mirror of
https://github.com/lwip-tcpip/lwip.git
synced 2024-08-25 23:52:51 +00:00
790 lines
28 KiB
C
790 lines
28 KiB
C
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#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 "netif/etharp.h"
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struct netif net_test;
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static u8_t broadcast[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
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static 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, 0x6a, 0xa9, // 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, 0x67, 0xa8, // 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 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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} 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()
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{
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tick++;
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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, u8_t *data, u32_t len)
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{
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struct pbuf *p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
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struct pbuf *q;
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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()
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{
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txpacket = 0;
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}
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static void dhcp_teardown()
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{
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}
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static void check_pkt(struct pbuf *p, u32_t pos, u8_t *mem, u32_t len)
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{
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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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u8_t *data = 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, u8_t *mem, u32_t len)
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{
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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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int found = 0;
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u32_t i;
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u8_t *data = 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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// Dump data
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printf("TX data (pkt %d, len %d, tick %d)", txpacket, p->tot_len, tick);
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struct pbuf *pp = p;
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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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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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u8_t ipproto[] = { 0x08, 0x00 };
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check_pkt(p, 12, ipproto, sizeof(ipproto)); // eth level proto: ip
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u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; // bootp request, eth, hwaddr len 6, 0 hops
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check_pkt(p, 42, bootp_start, sizeof(bootp_start));
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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, 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 dchp 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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check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt));
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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, requested_ipaddr, sizeof(requested_ipaddr));
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}
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break;
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}
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case 3:
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case 4:
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case 5:
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{
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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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u8_t arpproto[] = { 0x08, 0x06 };
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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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}
|
||
|
break;
|
||
|
|
||
|
case TEST_LWIP_DHCP_NAK:
|
||
|
{
|
||
|
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
|
||
|
|
||
|
u8_t ipproto[] = { 0x08, 0x00 };
|
||
|
check_pkt(p, 12, ipproto, sizeof(ipproto)); // eth level proto: ip
|
||
|
|
||
|
u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; // bootp request, eth, hwaddr len 6, 0 hops
|
||
|
check_pkt(p, 42, bootp_start, sizeof(bootp_start));
|
||
|
|
||
|
u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
|
||
|
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));
|
||
|
|
||
|
u8_t dhcp_nak_opt[] = { 0x35, 0x01, 0x04 };
|
||
|
check_pkt_fuzzy(p, 282, dhcp_nak_opt, sizeof(dhcp_nak_opt)); // NAK the ack
|
||
|
|
||
|
u8_t requested_ipaddr[] = { 0x32, 0x04, 0xc3, 0xaa, 0xbd, 0xc8 }; // offered IP
|
||
|
check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr));
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
case TEST_LWIP_DHCP_RELAY:
|
||
|
switch (txpacket) {
|
||
|
case 1:
|
||
|
case 2:
|
||
|
{
|
||
|
check_pkt(p, 0, broadcast, 6); // eth level dest: broadcast
|
||
|
check_pkt(p, 6, netif->hwaddr, 6); // eth level src: unit mac
|
||
|
|
||
|
u8_t ipproto[] = { 0x08, 0x00 };
|
||
|
check_pkt(p, 12, ipproto, sizeof(ipproto)); // eth level proto: ip
|
||
|
|
||
|
u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; // bootp request, eth, hwaddr len 6, 0 hops
|
||
|
check_pkt(p, 42, bootp_start, sizeof(bootp_start));
|
||
|
|
||
|
u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
|
||
|
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 dchp 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 };
|
||
|
check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt));
|
||
|
|
||
|
u8_t requested_ipaddr[] = { 0x32, 0x04, 0x4f, 0x8a, 0x33, 0x05 }; // Ask for offered IP
|
||
|
check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr));
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
case 3:
|
||
|
case 4:
|
||
|
case 5:
|
||
|
{
|
||
|
check_pkt(p, 0, broadcast, 6); // eth level dest: broadcast
|
||
|
check_pkt(p, 6, netif->hwaddr, 6); // eth level src: unit mac
|
||
|
|
||
|
u8_t arpproto[] = { 0x08, 0x06 };
|
||
|
check_pkt(p, 12, arpproto, sizeof(arpproto)); // eth level proto: ip
|
||
|
break;
|
||
|
}
|
||
|
case 6:
|
||
|
{
|
||
|
u8_t fake_arp[6] = { 0x12, 0x34, 0x56, 0x78, 0x9a, 0xab };
|
||
|
check_pkt(p, 0, fake_arp, 6); // eth level dest: broadcast
|
||
|
check_pkt(p, 6, netif->hwaddr, 6); // eth level src: unit mac
|
||
|
|
||
|
u8_t ipproto[] = { 0x08, 0x00 };
|
||
|
check_pkt(p, 12, ipproto, sizeof(ipproto)); // eth level proto: ip
|
||
|
|
||
|
u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; // bootp request, eth, hwaddr len 6, 0 hops
|
||
|
check_pkt(p, 42, bootp_start, sizeof(bootp_start));
|
||
|
|
||
|
u8_t ipaddrs[] = { 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
|
||
|
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 dchp message type, can be at different positions
|
||
|
u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 };
|
||
|
check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt));
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
break;
|
||
|
|
||
|
default:
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
return ERR_OK;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Test basic happy flow DHCP session.
|
||
|
* Validate that xid is checked.
|
||
|
*/
|
||
|
START_TEST(test_dhcp)
|
||
|
{
|
||
|
struct ip_addr addr;
|
||
|
struct ip_addr netmask;
|
||
|
struct ip_addr gw;
|
||
|
int 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);
|
||
|
|
||
|
dhcp_start(&net_test);
|
||
|
|
||
|
fail_unless(txpacket == 1); // DHCP discover sent
|
||
|
u32_t xid = net_test.dhcp->xid; // Write bad xid, not using htonl!
