Marco Zecchini
Rtos API example
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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 "lwip/prot/dhcp.h" 00006 #include "lwip/etharp.h" 00007 #include "netif/ethernet.h" 00008 00009 struct netif net_test; 00010 00011 static const u8_t broadcast[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; 00012 00013 static const u8_t magic_cookie[] = { 0x63, 0x82, 0x53, 0x63 }; 00014 00015 static u8_t dhcp_offer[] = { 00016 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* To unit */ 00017 0x00, 0x0F, 0xEE, 0x30, 0xAB, 0x22, /* From Remote host */ 00018 0x08, 0x00, /* Protocol: IP */ 00019 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x80, 0x11, 0x36, 0xcc, 0xc3, 0xaa, 0xbd, 0xab, 0xc3, 0xaa, 0xbd, 0xc8, /* IP header */ 00020 0x00, 0x43, 0x00, 0x44, 0x01, 0x34, 0x00, 0x00, /* UDP header */ 00021 00022 0x02, /* Type == Boot reply */ 00023 0x01, 0x06, /* Hw Ethernet, 6 bytes addrlen */ 00024 0x00, /* 0 hops */ 00025 0xAA, 0xAA, 0xAA, 0xAA, /* Transaction id, will be overwritten */ 00026 0x00, 0x00, /* 0 seconds elapsed */ 00027 0x00, 0x00, /* Flags (unicast) */ 00028 0x00, 0x00, 0x00, 0x00, /* Client ip */ 00029 0xc3, 0xaa, 0xbd, 0xc8, /* Your IP */ 00030 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server ip */ 00031 0x00, 0x00, 0x00, 0x00, /* relay agent */ 00032 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* MAC addr + padding */ 00033 00034 /* Empty server name and boot file name */ 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, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00045 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00046 0x00, 0x00, 0x00, 0x00, 00047 00048 0x63, 0x82, 0x53, 0x63, /* Magic cookie */ 00049 0x35, 0x01, 0x02, /* Message type: Offer */ 00050 0x36, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Server identifier (IP) */ 00051 0x33, 0x04, 0x00, 0x00, 0x00, 0x78, /* Lease time 2 minutes */ 00052 0x03, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Router IP */ 00053 0x01, 0x04, 0xff, 0xff, 0xff, 0x00, /* Subnet mask */ 00054 0xff, /* End option */ 00055 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00056 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Padding */ 00057 }; 00058 00059 static u8_t dhcp_ack[] = { 00060 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* To unit */ 00061 0x00, 0x0f, 0xEE, 0x30, 0xAB, 0x22, /* From remote host */ 00062 0x08, 0x00, /* Proto IP */ 00063 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x80, 0x11, 0x36, 0xcc, 0xc3, 0xaa, 0xbd, 0xab, 0xc3, 0xaa, 0xbd, 0xc8, /* IP header */ 00064 0x00, 0x43, 0x00, 0x44, 0x01, 0x34, 0x00, 0x00, /* UDP header */ 00065 0x02, /* Bootp reply */ 00066 0x01, 0x06, /* Hw type Eth, len 6 */ 00067 0x00, /* 0 hops */ 00068 0xAA, 0xAA, 0xAA, 0xAA, 00069 0x00, 0x00, /* 0 seconds elapsed */ 00070 0x00, 0x00, /* Flags (unicast) */ 00071 0x00, 0x00, 0x00, 0x00, /* Client IP */ 00072 0xc3, 0xaa, 0xbd, 0xc8, /* Your IP */ 00073 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server IP */ 00074 0x00, 0x00, 0x00, 0x00, /* Relay agent */ 00075 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Macaddr + padding */ 00076 00077 /* Empty server name and boot file name */ 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, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00088 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00089 0x00, 0x00, 0x00, 0x00, 00090 00091 0x63, 0x82, 0x53, 0x63, /* Magic cookie */ 00092 0x35, 0x01, 0x05, /* Dhcp message type ack */ 00093 0x36, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server identifier */ 00094 0x33, 0x04, 0x00, 0x00, 0x00, 0x78, /* Lease time 2 minutes */ 00095 0x03, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Router IP */ 00096 0x01, 0x04, 0xff, 0xff, 0xff, 0x00, /* Netmask */ 00097 0xff, /* End marker */ 00098 00099 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00100 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Padding */ 00101 }; 00102 00103 static const u8_t arpreply[] = { 00104 0x00, 0x23, 0xC1, 0xDE, 0xD0, 0x0D, /* dst mac */ 00105 0x00, 0x32, 0x44, 0x20, 0x01, 0x02, /* src mac */ 00106 0x08, 0x06, /* proto arp */ 00107 0x00, 0x01, /* hw eth */ 00108 0x08, 0x00, /* proto ip */ 00109 0x06, /* hw addr len 6 */ 00110 0x04, /* proto addr len 4 */ 00111 0x00, 