mirror of
https://github.com/lwip-tcpip/lwip.git
synced 2024-11-16 23:15:37 +00:00
ea111c511e
Function name no longer needs to be fed separately when adding tests. Also fix collision of non-static net_test variables in dhcp and netif tests.
1104 lines
40 KiB
C
1104 lines
40 KiB
C
#include "test_dhcp.h"
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#include "lwip/netif.h"
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#include "lwip/dhcp.h"
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#include "lwip/prot/dhcp.h"
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#include "lwip/etharp.h"
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#include "lwip/inet.h"
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#include "netif/ethernet.h"
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#if LWIP_ACD
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#if LWIP_DHCP_DOES_ACD_CHECK
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#define DHCP_TEST_NUM_ARP_FRAMES 5
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#else
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#define DHCP_TEST_NUM_ARP_FRAMES 0
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#endif
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#else
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#define DHCP_TEST_NUM_ARP_FRAMES 1
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#endif
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static struct netif net_test;
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static const u8_t broadcast[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
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static const u8_t magic_cookie[] = { 0x63, 0x82, 0x53, 0x63 };
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static u8_t dhcp_offer[] = {
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0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* To unit */
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0x00, 0x0F, 0xEE, 0x30, 0xAB, 0x22, /* From Remote host */
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0x08, 0x00, /* Protocol: IP */
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0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x80, 0x11, 0x36, 0xcc, 0xc3, 0xaa, 0xbd, 0xab, 0xc3, 0xaa, 0xbd, 0xc8, /* IP header */
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0x00, 0x43, 0x00, 0x44, 0x01, 0x34, 0x00, 0x00, /* UDP header */
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0x02, /* Type == Boot reply */
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0x01, 0x06, /* Hw Ethernet, 6 bytes addrlen */
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0x00, /* 0 hops */
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0xAA, 0xAA, 0xAA, 0xAA, /* Transaction id, will be overwritten */
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0x00, 0x00, /* 0 seconds elapsed */
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0x00, 0x00, /* Flags (unicast) */
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0x00, 0x00, 0x00, 0x00, /* Client ip */
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0xc3, 0xaa, 0xbd, 0xc8, /* Your IP */
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0xc3, 0xaa, 0xbd, 0xab, /* DHCP server ip */
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0x00, 0x00, 0x00, 0x00, /* relay agent */
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0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* MAC addr + padding */
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/* Empty server name and boot file name */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x63, 0x82, 0x53, 0x63, /* Magic cookie */
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0x35, 0x01, 0x02, /* Message type: Offer */
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0x36, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Server identifier (IP) */
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0x33, 0x04, 0x00, 0x00, 0x00, 0x78, /* Lease time 2 minutes */
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0x03, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Router IP */
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0x01, 0x04, 0xff, 0xff, 0xff, 0x00, /* Subnet mask */
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0xff, /* End option */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Padding */
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};
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static u8_t dhcp_ack[] = {
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0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* To unit */
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0x00, 0x0f, 0xEE, 0x30, 0xAB, 0x22, /* From remote host */
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0x08, 0x00, /* Proto IP */
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0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x80, 0x11, 0x36, 0xcc, 0xc3, 0xaa, 0xbd, 0xab, 0xc3, 0xaa, 0xbd, 0xc8, /* IP header */
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0x00, 0x43, 0x00, 0x44, 0x01, 0x34, 0x00, 0x00, /* UDP header */
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0x02, /* Bootp reply */
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0x01, 0x06, /* Hw type Eth, len 6 */
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0x00, /* 0 hops */
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0xAA, 0xAA, 0xAA, 0xAA,
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0x00, 0x00, /* 0 seconds elapsed */
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0x00, 0x00, /* Flags (unicast) */
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0x00, 0x00, 0x00, 0x00, /* Client IP */
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0xc3, 0xaa, 0xbd, 0xc8, /* Your IP */
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0xc3, 0xaa, 0xbd, 0xab, /* DHCP server IP */
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0x00, 0x00, 0x00, 0x00, /* Relay agent */
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0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Macaddr + padding */
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/* Empty server name and boot file name */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x63, 0x82, 0x53, 0x63, /* Magic cookie */
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0x35, 0x01, 0x05, /* Dhcp message type ack */
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0x36, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server identifier */
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0x33, 0x04, 0x00, 0x00, 0x00, 0x78, /* Lease time 2 minutes */
