 0, 0);
IP4_ADDR(&gw, 0, 0, 0, 0);
netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input);
netif_set_up(&net_test);
dhcp_start(&net_test);
fail_unless(txpacket == 1); /* DHCP discover sent */
/* IP addresses should be zero */
fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t)));
fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t)));
fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t)));
fail_unless(txpacket == 1); /* Nothing more sent */
xid = htonl(netif_dhcp_data(&net_test)->xid);
memcpy(&relay_offer[46], &xid, 4); /* insert correct transaction id */
send_pkt(&net_test, relay_offer, sizeof(relay_offer));
/* request sent? */
fail_unless(txpacket == 2, "txpkt = %d, should be 2", txpacket);
xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */
memcpy(&relay_ack1[46], &xid, 4); /* insert transaction id */
send_pkt(&net_test, relay_ack1, sizeof(relay_ack1));
for (i = 0; i < 25; i++) {
tick_lwip();
}
fail_unless(txpacket == 5, "txpkt should be 5, is %d", txpacket); /* ARP requests sent */
/* Interface up */
fail_unless(netif_is_up(&net_test));
/* Now it should have taken the IP */
IP4_ADDR(&addr, 79, 138, 51, 5);
IP4_ADDR(&netmask, 255, 255, 254, 0);
IP4_ADDR(&gw, 79, 138, 50, 1);
fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t)));
fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t)));
fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t)));
fail_unless(txpacket == 5, "txpacket = %d", txpacket);
for (i = 0; i < 108000 - 25; i++) {
tick_lwip();
}
fail_unless(netif_is_up(&net_test));
fail_unless(txpacket == 6, "txpacket = %d", txpacket);
/* We need to send arp response here.. */
send_pkt(&net_test, arp_resp, sizeof(arp_resp));
fail_unless(txpacket == 7, "txpacket = %d", txpacket);
fail_unless(netif_is_up(&net_test));
xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */
memcpy(&relay_ack2[46], &xid, 4); /* insert transaction id */
send_pkt(&net_test, relay_ack2, sizeof(relay_ack2));
for (i = 0; i < 100000; i++) {
tick_lwip();
}
fail_unless(txpacket == 7, "txpacket = %d", txpacket);
tcase = TEST_NONE;
dhcp_stop(&net_test);
dhcp_cleanup(&net_test);
netif_remove(&net_test);
}
END_TEST
/*
* Test that IP address is not taken and NAK is sent if someone
* replies to ARP requests for the offered address.
*/
START_TEST(test_dhcp_nak)
{
ip4_addr_t addr;
ip4_addr_t netmask;
ip4_addr_t gw;
u32_t xid;
LWIP_UNUSED_ARG(_i);
tcase = TEST_LWIP_DHCP;
setdebug(0);
IP4_ADDR(&addr, 0, 0, 0, 0);
IP4_ADDR(&netmask, 0, 0, 0, 0);
IP4_ADDR(&gw, 0, 0, 0, 0);
netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input);
netif_set_up(&net_test);
dhcp_start(&net_test);
fail_unless(txpacket == 1); /* DHCP discover sent */
xid = netif_dhcp_data(&net_test)->xid; /* Write bad xid, not using htonl! */
memcpy(&dhcp_offer[46], &xid, 4);
send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer));
/* IP addresses should be zero */
fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t)));
fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t)));
fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t)));
fail_unless(txpacket == 1); /* Nothing more sent */
xid = htonl(netif_dhcp_data(&net_test)->xid);
memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */
send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer));
fail_unless(txpacket == 2); /* DHCP request sent */
xid = netif_dhcp_data(&net_test)->xid; /* Write bad xid, not using htonl! */
memcpy(&dhcp_ack[46], &xid, 4);
send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack));
fail_unless(txpacket == 2); /* No more sent */
xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */
memcpy(&dhcp_ack[46], &xid, 4); /* insert transaction id */
send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack));
fail_unless(txpacket == 3); /* ARP request sent */
tcase = TEST_LWIP_DHCP_NAK; /* Switch testcase */
/* Send arp reply, mark offered IP as taken */
send_pkt(&net_test, arpreply, sizeof(arpreply));
fail_unless(txpacket == 4); /* DHCP nak sent */
tcase = TEST_NONE;
dhcp_stop(&net_test);
dhcp_cleanup(&net_test);
netif_remove(&net_test);
}
