Greg Steiert
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pegasus_dev
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test_dhcp.c
00001 #include "test_dhcp.h" 00002 00003 #include "lwip/netif.h" 00004 #include "lwip/dhcp.h" 00005 #include "netif/etharp.h" 00006 00007 struct netif net_test; 00008 00009 static const u8_t broadcast[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 00010 00011 static const u8_t magic_cookie[] = { 0x63, 0x82, 0x53, 0x63 }; 00012 00013 static u8_t dhcp_offer[] = { 00014 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* To unit */ 00015 0x00, 0x0F, 0xEE, 0x30, 0xAB, 0x22, /* From Remote host */ 00016 0x08, 0x00, /* Protocol: IP */ 00017 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x80, 0x11, 0x36, 0xcc, 0xc3, 0xaa, 0xbd, 0xab, 0xc3, 0xaa, 0xbd, 0xc8, /* IP header */ 00018 0x00, 0x43, 0x00, 0x44, 0x01, 0x34, 0x00, 0x00, /* UDP header */ 00019 00020 0x02, /* Type == Boot reply */ 00021 0x01, 0x06, /* Hw Ethernet, 6 bytes addrlen */ 00022 0x00, /* 0 hops */ 00023 0xAA, 0xAA, 0xAA, 0xAA, /* Transaction id, will be overwritten */ 00024 0x00, 0x00, /* 0 seconds elapsed */ 00025 0x00, 0x00, /* Flags (unicast) */ 00026 0x00, 0x00, 0x00, 0x00, /* Client ip */ 00027 0xc3, 0xaa, 0xbd, 0xc8, /* Your IP */ 00028 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server ip */ 00029 0x00, 0x00, 0x00, 0x00, /* relay agent */ 00030 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* MAC addr + padding */ 00031 00032 /* Empty server name and boot file name */ 00033 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00034 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00035 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00036 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00037 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00038 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00039 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00040 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00041 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00042 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00043 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00044 0x00, 0x00, 0x00, 0x00, 00045 00046 0x63, 0x82, 0x53, 0x63, /* Magic cookie */ 00047 0x35, 0x01, 0x02, /* Message type: Offer */ 00048 0x36, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Server identifier (IP) */ 00049 0x33, 0x04, 0x00, 0x00, 0x00, 0x78, /* Lease time 2 minutes */ 00050 0x03, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Router IP */ 00051 0x01, 0x04, 0xff, 0xff, 0xff, 0x00, /* Subnet mask */ 00052 0xff, /* End option */ 00053 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00054 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Padding */ 00055 }; 00056 00057 static u8_t dhcp_ack[] = { 00058 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* To unit */ 00059 0x00, 0x0f, 0xEE, 0x30, 0xAB, 0x22, /* From remote host */ 00060 0x08, 0x00, /* Proto IP */ 00061 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x80, 0x11, 0x36, 0xcc, 0xc3, 0xaa, 0xbd, 0xab, 0xc3, 0xaa, 0xbd, 0xc8, /* IP header */ 00062 0x00, 0x43, 0x00, 0x44, 0x01, 0x34, 0x00, 0x00, /* UDP header */ 00063 0x02, /* Bootp reply */ 00064 0x01, 0x06, /* Hw type Eth, len 6 */ 00065 0x00, /* 0 hops */ 00066 0xAA, 0xAA, 0xAA, 0xAA, 00067 0x00, 0x00, /* 0 seconds elapsed */ 00068 0x00, 0x00, /* Flags (unicast) */ 00069 0x00, 0x00, 0x00, 0x00, /* Client IP */ 00070 0xc3, 0xaa, 0xbd, 0xc8, /* Your IP */ 00071 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server IP */ 00072 0x00, 0x00, 0x00, 0x00, /* Relay agent */ 00073 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Macaddr + padding */ 00074 00075 /* Empty server name and boot file name */ 00076 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00077 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00078 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00079 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00080 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00081 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00082 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00083 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00084 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00085 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00086 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00087 0x00, 0x00, 0x00, 