0x02, /* arp reply */ 00112 0x00, 0x32, 0x44, 0x20, 0x01, 0x02, /* sender mac */ 00113 0xc3, 0xaa, 0xbd, 0xc8, /* sender ip */ 00114 0x00, 0x23, 0xC1, 0xDE, 0xD0, 0x0D, /* target mac */ 00115 0x00, 0x00, 0x00, 0x00, /* target ip */ 00116 }; 00117 00118 static int txpacket; 00119 static enum tcase { 00120 TEST_LWIP_DHCP, 00121 TEST_LWIP_DHCP_NAK, 00122 TEST_LWIP_DHCP_RELAY, 00123 TEST_LWIP_DHCP_NAK_NO_ENDMARKER, 00124 TEST_LWIP_DHCP_INVALID_OVERLOAD 00125 } tcase; 00126 00127 static int debug = 0; 00128 static void setdebug(int a) {debug = a;} 00129 00130 static int tick = 0; 00131 static void tick_lwip(void) 00132 { 00133 tick++; 00134 if (tick % 5 == 0) { 00135 dhcp_fine_tmr(); 00136 } 00137 if (tick % 600 == 0) { 00138 dhcp_coarse_tmr(); 00139 } 00140 } 00141 00142 static void send_pkt(struct netif *netif, const u8_t *data, size_t len) 00143 { 00144 struct pbuf *p, *q; 00145 LWIP_ASSERT("pkt too big", len <= 0xFFFF); 00146 p = pbuf_alloc(PBUF_RAW, (u16_t)len, PBUF_POOL); 00147 00148 if (debug) { 00149 /* Dump data */ 00150 u32_t i; 00151 printf("RX data (len %d)", p->tot_len); 00152 for (i = 0; i < len; i++) { 00153 printf(" %02X", data[i]); 00154 } 00155 printf("\n"); 00156 } 00157 00158 fail_unless(p != NULL); 00159 for(q = p; q != NULL; q = q->next) { 00160 memcpy(q->payload, data, q->len); 00161 data += q->len; 00162 } 00163 netif->input(p, netif); 00164 } 00165 00166 static err_t lwip_tx_func(struct netif *netif, struct pbuf *p); 00167 00168 static err_t testif_init(struct netif *netif) 00169 { 00170 netif->name[0] = 'c'; 00171 netif->name[1] = 'h'; 00172 netif->output = etharp_output; 00173 netif->linkoutput = lwip_tx_func; 00174 netif->mtu = 1500; 00175 netif->hwaddr_len = 6; 00176 netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP; 00177 00178 netif->hwaddr[0] = 0x00; 00179 netif->hwaddr[1] = 0x23; 00180 netif->hwaddr[2] = 0xC1; 00181 netif->hwaddr[3] = 0xDE; 00182 netif->hwaddr[4] = 0xD0; 00183 netif->hwaddr[5] = 0x0D; 00184 00185 return ERR_OK; 00186 } 00187 00188 static void dhcp_setup(void) 00189 { 00190 txpacket = 0; 00191 } 00192 00193 static void dhcp_teardown(void) 00194 { 00195 } 00196 00197 static void check_pkt(struct pbuf *p, u32_t pos, const u8_t *mem, u32_t len) 00198 { 00199 u8_t *data; 00200 00201 fail_if((pos + len) > p->tot_len); 00202 while (pos > p->len && p->next) { 00203 pos -= p->len; 00204 p = p->next; 00205 } 00206 fail_if(p == NULL); 00207 fail_unless(pos + len <= p->len); /* All data we seek within same pbuf */ 00208 00209 data = (u8_t*)p->payload; 00210 fail_if(memcmp(&data[pos], mem, len), "data at pos %d, len %d in packet %d did not match", pos, len, txpacket); 00211 } 00212 00213 static void check_pkt_fuzzy(struct pbuf *p, u32_t startpos, const u8_t *mem, u32_t len) 00214 { 00215 int found; 00216 u32_t i; 00217 u8_t *data; 00218 00219 fail_if((startpos + len) > p->tot_len); 00220 while (startpos > p->len && p->next) { 00221 startpos -= p->len; 00222 p = p->next; 00223 } 00224 fail_if(p == NULL); 00225 fail_unless(startpos + len <= p->len); /* All data we seek within same pbuf */ 00226 00227 found = 0; 00228 data = (u8_t*)p->payload; 00229 for (i = startpos; i <= (p->len - len); i++) { 00230 if (memcmp(&data[i], mem, len) == 0) { 00231 found = 1; 00232 break; 00233 } 00234 } 00235 fail_unless(found); 00236 } 00237 00238 static err_t lwip_tx_func(struct netif *netif, struct pbuf *p) 00239 { 00240 fail_unless(netif == &net_test); 00241 txpacket++; 00242 00243 if (debug) { 00244 struct pbuf *pp = p; 00245 /* Dump data */ 00246 printf("TX data (pkt %d, len %d, tick %d)", txpacket, p->tot_len, tick); 00247 do { 00248 int i; 00249 for (i = 0; i < pp->len; i++) { 00250 printf(" %02X", ((u8_t *) pp->payload)[i]); 00251 } 00252 if (pp->next) { 00253 pp = pp->next; 00254 } 00255 } while (pp->next); 00256 printf("\n"); 00257 } 00258 00259 switch (tcase) { 00260 case TEST_LWIP_DHCP: 00261 switch (txpacket) { 00262 case 1: 00263 case 2: 00264 { 00265 const u8_t ipproto[] = { 0x08, 0x00 }; 00266 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00267 const u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00268 00269 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00270 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00271 00272 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00273 00274 