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0x03, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Router IP */
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0x01, 0x04, 0xff, 0xff, 0xff, 0x00, /* Netmask */
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0xff, /* End marker */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Padding */
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};
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static const u8_t arpreply[] = {
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0x00, 0x23, 0xC1, 0xDE, 0xD0, 0x0D, /* dst mac */
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0x00, 0x32, 0x44, 0x20, 0x01, 0x02, /* src mac */
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0x08, 0x06, /* proto arp */
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0x00, 0x01, /* hw eth */
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0x08, 0x00, /* proto ip */
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0x06, /* hw addr len 6 */
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0x04, /* proto addr len 4 */
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0x00, 0x02, /* arp reply */
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0x00, 0x32, 0x44, 0x20, 0x01, 0x02, /* sender mac */
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0xc3, 0xaa, 0xbd, 0xc8, /* sender ip */
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0x00, 0x23, 0xC1, 0xDE, 0xD0, 0x0D, /* target mac */
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0x00, 0x00, 0x00, 0x00, /* target ip */
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};
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static int txpacket;
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static enum tcase {
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TEST_LWIP_DHCP,
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TEST_LWIP_DHCP_NAK,
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TEST_LWIP_DHCP_RELAY,
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TEST_LWIP_DHCP_NAK_NO_ENDMARKER,
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TEST_LWIP_DHCP_INVALID_OVERLOAD,
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TEST_NONE
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} tcase;
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static int debug = 0;
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static void setdebug(int a) {debug = a;}
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static int tick = 0;
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static void tick_lwip(void)
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{
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tick++;
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#if LWIP_DHCP_DOES_ACD_CHECK
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acd_tmr();
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#endif
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if (tick % 5 == 0) {
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dhcp_fine_tmr();
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}
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if (tick % 600 == 0) {
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dhcp_coarse_tmr();
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}
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}
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static void send_pkt(struct netif *netif, const u8_t *data, size_t len)
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{
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struct pbuf *p, *q;
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LWIP_ASSERT("pkt too big", len <= 0xFFFF);
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p = pbuf_alloc(PBUF_RAW, (u16_t)len, PBUF_POOL);
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if (debug) {
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/* Dump data */
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u32_t i;
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printf("RX data (len %d)", p->tot_len);
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for (i = 0; i < len; i++) {
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printf(" %02X", data[i]);
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}
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printf("\n");
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}
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fail_unless(p != NULL);
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for(q = p; q != NULL; q = q->next) {
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memcpy(q->payload, data, q->len);
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data += q->len;
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}
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netif->input(p, netif);
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}
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static err_t lwip_tx_func(struct netif *netif, struct pbuf *p);
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static err_t testif_init(struct netif *netif)
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{
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netif->name[0] = 'c';
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netif->name[1] = 'h';
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netif->output = etharp_output;
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netif->linkoutput = lwip_tx_func;
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netif->mtu = 1500;
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netif->hwaddr_len = 6;
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netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
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netif->hwaddr[0] = 0x00;
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netif->hwaddr[1] = 0x23;
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netif->hwaddr[2] = 0xC1;
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netif->hwaddr[3] = 0xDE;
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netif->hwaddr[4] = 0xD0;
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netif->hwaddr[5] = 0x0D;
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return ERR_OK;
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}
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static void dhcp_setup(void)
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{
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txpacket = 0;