0x00, 00088 00089 0x63, 0x82, 0x53, 0x63, /* Magic cookie */ 00090 0x35, 0x01, 0x05, /* Dhcp message type ack */ 00091 0x36, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server identifier */ 00092 0x33, 0x04, 0x00, 0x00, 0x00, 0x78, /* Lease time 2 minutes */ 00093 0x03, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Router IP */ 00094 0x01, 0x04, 0xff, 0xff, 0xff, 0x00, /* Netmask */ 00095 0xff, /* End marker */ 00096 00097 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00098 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Padding */ 00099 }; 00100 00101 static const u8_t arpreply[] = { 00102 0x00, 0x23, 0xC1, 0xDE, 0xD0, 0x0D, /* dst mac */ 00103 0x00, 0x32, 0x44, 0x20, 0x01, 0x02, /* src mac */ 00104 0x08, 0x06, /* proto arp */ 00105 0x00, 0x01, /* hw eth */ 00106 0x08, 0x00, /* proto ip */ 00107 0x06, /* hw addr len 6 */ 00108 0x04, /* proto addr len 4 */ 00109 0x00, 0x02, /* arp reply */ 00110 0x00, 0x32, 0x44, 0x20, 0x01, 0x02, /* sender mac */ 00111 0xc3, 0xaa, 0xbd, 0xc8, /* sender ip */ 00112 0x00, 0x23, 0xC1, 0xDE, 0xD0, 0x0D, /* target mac */ 00113 0x00, 0x00, 0x00, 0x00, /* target ip */ 00114 }; 00115 00116 static int txpacket; 00117 static enum tcase { 00118 TEST_LWIP_DHCP, 00119 TEST_LWIP_DHCP_NAK, 00120 TEST_LWIP_DHCP_RELAY, 00121 TEST_LWIP_DHCP_NAK_NO_ENDMARKER 00122 } tcase; 00123 00124 static int debug = 0; 00125 static void setdebug(int a) {debug = a;} 00126 00127 static int tick = 0; 00128 static void tick_lwip(void) 00129 { 00130 tick++; 00131 if (tick % 5 == 0) { 00132 dhcp_fine_tmr(); 00133 } 00134 if (tick % 600 == 0) { 00135 dhcp_coarse_tmr(); 00136 } 00137 } 00138 00139 static void send_pkt(struct netif *netif, const u8_t *data, size_t len) 00140 { 00141 struct pbuf *p, *q; 00142 LWIP_ASSERT("pkt too big", len <= 0xFFFF); 00143 p = pbuf_alloc(PBUF_RAW, (u16_t)len, PBUF_POOL); 00144 00145 if (debug) { 00146 /* Dump data */ 00147 u32_t i; 00148 printf("RX data (len %d)", p->tot_len); 00149 for (i = 0; i < len; i++) { 00150 printf(" %02X", data[i]); 00151 } 00152 printf("\n"); 00153 } 00154 00155 fail_unless(p != NULL); 00156 for(q = p; q != NULL; q = q->next) { 00157 memcpy(q->payload, data, q->len); 00158 data += q->len; 00159 } 00160 netif->input(p, netif); 00161 } 00162 00163 static err_t lwip_tx_func(struct netif *netif, struct pbuf *p); 00164 00165 static err_t testif_init(struct netif *netif) 00166 { 00167 netif->name[0] = 'c'; 00168 netif->name[1] = 'h'; 00169 netif->output = etharp_output; 00170 netif->linkoutput = lwip_tx_func; 00171 netif->mtu = 1500; 00172 netif->hwaddr_len = 6; 00173 netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP; 00174 00175 netif->hwaddr[0] = 0x00; 00176 netif->hwaddr[1] = 0x23; 00177 netif->hwaddr[2] = 0xC1; 00178 netif->hwaddr[3] = 0xDE; 00179 netif->hwaddr[4] = 0xD0; 00180 netif->hwaddr[5] = 0x0D; 00181 00182 return ERR_OK; 00183 } 00184 00185 static void dhcp_setup(void) 00186 { 00187 txpacket = 0; 00188 } 00189 00190 static void dhcp_teardown(void) 00191 { 00192 } 00193 00194 static void check_pkt(struct pbuf *p, u32_t pos, const u8_t *mem, u32_t len) 00195 { 00196 u8_t *data; 00197 00198 fail_if((pos + len) > p->tot_len); 00199 while (pos > p->len && p->next) { 00200 pos -= p->len; 00201 p = p->next; 00202 } 00203 fail_if(p == NULL); 00204 fail_unless(pos + len <= p->len); /* All data we seek within same pbuf */ 00205 00206 data = (u8_t*)p->payload; 00207 fail_if(memcmp(&data[pos], mem, len), "data at pos %d, len %d in packet %d did not match", pos, len, txpacket); 00208 } 00209 00210 static void check_pkt_fuzzy(struct pbuf *p, u32_t startpos, const u8_t *mem, u32_t len) 00211 { 00212 int found; 00213 u32_t i; 00214 u8_t *data; 00215 00216 fail_if((startpos + len) > p->tot_len); 00217 while (startpos > p->len && p->next) { 00218 startpos -= p->len; 00219 p = p->next; 00220 } 00221 fail_if(p == NULL); 00222 fail_unless(startpos + len <= p->len); /* All data we seek within same pbuf */ 00223 00224 found = 0; 00225 data = (u8_t*)p->payload; 00226 for (i = startpos; i <= (p->len - len); i++) { 00227 if (memcmp(&data[i], mem, len) == 0) { 00228 found = 1; 00229 break; 00230 } 00231 } 00232 fail_unless(found); 00233 } 00234 00235 static err_t lwip_tx_func(struct netif *netif, struct pbuf *p) 00236 { 00237 fail_unless(netif == &net_test); 00238 txpacket++; 00239 00240 if (debug) { 00241 struct pbuf *pp = p; 00242 /* Dump data */ 00243 printf("TX data (pkt %d, len %d, tick %d)", txpacket, p->tot_len, tick); 00244 do { 00245 int i; 00246 for (i = 0; i < pp->len; i++) { 00247 printf(" %02X", ((u8_t *) pp->payload)[i]); 00248 } 00249 if (pp->next) { 00250 pp = pp->next; 00251 } 00252 } while (pp->next); 00253 printf("\n"); 00254 } 00255 00256 switch (tcase) { 00257 case TEST_LWIP_DHCP: 00258 switch (txpacket) { 00259 case 1: 00260 case 2: 00261 { 00262 const u8_t ipproto[] = { 0x08, 0x00 }; 00263 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00264 const u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00265 00266 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00267 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00268 00269 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00270 00271 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00272 00273 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00274 00275 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00276 00277 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00278 00279 /* Check dchp message type, can be at different positions */ 00280 if (txpacket == 1) { 00281 u8_t dhcp_discover_opt[] = { 0x35, 0x01, 0x01 }; 00282 check_pkt_fuzzy(p, 282, dhcp_discover_opt, sizeof(dhcp_discover_opt)); 00283 } else if (txpacket == 2) { 00284 u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 }; 00285 u8_t requested_ipaddr[] = { 0x32, 0x04, 0xc3, 0xaa, 0xbd, 0xc8 }; /* Ask for offered IP */ 00286 00287 check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt)); 00288 check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr)); 00289 } 00290 break; 00291 } 00292 case 3: 00293 case 4: 00294 case 5: 00295 { 00296 const u8_t arpproto[] = { 0x08, 0x06 }; 00297 00298 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00299 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00300 00301 check_pkt(p, 12, arpproto, sizeof(arpproto)); /* eth level proto: ip */ 00302 break; 00303 } 00304 default: 00305 fail(); 00306 break; 00307 } 00308 break; 00309 00310 case TEST_LWIP_DHCP_NAK: 00311 { 00312 const u8_t ipproto[] = { 0x08, 0x00 }; 00313 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00314 const u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00315 const u8_t dhcp_nak_opt[] = { 0x35, 0x01, 0x04 }; 00316 const u8_t requested_ipaddr[] = { 0x32, 0x04, 0xc3, 0xaa, 0xbd, 0xc8 }; /* offered IP */ 00317 00318 fail_unless(txpacket == 4); 00319 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00320 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00321 00322 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00323 00324 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00325 00326 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00327 00328 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00329 00330 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00331 00332 check_pkt_fuzzy(p, 282, dhcp_nak_opt, sizeof(dhcp_nak_opt)); /* NAK the ack */ 00333 00334 check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr)); 00335 break; 00336 } 00337 00338 case TEST_LWIP_DHCP_RELAY: 00339 switch (txpacket) { 00340 case 1: 00341 case 2: 00342 { 00343 const u8_t ipproto[] = { 0x08, 0x00 }; 00344 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00345 const u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00346 00347 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00348 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00349 00350 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00351 00352 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00353 00354 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00355 00356 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00357 00358 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00359 00360 /* Check dchp message type, can be at different positions */ 00361 if (txpacket == 1) { 00362 u8_t dhcp_discover_opt[] = { 0x35, 0x01, 0x01 }; 00363 check_pkt_fuzzy(p, 282, dhcp_discover_opt, sizeof(dhcp_discover_opt)); 00364 } else if (txpacket == 2) { 00365 u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 }; 00366 u8_t requested_ipaddr[] = { 0x32, 0x04, 0x4f, 0x8a, 0x33, 0x05 }; /* Ask for offered IP */ 00367 00368 check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt)); 00369 check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr)); 00370 } 00371 break; 00372 } 00373 case 3: 00374 case 4: 00375 case 5: 00376 case 6: 00377 { 00378 