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00275 00276 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00277 00278 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00279 00280 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00281 00282 /* Check dchp message type, can be at different positions */ 00283 if (txpacket == 1) { 00284 u8_t dhcp_discover_opt[] = { 0x35, 0x01, 0x01 }; 00285 check_pkt_fuzzy(p, 282, dhcp_discover_opt, sizeof(dhcp_discover_opt)); 00286 } else if (txpacket == 2) { 00287 u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 }; 00288 u8_t requested_ipaddr[] = { 0x32, 0x04, 0xc3, 0xaa, 0xbd, 0xc8 }; /* Ask for offered IP */ 00289 00290 check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt)); 00291 check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr)); 00292 } 00293 break; 00294 } 00295 case 3: 00296 case 4: 00297 case 5: 00298 { 00299 const u8_t arpproto[] = { 0x08, 0x06 }; 00300 00301 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00302 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00303 00304 check_pkt(p, 12, arpproto, sizeof(arpproto)); /* eth level proto: ip */ 00305 break; 00306 } 00307 default: 00308 fail(); 00309 break; 00310 } 00311 break; 00312 00313 case TEST_LWIP_DHCP_NAK: 00314 { 00315 const u8_t ipproto[] = { 0x08, 0x00 }; 00316 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00317 const u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00318 const u8_t dhcp_nak_opt[] = { 0x35, 0x01, 0x04 }; 00319 const u8_t requested_ipaddr[] = { 0x32, 0x04, 0xc3, 0xaa, 0xbd, 0xc8 }; /* offered IP */ 00320 00321 fail_unless(txpacket == 4); 00322 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00323 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00324 00325 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00326 00327 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00328 00329 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00330 00331 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00332 00333 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00334 00335 check_pkt_fuzzy(p, 282, dhcp_nak_opt, sizeof(dhcp_nak_opt)); /* NAK the ack */ 00336 00337 check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr)); 00338 break; 00339 } 00340 00341 case TEST_LWIP_DHCP_RELAY: 00342 switch (txpacket) { 00343 case 1: 00344 case 2: 00345 { 00346 const u8_t ipproto[] = { 0x08, 0x00 }; 00347 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00348 const u8_t ipaddrs[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00349 00350 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00351 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00352 00353 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00354 00355 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00356 00357 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00358 00359 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00360 00361 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00362 00363 /* Check dchp message type, can be at different positions */ 00364 if (txpacket == 1) { 00365 u8_t dhcp_discover_opt[] = { 0x35, 0x01, 0x01 }; 00366 check_pkt_fuzzy(p, 282, dhcp_discover_opt, sizeof(dhcp_discover_opt)); 00367 } else if (txpacket == 2) { 00368 u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 }; 00369 u8_t requested_ipaddr[] = { 0x32, 0x04, 0x4f, 0x8a, 0x33, 0x05 }; /* Ask for offered IP */ 00370 00371 check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt)); 00372 check_pkt_fuzzy(p, 282, requested_ipaddr, sizeof(requested_ipaddr)); 00373 } 00374 break; 00375 } 00376 case 3: 00377 case 4: 00378 case 5: 00379 case 6: 00380 { 00381 const u8_t arpproto[] = { 0x08, 0x06 }; 00382 00383 check_pkt(p, 0, broadcast, 6); /* eth level dest: broadcast */ 00384 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00385 00386 check_pkt(p, 12, arpproto, sizeof(arpproto)); /* eth level proto: ip */ 00387 break; 00388 } 00389 case 7: 00390 { 00391 const u8_t fake_arp[6] = { 0x12, 0x34, 0x56, 0x78, 0x9a, 0xab }; 00392 const u8_t ipproto[] = { 0x08, 0x00 }; 00393 const u8_t bootp_start[] = { 0x01, 0x01, 0x06, 0x00}; /* bootp request, eth, hwaddr len 6, 0 hops */ 00394 const u8_t ipaddrs[] = { 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; 00395 const u8_t dhcp_request_opt[] = { 