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lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT));
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}
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static void dhcp_teardown(void)
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{
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lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT));
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}
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static void check_pkt(struct pbuf *p, u32_t pos, const u8_t *mem, u32_t len)
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{
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u8_t *data;
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fail_if((pos + len) > p->tot_len);
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while (pos > p->len && p->next) {
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pos -= p->len;
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p = p->next;
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}
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fail_if(p == NULL);
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fail_unless(pos + len <= p->len); /* All data we seek within same pbuf */
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data = (u8_t*)p->payload;
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fail_if(memcmp(&data[pos], mem, len), "data at pos %d, len %d in packet %d did not match", pos, len, txpacket);
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}
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static void check_pkt_fuzzy(struct pbuf *p, u32_t startpos, const u8_t *mem, u32_t len)
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{
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int found;
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u32_t i;
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u8_t *data;
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fail_if((startpos + len) > p->tot_len);
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while (startpos > p->len && p->next) {
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startpos -= p->len;
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p = p->next;
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}
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fail_if(p == NULL);
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fail_unless(startpos + len <= p->len); /* All data we seek within same pbuf */
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found = 0;
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data = (u8_t*)p->payload;
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for (i = startpos; i <= (p->len - len); i++) {
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if (memcmp(&data[i], mem, len) == 0) {
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found = 1;
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break;
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}
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}
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fail_unless(found);
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}
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static err_t lwip_tx_func(struct netif *netif, struct pbuf *p)
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{
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fail_unless(netif == &net_test);
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txpacket++;
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if (debug) {
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struct pbuf *pp = p;
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/* Dump data */
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printf("TX data (pkt %d, len %d, tick %d)", txpacket, p->tot_len, tick);
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do {
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int i;
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for (i = 0; i < pp->len; i++) {
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printf(" %02X", ((u8_t *) pp->payload)[i]);
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}
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if (pp->next) {
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pp = pp->next;
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}
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} while (pp->next);
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printf("\n");
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}
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switch (tcase) {
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case TEST_LWIP_DHCP:
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switch (txpacket) {
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case 1:
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case 2:
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{
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const u8_t ipproto[] = { 0x08, 0x00 };
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const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */
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const u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
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check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */
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check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */
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check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */
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check_pkt(p, 42, bootp_start, sizeof(bootp_start));
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check_pkt(p, 53, ipaddrs, sizeof(ipaddrs));
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check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */
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check_pkt(p, 278, magic_cookie, sizeof(magic_cookie));
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/* Check dhcp message type, can be at different positions */
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if (txpacket == 1) {
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u8_t dhcp_discover_opt[] = { 0x35, 0x01, 0x01 };
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check_pkt_fuzzy(p, 282, dhcp_discover_opt, sizeof(dhcp_discover_opt));
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} else if (txpacket == 2) {