const u8_t arpproto[] = { 0x08, 0x06 }; 00379 00380 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00381 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00382 00383 check_pkt(p, 12, arpproto, sizeof(arpproto)); /* eth level proto: ip */ 00384 break; 00385 } 00386 case 7: 00387 { 00388 const u8_t fake_arp[6] = { 0x12, 0x34, 0x56, 0x78, 0x9a, 0xab }; 00389 const u8_t ipproto[] = { 0x08, 0x00 }; 00390 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00391 const u8_t ipaddrs[] = { 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00392 const u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 }; 00393 00394 check_pkt(p, 0, fake_arp, 6); /* eth level dest: broadcast */ 00395 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00396 00397 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00398 00399 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00400 00401 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00402 00403 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00404 00405 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00406 00407 /* Check dchp message type, can be at different positions */ 00408 check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt)); 00409 break; 00410 } 00411 default: 00412 fail(); 00413 break; 00414 } 00415 break; 00416 00417 default: 00418 break; 00419 } 00420 00421 return ERR_OK; 00422 } 00423 00424 /* 00425 * Test basic happy flow DHCP session. 00426 * Validate that xid is checked. 00427 */ 00428 START_TEST(test_dhcp) 00429 { 00430 ip4_addr_t addr; 00431 ip4_addr_t netmask; 00432 ip4_addr_t gw; 00433 int i; 00434 u32_t xid; 00435 LWIP_UNUSED_ARG(_i); 00436 00437 tcase = TEST_LWIP_DHCP; 00438 setdebug(0); 00439 00440 IP4_ADDR(&addr, 0, 0, 0, 0); 00441 IP4_ADDR(&netmask, 0, 0, 0, 0); 00442 IP4_ADDR(&gw, 0, 0, 0, 0); 00443 00444 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00445 netif_set_up(&net_test); 00446 00447 dhcp_start(&net_test); 00448 00449 fail_unless(txpacket == 1); /* DHCP discover sent */ 00450 xid = net_test.dhcp->xid; /* Write bad xid, not using htonl! */ 00451 memcpy(&dhcp_offer[46], &xid, 4); 00452 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00453 00454 /* IP addresses should be zero */ 00455 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00456 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00457 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00458 00459 fail_unless(txpacket == 1, "TX %d packets, expected 1", txpacket); /* Nothing more sent */ 00460 xid = htonl(net_test.dhcp->xid); 00461 memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */ 00462 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00463 00464 fail_unless(txpacket == 2, "TX %d packets, expected 2", txpacket); /* DHCP request sent */ 00465 xid = net_test.dhcp->xid; /* Write bad xid, not using htonl! */ 00466 memcpy(&dhcp_ack[46], &xid, 4); 00467 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00468 00469 fail_unless(txpacket == 2, "TX %d packets, still expected 2", txpacket); /* No more sent */ 00470 xid = htonl(net_test.dhcp->xid); /* xid updated */ 00471 memcpy(&dhcp_ack[46], &xid, 4); /* insert transaction id */ 00472 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00473 00474 for (i = 0; i < 20; i++) { 00475 tick_lwip(); 00476 } 00477 fail_unless(txpacket == 5, "TX %d packets, expected 5", txpacket); /* ARP requests sent */ 00478 00479 /* Interface up */ 00480 fail_unless(netif_is_up(&net_test)); 00481 00482 /* Now it should have taken the IP */ 00483 IP4_ADDR(&addr, 195, 170, 189, 200); 00484 IP4_ADDR(&netmask, 255, 255, 255, 0); 00485 IP4_ADDR(&gw, 195, 170, 189, 171); 00486 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00487 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00488 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00489 00490 netif_remove(&net_test); 00491 } 00492 END_TEST 00493 00494 /* 00495 * Test that IP address is not taken and NAK is sent if someone 00496 * replies to ARP requests for the offered address. 