0x35, 0x01, 0x03 }; 00396 00397 check_pkt(p, 0, fake_arp, 6); /* eth level dest: broadcast */ 00398 check_pkt(p, 6, netif->hwaddr, 6); /* eth level src: unit mac */ 00399 00400 check_pkt(p, 12, ipproto, sizeof(ipproto)); /* eth level proto: ip */ 00401 00402 check_pkt(p, 42, bootp_start, sizeof(bootp_start)); 00403 00404 check_pkt(p, 53, ipaddrs, sizeof(ipaddrs)); 00405 00406 check_pkt(p, 70, netif->hwaddr, 6); /* mac addr inside bootp */ 00407 00408 check_pkt(p, 278, magic_cookie, sizeof(magic_cookie)); 00409 00410 /* Check dchp message type, can be at different positions */ 00411 check_pkt_fuzzy(p, 282, dhcp_request_opt, sizeof(dhcp_request_opt)); 00412 break; 00413 } 00414 default: 00415 fail(); 00416 break; 00417 } 00418 break; 00419 00420 default: 00421 break; 00422 } 00423 00424 return ERR_OK; 00425 } 00426 00427 /* 00428 * Test basic happy flow DHCP session. 00429 * Validate that xid is checked. 00430 */ 00431 START_TEST(test_dhcp) 00432 { 00433 ip4_addr_t addr; 00434 ip4_addr_t netmask; 00435 ip4_addr_t gw; 00436 int i; 00437 u32_t xid; 00438 LWIP_UNUSED_ARG(_i); 00439 00440 tcase = TEST_LWIP_DHCP; 00441 setdebug(0); 00442 00443 IP4_ADDR(&addr, 0, 0, 0, 0); 00444 IP4_ADDR(&netmask, 0, 0, 0, 0); 00445 IP4_ADDR(&gw, 0, 0, 0, 0); 00446 00447 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00448 netif_set_up(&net_test); 00449 00450 dhcp_start(&net_test); 00451 00452 fail_unless(txpacket == 1); /* DHCP discover sent */ 00453 xid = netif_dhcp_data(&net_test)->xid; /* Write bad xid, not using htonl! */ 00454 memcpy(&dhcp_offer[46], &xid, 4); 00455 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00456 00457 /* IP addresses should be zero */ 00458 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00459 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00460 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00461 00462 fail_unless(txpacket == 1, "TX %d packets, expected 1", txpacket); /* Nothing more sent */ 00463 xid = htonl(netif_dhcp_data(&net_test)->xid); 00464 memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */ 00465 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00466 00467 fail_unless(txpacket == 2, "TX %d packets, expected 2", txpacket); /* DHCP request sent */ 00468 xid = netif_dhcp_data(&net_test)->xid; /* Write bad xid, not using htonl! */ 00469 memcpy(&dhcp_ack[46], &xid, 4); 00470 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00471 00472 fail_unless(txpacket == 2, "TX %d packets, still expected 2", txpacket); /* No more sent */ 00473 xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */ 00474 memcpy(&dhcp_ack[46], &xid, 4); /* insert transaction id */ 00475 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00476 00477 for (i = 0; i < 20; i++) { 00478 tick_lwip(); 00479 } 00480 fail_unless(txpacket == 5, "TX %d packets, expected 5", txpacket); /* ARP requests sent */ 00481 00482 /* Interface up */ 00483 fail_unless(netif_is_up(&net_test)); 00484 00485 /* Now it should have taken the IP */ 00486 IP4_ADDR(&addr, 195, 170, 189, 200); 00487 IP4_ADDR(&netmask, 255, 255, 255, 0); 00488 IP4_ADDR(&gw, 195, 170, 189, 171); 00489 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00490 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00491 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00492 00493 netif_remove(&net_test); 00494 } 00495 END_TEST 00496 00497 /* 00498 * Test that IP address is not taken and NAK is sent if someone 00499 * replies to ARP requests for the offered address. 00500 */ 00501 START_TEST(test_dhcp_nak) 00502 { 00503 ip4_addr_t addr; 00504 ip4_addr_t netmask; 00505 ip4_addr_t gw; 00506 u32_t xid; 00507 LWIP_UNUSED_ARG(_i); 00508 00509 tcase = TEST_LWIP_DHCP; 00510 setdebug(0); 00511 00512 IP4_ADDR(&addr, 0, 0, 0, 0); 00513 IP4_ADDR(&netmask, 0, 0, 0, 0); 00514 IP4_ADDR(&gw, 0, 0, 0, 0); 00515 00516 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00517 netif_set_up(&net_test); 00518 00519 dhcp_start(&net_test); 00520 00521 fail_unless(txpacket == 1); /* DHCP discover sent */ 00522 xid = netif_dhcp_data(&net_test)->xid; /* Write bad xid, not using htonl! */ 00523 memcpy(&dhcp_offer[46], &xid, 4); 00524 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00525 00526 /* IP addresses should be zero */ 00527 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00528 