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u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 };
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u8_t requested_ipaddr[] = { 0x32, 0x04, 0xc3, 0xaa, 0xbd, 0xc8 }; /* Ask for offered IP */
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check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt));
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check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr));
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}
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break;
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}
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#if DHCP_TEST_NUM_ARP_FRAMES > 0
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case 3:
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#if DHCP_TEST_NUM_ARP_FRAMES > 1
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case 4:
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#if DHCP_TEST_NUM_ARP_FRAMES > 2
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case 5:
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#if DHCP_TEST_NUM_ARP_FRAMES > 3
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case 6:
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#if DHCP_TEST_NUM_ARP_FRAMES > 4
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case 7:
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#endif
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#endif
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#endif
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#endif
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{
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const u8_t arpproto[] = { 0x08, 0x06 };
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check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */
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check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */
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check_pkt(p, 12, arpproto, sizeof(arpproto)); /* eth level proto: ip */
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break;
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}
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#endif
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default:
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fail();
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break;
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}
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break;
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case TEST_LWIP_DHCP_NAK:
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{
|
|
const u8_t ipproto[] = { 0x08, 0x00 };
|
|
const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */
|
|
const u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
|
|
const u8_t dhcp_nak_opt[] = { 0x35, 0x01, 0x04 };
|
|
const u8_t requested_ipaddr[] = { 0x32, 0x04, 0xc3, 0xaa, 0xbd, 0xc8 }; /* offered IP */
|
|
|
|
fail_unless(txpacket == 4);
|
|
check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */
|
|
check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */
|
|
|
|
check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */
|
|
|
|
check_pkt(p, 42, bootp_start, sizeof(bootp_start));
|
|
|
|
check_pkt(p, 53, ipaddrs, sizeof(ipaddrs));
|
|
|
|
check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */
|
|
|
|
check_pkt(p, 278, magic_cookie, sizeof(magic_cookie));
|
|
|
|
check_pkt_fuzzy(p, 282, dhcp_nak_opt, sizeof(dhcp_nak_opt)); /* NAK the ack */
|
|
|
|
check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr));
|
|
break;
|
|
}
|
|
|
|
case TEST_LWIP_DHCP_RELAY:
|
|
switch (txpacket) {
|
|
case 1:
|
|
case 2:
|
|
{
|
|
const u8_t ipproto[] = { 0x08, 0x00 };
|
|
const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */
|
|
const u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
|
|
|
|
check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */
|
|
check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */
|
|
|
|
check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */
|
|
|
|
check_pkt(p, 42, bootp_start, sizeof(bootp_start));
|
|
|
|
check_pkt(p, 53, ipaddrs, sizeof(ipaddrs));
|
|
|
|
check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */
|
|
|
|
check_pkt(p, 278, magic_cookie, sizeof(magic_cookie));
|
|
|
|
/* Check dhcp message type, can be at different positions */
|
|
if (txpacket == 1) {
|
|
u8_t dhcp_discover_opt[] = { 0x35, 0x01, 0x01 };
|
|
check_pkt_fuzzy(p, 282, dhcp_discover_opt, sizeof(dhcp_discover_opt));
|
|
} else if (txpacket == 2) {
|
|
u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 };
|
|
u8_t requested_ipaddr[] = { 0x32, 0x04, 0x4f, 0x8a, 0x33, 0x05 }; /* Ask for offered IP */
|
|
|
|
check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt));
|
|
check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr));
|
|
}
|
|
break;
|
|
}
|
|
case 3:
|
|
#if DHCP_TEST_NUM_ARP_FRAMES > 0
|
|
case 4:
|
|
#if DHCP_TEST_NUM_ARP_FRAMES > 1
|
|
case 5:
|
|
#if DHCP_TEST_NUM_ARP_FRAMES > 2
|
|
case 6:
|
|
#if DHCP_TEST_NUM_ARP_FRAMES > 3
|
|
case 7:
|
|
#if DHCP_TEST_NUM_ARP_FRAMES > 4
|
|
case 8:
|
|
#endif
|
|
#endif
|
|
#endif
|
|
#endif
|
|
{
|
|
const u8_t arpproto[] = { 0x08, 0x06 };
|
|
|
|
check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */
|
|
check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */
|
|
|
|
check_pkt(p, 12, arpproto, sizeof(arpproto)); /* eth level proto: ip */
|
|
break;
|
|
}
|
|
#endif
|
|
case 4 + DHCP_TEST_NUM_ARP_FRAMES:
|
|
{
|
|
const u8_t fake_arp[6] = { 0x12, 0x34, 0x56, 0x78, 0x9a, 0xab };
|
|
const u8_t ipproto[] = { 0x08, 0x00 };
|
|
const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */
|
|
const u8_t ipaddrs[] = { 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
|
|
const u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 };
|
|
|
|
check_pkt(p, 0, fake_arp, 6); /* eth level dest: broadcast */
|
|
check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */
|
|
|
|
check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */
|
|
|
|
check_pkt(p, 42, bootp_start, sizeof(bootp_start));
|
|
|
|
check_pkt(p, 53, ipaddrs, sizeof(ipaddrs));
|
|
|
|
check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */
|
|
|
|
check_pkt(p, 278, magic_cookie, sizeof(magic_cookie));
|
|
|
|
/* Check dhcp message type, can be at different positions */
|
|
check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt));
|
|
break;
|
|
}
|
|
default:
|
|
fail();
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ERR_OK;
|
|
}
|
|
|
|
/*
|
|
* Test basic happy flow DHCP session.
|
|
* Validate that xid is checked.