00497 */ 00498 START_TEST(test_dhcp_nak) 00499 { 00500 ip4_addr_t addr; 00501 ip4_addr_t netmask; 00502 ip4_addr_t gw; 00503 u32_t xid; 00504 LWIP_UNUSED_ARG(_i); 00505 00506 tcase = TEST_LWIP_DHCP; 00507 setdebug(0); 00508 00509 IP4_ADDR(&addr, 0, 0, 0, 0); 00510 IP4_ADDR(&netmask, 0, 0, 0, 0); 00511 IP4_ADDR(&gw, 0, 0, 0, 0); 00512 00513 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00514 netif_set_up(&net_test); 00515 00516 dhcp_start(&net_test); 00517 00518 fail_unless(txpacket == 1); /* DHCP discover sent */ 00519 xid = net_test.dhcp->xid; /* Write bad xid, not using htonl! */ 00520 memcpy(&dhcp_offer[46], &xid, 4); 00521 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00522 00523 /* IP addresses should be zero */ 00524 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00525 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00526 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00527 00528 fail_unless(txpacket == 1); /* Nothing more sent */ 00529 xid = htonl(net_test.dhcp->xid); 00530 memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */ 00531 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00532 00533 fail_unless(txpacket == 2); /* DHCP request sent */ 00534 xid = net_test.dhcp->xid; /* Write bad xid, not using htonl! */ 00535 memcpy(&dhcp_ack[46], &xid, 4); 00536 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00537 00538 fail_unless(txpacket == 2); /* No more sent */ 00539 xid = htonl(net_test.dhcp->xid); /* xid updated */ 00540 memcpy(&dhcp_ack[46], &xid, 4); /* insert transaction id */ 00541 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00542 00543 fail_unless(txpacket == 3); /* ARP request sent */ 00544 00545 tcase = TEST_LWIP_DHCP_NAK; /* Switch testcase */ 00546 00547 /* Send arp reply, mark offered IP as taken */ 00548 send_pkt(&net_test, arpreply, sizeof(arpreply)); 00549 00550 fail_unless(txpacket == 4); /* DHCP nak sent */ 00551 00552 netif_remove(&net_test); 00553 } 00554 END_TEST 00555 00556 /* 00557 * Test case based on captured data where 00558 * replies are sent from a different IP than the 00559 * one the client unicasted to. 00560 */ 00561 START_TEST(test_dhcp_relayed) 00562 { 00563 u8_t relay_offer[] = { 00564 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 00565 0x00, 0x22, 0x93, 0x5a, 0xf7, 0x60, 00566 0x08, 0x00, 0x45, 0x00, 00567 0x01, 0x38, 0xfd, 0x53, 0x00, 0x00, 0x40, 0x11, 00568 0x78, 0x46, 0x4f, 0x8a, 0x32, 0x02, 0x4f, 0x8a, 00569 0x33, 0x05, 0x00, 0x43, 0x00, 0x44, 0x01, 0x24, 00570 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x51, 0x35, 00571 0xb6, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00572 0x00, 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 00573 0x00, 0x00, 0x0a, 0xb5, 0x04, 0x01, 0x00, 0x23, 00574 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 00575 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00576 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00577 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00578 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00579 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00580 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00581 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00582 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00583 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00584 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00585 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00586 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00587 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00588 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00589 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00590 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00591 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00592 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00593 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00594 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00595 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00596 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00597 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00598 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00599 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82, 00600 0x53, 0x63, 0x01, 0x04, 0xff, 0xff, 0xfe, 0x00, 00601 0x03, 0x04, 0x4f, 0x8a, 0x32, 0x01, 0x06, 0x08, 00602 0x4f, 0x8a, 0x00, 0xb4, 0x55, 0x08, 0x1f, 0xd1, 00603 0x1c, 0x04, 0x4f, 0x8a, 0x33, 0xff, 0x33, 0x04, 00604 0x00, 0x00, 0x54, 0x49, 0x35, 0x01, 0x02, 0x36, 00605 0x04, 0x0a, 0xb5, 0x04, 0x01, 0xff 00606 }; 00607 00608 u8_t relay_ack1[] = { 00609 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x22, 00610 0x93, 0x5a, 0xf7, 0x60, 0x08, 0x00, 0x45, 0x00, 00611 0x01, 0x38, 0xfd, 0x55, 0x00, 0x00, 0x40, 0x11, 00612 0x78, 