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00529 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00530 00531 fail_unless(txpacket == 1); /* Nothing more sent */ 00532 xid = htonl(netif_dhcp_data(&net_test)->xid); 00533 memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */ 00534 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00535 00536 fail_unless(txpacket == 2); /* DHCP request sent */ 00537 xid = netif_dhcp_data(&net_test)->xid; /* Write bad xid, not using htonl! */ 00538 memcpy(&dhcp_ack[46], &xid, 4); 00539 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00540 00541 fail_unless(txpacket == 2); /* No more sent */ 00542 xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */ 00543 memcpy(&dhcp_ack[46], &xid, 4); /* insert transaction id */ 00544 send_pkt(&net_test, dhcp_ack, sizeof(dhcp_ack)); 00545 00546 fail_unless(txpacket == 3); /* ARP request sent */ 00547 00548 tcase = TEST_LWIP_DHCP_NAK; /* Switch testcase */ 00549 00550 /* Send arp reply, mark offered IP as taken */ 00551 send_pkt(&net_test, arpreply, sizeof(arpreply)); 00552 00553 fail_unless(txpacket == 4); /* DHCP nak sent */ 00554 00555 netif_remove(&net_test); 00556 } 00557 END_TEST 00558 00559 /* 00560 * Test case based on captured data where 00561 * replies are sent from a different IP than the 00562 * one the client unicasted to. 00563 */ 00564 START_TEST(test_dhcp_relayed) 00565 { 00566 u8_t relay_offer[] = { 00567 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 00568 0x00, 0x22, 0x93, 0x5a, 0xf7, 0x60, 00569 0x08, 0x00, 0x45, 0x00, 00570 0x01, 0x38, 0xfd, 0x53, 0x00, 0x00, 0x40, 0x11, 00571 0x78, 0x46, 0x4f, 0x8a, 0x32, 0x02, 0x4f, 0x8a, 00572 0x33, 0x05, 0x00, 0x43, 0x00, 0x44, 0x01, 0x24, 00573 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x51, 0x35, 00574 0xb6, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00575 0x00, 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 00576 0x00, 0x00, 0x0a, 0xb5, 0x04, 0x01, 0x00, 0x23, 00577 0xc1, 0xde, 0xd0, 0x0d, 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, 0x00, 0x00, 00600 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00601 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00602 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82, 00603 0x53, 0x63, 0x01, 0x04, 0xff, 0xff, 0xfe, 0x00, 00604 0x03, 0x04, 0x4f, 0x8a, 0x32, 0x01, 0x06, 0x08, 00605 0x4f, 0x8a, 0x00, 0xb4, 0x55, 0x08, 0x1f, 0xd1, 00606 0x1c, 0x04, 0x4f, 0x8a, 0x33, 0xff, 0x33, 0x04, 00607 0x00, 0x00, 0x54, 0x49, 0x35, 0x01, 0x02, 0x36, 00608 0x04, 0x0a, 0xb5, 0x04, 0x01, 0xff 00609 }; 00610 00611 u8_t relay_ack1[] = { 00612 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x22, 00613 0x93, 0x5a, 0xf7, 0x60, 0x08, 0x00, 0x45, 0x00, 00614 0x01, 0x38, 0xfd, 0x55, 0x00, 0x00, 0x40, 0x11, 00615 0x78, 0x44, 0x4f, 0x8a, 0x32, 0x02, 0x4f, 0x8a, 00616 0x33, 0x05, 0x00, 0x43, 0x00, 0x44, 0x01, 0x24, 00617 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x51, 0x35, 00618 0xb6, 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00619 0x00, 0x00, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 00620 0x00, 0x00, 0x0a, 0xb5, 0x04, 0x01, 0x00, 0x23, 00621 0xc1, 0xde, 0xd0, 0x0d, 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, 0x00, 0x00, 00644 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00645 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00646 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82, 00647 0x53, 0x63, 0x01, 0x04, 0xff, 0xff, 0xfe, 0x00, 00648 0x03, 0x04, 0x4f, 0x8a, 0x32, 0x01, 0x06, 0x08, 00649 0x4f, 0x8a, 0x00, 0xb4, 0x55, 0x08, 0x1f, 0xd1, 00650 0x1c, 0x04, 0x4f, 0x8a, 0x33, 0xff, 0x33, 0x04, 00651 0x00, 0x00, 0x54, 0x49, 0x35, 0x01, 0x05, 0x36, 00652 0x04, 0x0a, 0xb5, 0x04, 0x01, 0xff 00653 }; 00654 00655 u8_t relay_ack2[] = { 00656 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 00657 0x00, 0x22, 0x93, 0x5a, 0xf7, 0x60, 00658 0x08, 0x00, 0x45, 0x00, 00659 0x01, 0x38, 0xfa, 0x18, 0x00, 0x00, 0x40, 0x11, 00660 0x7b, 0x81, 0x4f, 0x8a, 0x32, 0x02, 0x4f, 0x8a, 00661 0x33, 0x05, 0x00, 0x43, 0x00, 0x44, 0x01, 0x24, 00662 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x49, 0x8b, 00663 0x6e, 0xab, 0x00, 0x00, 0x00, 0x00, 0x4f, 0x8a, 00664 0x33, 0x05, 0x4f, 0x8a, 0x33, 0x05, 0x00, 0x00, 00665 0x00, 0x00, 0x0a, 0xb5, 0x04, 0x01, 0x00, 0x23, 00666 0xc1, 