|
|
*/
|
|
START_TEST(test_dhcp)
|
|
{
|
|
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;
|
|
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_link_up(&net_test);
|
|
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, "TX %d packets, expected 1", txpacket); /* 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, "TX %d packets, expected 2", txpacket); /* 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, "TX %d packets, still expected 2", txpacket); /* 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 == 2);
|
|
|
|
for (i = 0; i < 200; i++) {
|
|
tick_lwip();
|
|
}
|
|
fail_unless(txpacket == (2 + DHCP_TEST_NUM_ARP_FRAMES), "TX %d packets, expected %d", txpacket, (2 + DHCP_TEST_NUM_ARP_FRAMES));
|
|
|
|
/* Interface up */
|
|
fail_unless(netif_is_up(&net_test));
|
|
|
|
/* Now it should have taken the IP */
|
|
IP4_ADDR(&addr, 195, 170, 189, 200);
|
|
IP4_ADDR(&netmask, 255, 255, 255, 0);
|
|
IP4_ADDR(&gw, 195, 170, 189, 171);
|
|
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)));
|
|
|
|
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_link_up(&net_test);
|
|
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 == 2); /* ARP request sent */
|
|
|
|
while (txpacket == 2) {
|
|
tick_lwip();
|
|
}
|
|
fail_unless(txpacket == 3);
|
|
|
|
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);
|
|
}
|
|
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_link_up(&net_test);
|
|
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 < 200; i++) {
|
|
tick_lwip();
|
|
}
|
|
fail_unless(txpacket == (2 + DHCP_TEST_NUM_ARP_FRAMES), "TX %d packets, expected %d", txpacket, (2 + DHCP_TEST_NUM_ARP_FRAMES));
|
|
|
|
/* 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 == (2 + DHCP_TEST_NUM_ARP_FRAMES), "TX %d packets, expected %d", txpacket, (2 + DHCP_TEST_NUM_ARP_FRAMES));
|
|
|
|
for (i = 0; i < 108000 - 25; i++) {
|
|
tick_lwip();
|
|
}
|
|
|
|
fail_unless(netif_is_up(&net_test));
|
|
fail_unless(txpacket == (3 + DHCP_TEST_NUM_ARP_FRAMES), "TX %d packets, expected %d", txpacket, (3 + DHCP_TEST_NUM_ARP_FRAMES));
|
|
|
|
/* We need to send arp response here.. */
|
|
|
|
send_pkt(&net_test, arp_resp, sizeof(arp_resp));
|
|
|
|
fail_unless(txpacket == (4 + DHCP_TEST_NUM_ARP_FRAMES), "TX %d packets, expected %d", txpacket, (4 + DHCP_TEST_NUM_ARP_FRAMES));
|
|
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 == (4 + DHCP_TEST_NUM_ARP_FRAMES), "TX %d packets, expected %d", txpacket, (5 + DHCP_TEST_NUM_ARP_FRAMES));
|
|
|
|
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;
|
|
struct dhcp* dhcp;
|
|
u8_t tries;
|
|
u16_t request_timeout;
|
|
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_link_up(&net_test);
|
|
netif_set_up(&net_test);
|
|
|
|
dhcp_start(&net_test);
|
|
dhcp = netif_dhcp_data(&net_test);
|
|
|
|
fail_unless(txpacket == 1); /* DHCP discover sent */
|
|
xid = dhcp->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(dhcp->xid);
|
|
memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */
|
|
send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer));
|
|
|
|
fail_unless(dhcp->state == DHCP_STATE_REQUESTING);
|
|
|
|
fail_unless(txpacket == 2); /* No more sent */
|
|
xid = htonl(dhcp->xid); /* xid updated */
|
|
memcpy(&dhcp_nack_no_endmarker[46], &xid, 4); /* insert transaction id */
|
|
tries = dhcp->tries;
|
|
request_timeout = dhcp->request_timeout;
|
|
send_pkt(&net_test, dhcp_nack_no_endmarker, sizeof(dhcp_nack_no_endmarker));
|
|
|
|
/* NAK should be ignored */
|
|
fail_unless(dhcp->state == DHCP_STATE_REQUESTING);
|
|
fail_unless(txpacket == 2); /* No more sent */
|
|
fail_unless(xid == htonl(dhcp->xid));
|
|
fail_unless(tries == dhcp->tries);
|
|
fail_unless(request_timeout == dhcp->request_timeout);
|
|
|
|
tcase = TEST_NONE;
|
|
dhcp_stop(&net_test);
|
|
dhcp_cleanup(&net_test);
|
|
netif_remove(&net_test);
|
|
}
|
|
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_link_up(&net_test);
|
|
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
|
|
|
|
/** Create the suite including all tests for this module */
|
|
Suite *
|
|
dhcp_suite(void)
|
|
{
|
|
testfunc tests[] = {
|
|
TESTFUNC(test_dhcp),
|
|
TESTFUNC(test_dhcp_nak),
|
|
TESTFUNC(test_dhcp_relayed),
|
|
TESTFUNC(test_dhcp_nak_no_endmarker),
|
|
TESTFUNC(test_dhcp_invalid_overload)
|
|
};
|
|
return create_suite("DHCP", tests, sizeof(tests)/sizeof(testfunc), dhcp_setup, dhcp_teardown);
|
|
}
|