0x44, 0x4f, 0x8a, 0x32, 0x02, 0x4f, 0x8a, 00613 0x33, 0x05, 0x00, 0x43, 0x00, 0x44, 0x01, 0x24, 00614 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x51, 0x35, 00615 0xb6, 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00616 0x00, 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 00617 0x00, 0x00, 0x0a, 0xb5, 0x04, 0x01, 0x00, 0x23, 00618 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 00619 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00620 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00621 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00622 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00623 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00624 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00625 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00626 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00627 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00628 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00629 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00630 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00631 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00632 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00633 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00634 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00635 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00636 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00637 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00638 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00639 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00640 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00641 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00642 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00643 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82, 00644 0x53, 0x63, 0x01, 0x04, 0xff, 0xff, 0xfe, 0x00, 00645 0x03, 0x04, 0x4f, 0x8a, 0x32, 0x01, 0x06, 0x08, 00646 0x4f, 0x8a, 0x00, 0xb4, 0x55, 0x08, 0x1f, 0xd1, 00647 0x1c, 0x04, 0x4f, 0x8a, 0x33, 0xff, 0x33, 0x04, 00648 0x00, 0x00, 0x54, 0x49, 0x35, 0x01, 0x05, 0x36, 00649 0x04, 0x0a, 0xb5, 0x04, 0x01, 0xff 00650 }; 00651 00652 u8_t relay_ack2[] = { 00653 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 00654 0x00, 0x22, 0x93, 0x5a, 0xf7, 0x60, 00655 0x08, 0x00, 0x45, 0x00, 00656 0x01, 0x38, 0xfa, 0x18, 0x00, 0x00, 0x40, 0x11, 00657 0x7b, 0x81, 0x4f, 0x8a, 0x32, 0x02, 0x4f, 0x8a, 00658 0x33, 0x05, 0x00, 0x43, 0x00, 0x44, 0x01, 0x24, 00659 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x49, 0x8b, 00660 0x6e, 0xab, 0x00, 0x00, 0x00, 0x00, 0x4f, 0x8a, 00661 0x33, 0x05, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 00662 0x00, 0x00, 0x0a, 0xb5, 0x04, 0x01, 0x00, 0x23, 00663 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 00664 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00665 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00666 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00667 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00668 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00669 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00670 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00671 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00672 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00673 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00674 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00675 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00676 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00677 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00678 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00679 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00680 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00681 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00682 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00683 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00684 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00685 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00686 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00687 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00688 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82, 00689 0x53, 0x63, 0x01, 0x04, 0xff, 0xff, 0xfe, 0x00, 00690 0x03, 0x04, 0x4f, 0x8a, 0x32, 0x01, 0x06, 