0xde, 0xd0, 0x0d, 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, 0x00, 0x00, 00689 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00690 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00691 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82, 00692 0x53, 0x63, 0x01, 0x04, 0xff, 0xff, 0xfe, 0x00, 00693 0x03, 0x04, 0x4f, 0x8a, 0x32, 0x01, 0x06, 0x08, 00694 0x4f, 0x8a, 0x00, 0xb4, 0x55, 0x08, 0x1f, 0xd1, 00695 0x1c, 0x04, 0x4f, 0x8a, 0x33, 0xff, 0x33, 0x04, 00696 0x00, 0x00, 0x54, 0x60, 0x35, 0x01, 0x05, 0x36, 00697 0x04, 0x0a, 0xb5, 0x04, 0x01, 0xff }; 00698 00699 const u8_t arp_resp[] = { 00700 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* DEST */ 00701 0x00, 0x22, 0x93, 0x5a, 0xf7, 0x60, /* SRC */ 00702 0x08, 0x06, /* Type: ARP */ 00703 0x00, 0x01, /* HW: Ethernet */ 00704 0x08, 0x00, /* PROTO: IP */ 00705 0x06, /* HW size */ 00706 0x04, /* PROTO size */ 00707 0x00, 0x02, /* OPCODE: Reply */ 00708 00709 0x12, 0x34, 0x56, 0x78, 0x9a, 0xab, /* Target MAC */ 00710 0x4f, 0x8a, 0x32, 0x01, /* Target IP */ 00711 00712 0x00, 0x23, 0xc1, 0x00, 0x06, 0x50, /* src mac */ 00713 0x4f, 0x8a, 0x33, 0x05, /* src ip */ 00714 00715 /* Padding follows.. */ 00716 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00717 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00718 0x00, 0x00, 0x00, 0x00 }; 00719 00720 ip4_addr_t addr; 00721 ip4_addr_t netmask; 00722 ip4_addr_t gw; 00723 int i; 00724 u32_t xid; 00725 LWIP_UNUSED_ARG(_i); 00726 00727 tcase = TEST_LWIP_DHCP_RELAY; 00728 setdebug(0); 00729 00730 IP4_ADDR(&addr, 0, 0, 0, 0); 00731 IP4_ADDR(&netmask, 0, 0, 0, 0); 00732 IP4_ADDR(&gw, 0, 0, 0, 0); 00733 00734 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00735 netif_set_up(&net_test); 00736 00737 dhcp_start(&net_test); 00738 00739 fail_unless(txpacket == 1); /* DHCP discover sent */ 00740 00741 /* IP addresses should be zero */ 00742 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00743 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00744 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00745 00746 fail_unless(txpacket == 1); /* Nothing more sent */ 00747 xid = htonl(netif_dhcp_data(&net_test)->xid); 00748 memcpy(&relay_offer[46], &xid, 4); /* insert correct transaction id */ 00749 send_pkt(&net_test, relay_offer, sizeof(relay_offer)); 00750 00751 /* request sent? */ 00752 fail_unless(txpacket == 2, "txpkt = %d, should be 2", txpacket); 00753 xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */ 00754 memcpy(&relay_ack1[46], &xid, 4); /* insert transaction id */ 00755 send_pkt(&net_test, relay_ack1, sizeof(relay_ack1)); 00756 00757 for (i = 0; i < 25; i++) { 00758 tick_lwip(); 00759 } 00760 fail_unless(txpacket == 5, "txpkt should be 5, is %d", txpacket); /* ARP requests sent */ 00761 00762 /* Interface up */ 00763 fail_unless(netif_is_up(&net_test)); 00764 00765 /* Now it should have taken the IP */ 00766 IP4_ADDR(&addr, 79, 138, 51, 5); 00767 IP4_ADDR(&netmask, 255, 255, 254, 0); 00768 IP4_ADDR(&gw, 79, 138, 50, 1); 00769 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00770 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00771 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00772 00773 fail_unless(txpacket == 5, "txpacket = %d", txpacket); 00774 00775 for (i = 0; i < 108000 - 25; i++) { 00776 tick_lwip(); 00777 } 00778 00779 fail_unless(netif_is_up(&net_test)); 00780 fail_unless(txpacket == 6, "txpacket = %d", txpacket); 00781 00782 /* We need to send arp response here.. */ 00783 00784 send_pkt(&net_test, arp_resp, sizeof(arp_resp)); 00785 00786 fail_unless(txpacket == 7, "txpacket = %d", txpacket); 00787 fail_unless(netif_is_up(&net_test)); 00788 00789 xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */ 00790 memcpy(&relay_ack2[46], &xid, 4); /* insert transaction id */ 00791 send_pkt(&net_test, relay_ack2, sizeof(relay_ack2)); 00792 00793 for (i = 0; i < 100000; i++) { 00794 tick_lwip(); 00795 } 00796 00797 fail_unless(txpacket == 7, "txpacket = %d", txpacket); 00798 00799 netif_remove(&net_test); 00800 00801 } 00802 END_TEST 00803 00804 START_TEST(test_dhcp_nak_no_endmarker) 00805 { 00806 ip4_addr_t addr; 00807 ip4_addr_t netmask; 00808 ip4_addr_t gw; 00809 00810 u8_t dhcp_nack_no_endmarker[] = { 00811 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x54, 0x75, 00812 