|
||
|
memcpy(&dhcp_offer[46], &xid, 4);
|
||
|
send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer));
|
||
|
|
||
|
// Interface down
|
||
|
fail_if(netif_is_up(&net_test));
|
||
|
|
||
|
// IP addresses should be zero
|
||
|
fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(struct ip_addr)));
|
||
|
fail_if(memcmp(&netmask, &net_test.netmask, sizeof(struct ip_addr)));
|
||
|
fail_if(memcmp(&gw, &net_test.gw, sizeof(struct ip_addr)));
|
||
|
|
||
|
fail_unless(txpacket == 1, "TX %d packets, expected 1", txpacket); // Nothing more sent
|
||
|
xid = htonl(net_test.dhcp->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 = net_test.dhcp->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(net_test.dhcp->xid); // xid updated
|
||
|
memcpy(&dhcp_ack[46], &xid, 4); // insert transaction id
|
||
|
send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack));
|
||
|
|
||
|
for (i = 0; i < 20; i++)
|
||
|
tick_lwip();
|
||
|
fail_unless(txpacket == 4, "TX %d packets, expected 4", txpacket); // ARP requests sent
|
||
|
|
||
|
// 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(struct ip_addr)));
|
||
|
fail_if(memcmp(&netmask, &net_test.netmask, sizeof(struct ip_addr)));
|
||
|
fail_if(memcmp(&gw, &net_test.gw, sizeof(struct ip_addr)));
|
||
|
|
||
|
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)
|
||
|
{
|
||
|
struct ip_addr addr;
|
||
|
struct ip_addr netmask;
|
||
|
struct ip_addr gw;
|
||
|
|
||
|
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);
|
||
|
|
||
|
dhcp_start(&net_test);
|
||
|
|
||
|
fail_unless(txpacket == 1); // DHCP discover sent
|
||
|
u32_t xid = net_test.dhcp->xid; // Write bad xid, not using htonl!
|
||
|
memcpy(&dhcp_offer[46], &xid, 4);
|
||
|
send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer));
|
||
|
|
||
|
// Interface down
|
||
|
fail_if(netif_is_up(&net_test));
|
||
|
|
||
|
// IP addresses should be zero
|
||
|
fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(struct ip_addr)));
|
||
|
fail_if(memcmp(&netmask, &net_test.netmask, sizeof(struct ip_addr)));
|
||
|
fail_if(memcmp(&gw, &net_test.gw, sizeof(struct ip_addr)));
|
||
|
|
||
|
fail_unless(txpacket == 1); // Nothing more sent
|
||
|
xid = htonl(net_test.dhcp->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 = net_test.dhcp->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(net_test.dhcp->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
|
||
|
|
||
|
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,
|
||
|
0x38, 0x72, 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,
|
||
|
0x35, 0x71, 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,
|
||
|
0x02, 0x6b, 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 };
|
||
|
|
||
|
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 };
|
||
|
|
||
|
struct ip_addr addr;
|
||
|
struct ip_addr netmask;
|
||
|
struct ip_addr gw;
|
||
|
int 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);
|
||
|
|
||
|
dhcp_start(&net_test);
|
||
|
|
||
|
fail_unless(txpacket == 1); // DHCP discover sent
|
||
|
|
||
|
// Interface down
|
||
|
fail_if(netif_is_up(&net_test));
|
||
|
|
||
|
// IP addresses should be zero
|
||
|
fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(struct ip_addr)));
|
||
|
fail_if(memcmp(&netmask, &net_test.netmask, sizeof(struct ip_addr)));
|
||
|
fail_if(memcmp(&gw, &net_test.gw, sizeof(struct ip_addr)));
|
||
|
|
||
|
fail_unless(txpacket == 1); // Nothing more sent
|
||
|
u32_t xid = htonl(net_test.dhcp->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(net_test.dhcp->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 == 4, "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(struct ip_addr)));
|
||
|
fail_if(memcmp(&netmask, &net_test.netmask, sizeof(struct ip_addr)));
|
||
|
fail_if(memcmp(&gw, &net_test.gw, sizeof(struct ip_addr)));
|
||
|
|
||
|
fail_unless(txpacket == 4, "txpacket = %d", txpacket);
|
||
|
|
||
|
for (i = 0; i < 108000 - 25; i++) {
|
||
|
tick_lwip();
|
||
|
}
|
||
|
|
||
|
fail_unless(netif_is_up(&net_test));
|
||
|
fail_unless(txpacket == 5, "txpacket = %d", txpacket);
|
||
|
|
||
|
// We need to send arp response here..
|
||
|
|
||
|
send_pkt(&net_test, arp_resp, sizeof(arp_resp));
|
||
|
|
||
|
fail_unless(txpacket == 6, "txpacket = %d", txpacket);
|
||
|
fail_unless(netif_is_up(&net_test));
|
||
|
|
||
|
xid = htonl(net_test.dhcp->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 == 6, "txpacket = %d", txpacket);
|
||
|
|
||
|
netif_remove(&net_test);
|
||
|
|
||
|
}
|
||
|
END_TEST
|
||
|
|
||
|
/** Create the suite including all tests for this module */
|
||
|
Suite *
|
||
|
dhcp_suite(void)
|
||
|
{
|
||
|
TFun tests[] = {
|
||
|
test_dhcp,
|
||
|
test_dhcp_nak,
|
||
|
test_dhcp_relayed
|
||
|
};
|
||
|
return create_suite("DHCP", tests, sizeof(tests)/sizeof(TFun), dhcp_setup, dhcp_teardown);
|
||
|
}
|