0x08, 00691 0x4f, 0x8a, 0x00, 0xb4, 0x55, 0x08, 0x1f, 0xd1, 00692 0x1c, 0x04, 0x4f, 0x8a, 0x33, 0xff, 0x33, 0x04, 00693 0x00, 0x00, 0x54, 0x60, 0x35, 0x01, 0x05, 0x36, 00694 0x04, 0x0a, 0xb5, 0x04, 0x01, 0xff }; 00695 00696 const u8_t arp_resp[] = { 00697 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* DEST */ 00698 0x00, 0x22, 0x93, 0x5a, 0xf7, 0x60, /* SRC */ 00699 0x08, 0x06, /* Type: ARP */ 00700 0x00, 0x01, /* HW: Ethernet */ 00701 0x08, 0x00, /* PROTO: IP */ 00702 0x06, /* HW size */ 00703 0x04, /* PROTO size */ 00704 0x00, 0x02, /* OPCODE: Reply */ 00705 00706 0x12, 0x34, 0x56, 0x78, 0x9a, 0xab, /* Target MAC */ 00707 0x4f, 0x8a, 0x32, 0x01, /* Target IP */ 00708 00709 0x00, 0x23, 0xc1, 0x00, 0x06, 0x50, /* src mac */ 00710 0x4f, 0x8a, 0x33, 0x05, /* src ip */ 00711 00712 /* Padding follows.. */ 00713 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00714 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00715 0x00, 0x00, 0x00, 0x00 }; 00716 00717 ip4_addr_t addr; 00718 ip4_addr_t netmask; 00719 ip4_addr_t gw; 00720 int i; 00721 u32_t xid; 00722 LWIP_UNUSED_ARG(_i); 00723 00724 tcase = TEST_LWIP_DHCP_RELAY; 00725 setdebug(0); 00726 00727 IP4_ADDR(&addr, 0, 0, 0, 0); 00728 IP4_ADDR(&netmask, 0, 0, 0, 0); 00729 IP4_ADDR(&gw, 0, 0, 0, 0); 00730 00731 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00732 netif_set_up(&net_test); 00733 00734 dhcp_start(&net_test); 00735 00736 fail_unless(txpacket == 1); /* DHCP discover sent */ 00737 00738 /* IP addresses should be zero */ 00739 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00740 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00741 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00742 00743 fail_unless(txpacket == 1); /* Nothing more sent */ 00744 xid = htonl(net_test.dhcp->xid); 00745 memcpy(&relay_offer[46], &xid, 4); /* insert correct transaction id */ 00746 send_pkt(&net_test, relay_offer, sizeof(relay_offer)); 00747 00748 /* request sent? */ 00749 fail_unless(txpacket == 2, "txpkt = %d, should be 2", txpacket); 00750 xid = htonl(net_test.dhcp->xid); /* xid updated */ 00751 memcpy(&relay_ack1[46], &xid, 4); /* insert transaction id */ 00752 send_pkt(&net_test, relay_ack1, sizeof(relay_ack1)); 00753 00754 for (i = 0; i < 25; i++) { 00755 tick_lwip(); 00756 } 00757 fail_unless(txpacket == 5, "txpkt should be 5, is %d", txpacket); /* ARP requests sent */ 00758 00759 /* Interface up */ 00760 fail_unless(netif_is_up(&net_test)); 00761 00762 /* Now it should have taken the IP */ 00763 IP4_ADDR(&addr, 79, 138, 51, 5); 00764 IP4_ADDR(&netmask, 255, 255, 254, 0); 00765 IP4_ADDR(&gw, 79, 138, 50, 1); 00766 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00767 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00768 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00769 00770 fail_unless(txpacket == 5, "txpacket = %d", txpacket); 00771 00772 for (i = 0; i < 108000 - 25; i++) { 00773 tick_lwip(); 00774 } 00775 00776 fail_unless(netif_is_up(&net_test)); 00777 fail_unless(txpacket == 6, "txpacket = %d", txpacket); 00778 00779 /* We need to send arp response here.. */ 00780 00781 send_pkt(&net_test, arp_resp, sizeof(arp_resp)); 00782 00783 fail_unless(txpacket == 7, "txpacket = %d", txpacket); 00784 fail_unless(netif_is_up(&net_test)); 00785 00786 xid = htonl(net_test.dhcp->xid); /* xid updated */ 00787 memcpy(&relay_ack2[46], &xid, 4); /* insert transaction id */ 00788 send_pkt(&net_test, relay_ack2, sizeof(relay_ack2)); 00789 00790 for (i = 0; i < 100000; i++) { 00791 tick_lwip(); 00792 } 00793 00794 fail_unless(txpacket == 7, "txpacket = %d", txpacket); 00795 00796 netif_remove(&net_test); 00797 00798 } 00799 END_TEST 00800 00801 START_TEST(test_dhcp_nak_no_endmarker) 00802 { 00803 ip4_addr_t addr; 00804 ip4_addr_t netmask; 00805 ip4_addr_t gw; 00806 00807 u8_t dhcp_nack_no_endmarker[] = { 00808 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x54, 0x75, 00809 0xd0, 0x26, 0xd0, 0x0d, 0x08, 0x00, 0x45, 0x00, 00810 0x01, 0x15, 0x38, 0x86, 0x00, 0x00, 0xff, 0x11, 00811 0xc0, 0xa8, 0xc0, 0xa8, 0x01, 0x01, 0xff, 0xff, 00812 0xff, 0xff, 0x00, 0x43, 0x00, 0x44, 0x01, 0x01, 00813 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x7a, 0xcb, 00814 0xba, 0xf2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00815 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00816 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x23, 00817 