0xd0, 0x26, 0xd0, 0x0d, 0x08, 0x00, 0x45, 0x00, 00813 0x01, 0x15, 0x38, 0x86, 0x00, 0x00, 0xff, 0x11, 00814 0xc0, 0xa8, 0xc0, 0xa8, 0x01, 0x01, 0xff, 0xff, 00815 0xff, 0xff, 0x00, 0x43, 0x00, 0x44, 0x01, 0x01, 00816 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, 0x7a, 0xcb, 00817 0xba, 0xf2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00818 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00819 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x23, 00820 0xc1, 0xde, 0xd0, 0x0d, 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, 0x00, 0x00, 00843 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00844 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00845 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x82, 00846 0x53, 0x63, 0x35, 0x01, 0x06, 0x36, 0x04, 0xc0, 00847 0xa8, 0x01, 0x01, 0x31, 0xef, 0xad, 0x72, 0x31, 00848 0x43, 0x4e, 0x44, 0x30, 0x32, 0x35, 0x30, 0x43, 00849 0x52, 0x47, 0x44, 0x38, 0x35, 0x36, 0x3c, 0x08, 00850 0x4d, 0x53, 0x46, 0x54, 0x20, 0x35, 0x2e, 0x30, 00851 0x37, 0x0d, 0x01, 0x0f, 0x03, 0x06, 0x2c, 0x2e, 00852 0x2f, 0x1f, 0x21, 0x79, 0xf9, 0x2b, 0xfc, 0xff, 00853 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe2, 0x71, 00854 0xf3, 0x5b, 0xe2, 0x71, 0x2e, 0x01, 0x08, 0x03, 00855 0x04, 0xc0, 0xa8, 0x01, 0x01, 0xff, 0xeb, 0x1e, 00856 0x44, 0xec, 0xeb, 0x1e, 0x30, 0x37, 0x0c, 0x01, 00857 0x0f, 0x03, 0x06, 0x2c, 0x2e, 0x2f, 0x1f, 0x21, 00858 0x79, 0xf9, 0x2b, 0xff, 0x25, 0xc0, 0x09, 0xd6, 00859 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00860 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 00861 }; 00862 u32_t xid; 00863 LWIP_UNUSED_ARG(_i); 00864 00865 tcase = TEST_LWIP_DHCP_NAK_NO_ENDMARKER; 00866 setdebug(0); 00867 00868 IP4_ADDR(&addr, 0, 0, 0, 0); 00869 IP4_ADDR(&netmask, 0, 0, 0, 0); 00870 IP4_ADDR(&gw, 0, 0, 0, 0); 00871 00872 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00873 netif_set_up(&net_test); 00874 00875 dhcp_start(&net_test); 00876 00877 fail_unless(txpacket == 1); /* DHCP discover sent */ 00878 xid = netif_dhcp_data(&net_test)->xid; /* Write bad xid, not using htonl! */ 00879 memcpy(&dhcp_offer[46], &xid, 4); 00880 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00881 00882 /* IP addresses should be zero */ 00883 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00884 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00885 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00886 00887 fail_unless(txpacket == 1); /* Nothing more sent */ 00888 xid = htonl(netif_dhcp_data(&net_test)->xid); 00889 memcpy(&dhcp_offer[46], &xid, 4); /* insert correct transaction id */ 00890 send_pkt(&net_test, dhcp_offer, sizeof(dhcp_offer)); 00891 00892 fail_unless(netif_dhcp_data(&net_test)->state == DHCP_STATE_REQUESTING); 00893 00894 fail_unless(txpacket == 2); /* No more sent */ 00895 xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */ 00896 memcpy(&dhcp_nack_no_endmarker[46], &xid, 4); /* insert transaction id */ 00897 send_pkt(&net_test, dhcp_nack_no_endmarker, sizeof(dhcp_nack_no_endmarker)); 00898 00899 /* NAK should put us in another state for a while, no other way detecting it */ 00900 fail_unless(netif_dhcp_data(&net_test)->state != DHCP_STATE_REQUESTING); 00901 00902 netif_remove(&net_test); 00903 } 00904 END_TEST 00905 00906 START_TEST(test_dhcp_invalid_overload) 00907 { 00908 u8_t dhcp_offer_invalid_overload[] = { 00909 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, /* To unit */ 00910 0x00, 0x0F, 0xEE, 0x30, 0xAB, 0x22, /* From Remote host */ 00911 0x08, 0x00, /* Protocol: IP */ 00912 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, 0x80, 0x11, 0x36, 0xcc, 0xc3, 0xaa, 0xbd, 0xab, 0xc3, 0xaa, 0xbd, 0xc8, /* IP header */ 00913 0x00, 0x43, 0x00, 0x44, 0x01, 0x34, 0x00, 0x00, /* UDP header */ 00914 00915 0x02, /* Type == Boot reply */ 00916 0x01, 0x06, /* Hw Ethernet, 6 bytes addrlen */ 00917 0x00, /* 0 hops */ 00918 0xAA, 0xAA, 0xAA, 0xAA, /* Transaction id, will be overwritten */ 00919 0x00, 0x00, /* 0 seconds elapsed */ 00920 0x00, 0x00, /* Flags (unicast) */ 00921 0x00, 0x00, 0x00, 0x00, /* Client ip */ 00922 0xc3, 0xaa, 0xbd, 0xc8, /* Your IP */ 00923 0xc3, 0xaa, 0xbd, 0xab, /* DHCP server ip */ 00924 0x00, 0x00, 0x00, 0x00, /* relay agent */ 00925 0x00, 0x23, 0xc1, 0xde, 0xd0, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* MAC addr + padding */ 00926 00927 /* Empty server name */ 00928 0x34, 0x01, 0x02, 0xff, /* Overload: SNAME + END */ 00929 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00930 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00931 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00932 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00933 /* Empty boot file name */ 00934 0x34, 0x01, 0x01, 0xff, /* Overload FILE + END */ 00935 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00936 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00937 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00938 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00939 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00940 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00941 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00942 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00943 00944 0x63, 0x82, 0x53, 0x63, /* Magic cookie */ 00945 0x35, 0x01, 0x02, /* Message type: Offer */ 00946 0x36, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Server identifier (IP) */ 00947 0x33, 0x04, 0x00, 0x00, 0x00, 0x78, /* Lease time 2 minutes */ 00948 0x03, 0x04, 0xc3, 0xaa, 0xbd, 0xab, /* Router IP */ 00949 0x01, 0x04, 0xff, 0xff, 0xff, 0x00, /* Subnet mask */ 00950 0x34, 0x01, 0x03, /* Overload: FILE + SNAME */ 00951 0xff, /* End option */ 00952 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 00953 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* Padding */ 00954 }; 00955 ip4_addr_t addr; 00956 ip4_addr_t netmask; 00957 ip4_addr_t gw; 00958 u32_t xid; 00959 LWIP_UNUSED_ARG(_i); 00960 00961 tcase = TEST_LWIP_DHCP_INVALID_OVERLOAD; 00962 setdebug(0); 00963 00964 IP4_ADDR(&addr, 0, 0, 0, 0); 00965 IP4_ADDR(&netmask, 0, 0, 0, 0); 00966 IP4_ADDR(&gw, 0, 0, 0, 0); 00967 00968 netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input); 00969 netif_set_up(&net_test); 00970 00971 dhcp_start(&net_test); 00972 00973 fail_unless(txpacket == 1); /* DHCP discover sent */ 00974 xid = htonl(netif_dhcp_data(&net_test)->xid); 00975 memcpy(&dhcp_offer_invalid_overload[46], &xid, 4); /* insert correct transaction id */ 00976 dhcp_offer_invalid_overload[311] = 3; 00977 send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer_invalid_overload)); 00978 /* IP addresses should be zero */ 00979 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00980 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00981 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00982 fail_unless(txpacket == 1); /* Nothing more sent */ 00983 00984 dhcp_offer_invalid_overload[311] = 2; 00985 send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer_invalid_overload)); 00986 /* IP addresses should be zero */ 00987 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00988 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00989 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00990 fail_unless(txpacket == 1); /* Nothing more sent */ 00991 00992 dhcp_offer_invalid_overload[311] = 1; 00993 send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer_invalid_overload)); 00994 /* IP addresses should be zero */ 00995 fail_if(memcmp(&addr, &net_test.ip_addr, sizeof(ip4_addr_t))); 00996 fail_if(memcmp(&netmask, &net_test.netmask, sizeof(ip4_addr_t))); 00997 fail_if(memcmp(&gw, &net_test.gw, sizeof(ip4_addr_t))); 00998 fail_unless(txpacket == 1); /* Nothing more sent */ 00999 01000 dhcp_offer_invalid_overload[311] = 0; 01001 send_pkt(&net_test, dhcp_offer_invalid_overload, sizeof(dhcp_offer)); 01002 01003 fail_unless(netif_dhcp_data(&net_test)->state == DHCP_STATE_REQUESTING); 01004 01005 fail_unless(txpacket == 2); /* No more sent */ 01006 xid = htonl(netif_dhcp_data(&net_test)->xid); /* xid updated */ 01007 01008 netif_remove(&net_test); 01009 } 01010 END_TEST 01011 01012 /** Create the suite including all tests for this module */ 01013 Suite * 01014 dhcp_suite(void) 01015 { 01016 testfunc tests[] = { 01017 TESTFUNC(test_dhcp), 01018 TESTFUNC(test_dhcp_nak), 01019 TESTFUNC(test_dhcp_relayed), 01020 TESTFUNC(test_dhcp_nak_no_endmarker), 01021 TESTFUNC(test_dhcp_invalid_overload) 01022 }; 01023 return create_suite("DHCP", tests, sizeof(tests)/sizeof(testfunc), dhcp_setup, dhcp_teardown); 01024 }
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