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 00818 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00819 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00820 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00821 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00822 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00823 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00824 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00825 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00826 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00827 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00828 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00829 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00830 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00831 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00832 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00833 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00834 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00835 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00836 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00837 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00838 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00839 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00840 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00841 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00842 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82, 00843 0x53, 0x63, 0x35, 0x01, 0x06, 0x36, 0x04, 0xc0, 00844 0xa8, 0x01, 0x01, 0x31, 0xef, 0xad, 0x72, 0x31, 00845 0x43, 0x4e, 0x44, 0x30, 0x32, 0x35, 0x30, 0x43, 00846 0x52, 0x47, 0x44, 0x38, 0x35, 0x36, 0x3c, 0x08, 00847 0x4d, 0x53, 0x46, 0x54, 0x20, 0x35, 0x2e, 0x30, 00848 0x37, 0x0d, 0x01, 0x0f, 0x03, 0x06, 0x2c, 0x2e, 00849 0x2f, 0x1f, 0x21, 0x79, 0xf9, 0x2b, 0xfc, 0xff, 00850 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe2, 0x71, 00851 0xf3, 0x5b, 0xe2, 0x71, 0x2e, 0x01, 0x08, 0x03, 00852 0x04, 0xc0, 0xa8, 0x01, 0x01, 0xff, 0xeb, 0x1e, 00853 0x44, 0xec, 0xeb, 0x1e, 0x30, 0x37, 0x0c, 0x01, 00854 0x0f, 0x03, 0x06, 0x2c, 0x2e, 0x2f, 0x1f, 0x21, 00855 0x79, 0xf9, 0x2b, 0xff, 0x25, 0xc0, 0x09, 0xd6, 00856 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00857 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 00858 }; 00859 u32_t xid; 00860 LWIP_UNUSED_ARG(_i); 00861 00862 tcase = TEST_LWIP_DHCP_NAK_NO_ENDMARKER; 00863 setdebug(0); 00864 00865 IP4_ADDR(&addr, 0, 0, 0, 0); 00866 IP4_ADDR(&netmask, 0, 0, 0, 0); 00867 IP4_ADDR(&gw, 0, 0, 0, 0); 00868 00869 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00870 netif_set_up(&net_test); 00871 00872 dhcp_start(&net_test); 00873 00874 fail_unless(txpacket == 1); /* DHCP discover sent */ 00875 xid = net_test.dhcp->xid; /* Write bad xid, not using htonl! */ 00876 memcpy(&dhcp_offer[46], &xid, 4); 00877 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00878 00879 /* IP addresses should be zero */ 00880 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00881 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00882 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00883 00884 fail_unless(txpacket == 1); /* Nothing more sent */ 00885 xid = htonl(net_test.dhcp->xid); 00886 memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */ 00887 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00888 00889 fail_unless(net_test.dhcp->state == DHCP_STATE_REQUESTING); 00890 00891 fail_unless(txpacket == 2); /* No more sent */ 00892 xid = htonl(net_test.dhcp->xid); /* xid updated */ 00893 memcpy(&dhcp_nack_no_endmarker[46], &xid, 4); /* insert transaction id */ 00894 send_pkt(&net_test, dhcp_nack_no_endmarker, sizeof(dhcp_nack_no_endmarker)); 00895 00896 /* NAK should put us in another state for a while, no other way detecting it */ 00897 fail_unless(net_test.dhcp->state != DHCP_STATE_REQUESTING); 00898 00899 netif_remove(&net_test); 00900 } 00901 END_TEST 00902 00903 00904 /** Create the suite including all tests for this module */ 00905 Suite * 00906 dhcp_suite(void) 00907 { 00908 testfunc tests[] = { 00909 TESTFUNC(test_dhcp), 00910 TESTFUNC(test_dhcp_nak), 00911 TESTFUNC(test_dhcp_relayed), 00912 TESTFUNC(test_dhcp_nak_no_endmarker) 00913 }; 00914 return create_suite("DHCP", tests, sizeof(tests)/sizeof(testfunc), dhcp_setup, dhcp_teardown); 00915 }
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